Figure 947 - The head and neck of a human embryo thirty-two days old, seen from the ventral surface. The floor of the mouth and pharynx have been removed.
Figure 948 - Lung buds from a human embryo of about four weeks, showing commencing lobulations.
Figure 949 - Lungs of a human embryo more advanced in development.
Figure 950 - The cartilages of the larynx. Posterior view.
Figure 951 - The ligaments of the larynx. Antero-lateral view.
Figure 952 - Ligaments of the larynx. Posterior view.
Figure 953 - Sagittal section of the larynx and upper part of the trachea.
Figure 954 - Coronal section of larynx and upper part of trachea.
Figure 955 - The entrance to the larynx, viewed from behind.
Figure 956 - Laryngoscopic view of interior of larynx.
Figure 957 - Side view of the larynx, showing muscular attachments.
Figure 958 - Muscles of larynx. Posterior view.
Figure 959 - Muscles of larynx. Side view. Right lamina of thyroid cartilage removed.
Figure 960 - Muscles of the larynx, seen from above.
Figure 961 - Front view of cartilages of larynx, trachea, and bronchi.
Figure 962 - Bronchi and bronchioles. The lungs have been widely separated and tissue cut away to expose the air-tubes.
Figure 963 - Transverse section of the trachea, just above its bifurcation, with a bird’s-eye view of the interior.
Figure 964 - Transverse section of trachea.
Figure 965 - Front view of thorax, showing the relations of the pleuræ and lungs to the chest wall. Pleura in blue; lungs in purple.
Figure 966 - Lateral view of thorax, showing the relations of the pleuræ and lungs to the chest wall. Pleura in blue; lungs in purple.
Figure 967 - Transverse section through the upper margin of the second thoracic vertebra.
Figure 968 - A transverse section of the thorax, showing the contents of the middle and the posterior mediastinum. The pleural and pericardial cavities are exaggerated since normally there is no space between parietal and visceral pleura and between pericardium and heart.
Figure 969 - The middle and posterior mediastina. Left side.
Figure 970 - Front view of heart and lungs.
Figure 971 - Pulmonary vessels, seen in a dorsal view of the heart and lungs. The lungs have been pulled away from the median line, and a part of the right lung has been cut away to display the air-ducts and bloodvessels.
Figure 972 - Mediastinal surface of right lung.
Figure 973 - Mediastinal surface of left lung.
Figure 974 - Part of a secondary lobule from the depth of a human lung, showing parts of several primary lobules. 1, bronchiole; 2, respiratory bronchiole; 3, alveolar duct; 4, atria; 5, alveolar sac; 6, alveolus or air cell: m, smooth muscle; a, branch pulmonary artery; v, branch pulmonary vein; s, septum between secondary lobules. Camera drawing of one 50 μ section.
Figure 975 - Schematic longitudinal section of a primary lobule of the lung ; r. b., respiratory bronchiole; al. d., alveolar duct; at., atria; a. s., alveolar sac; a, alveolus or air cell; p. a.: pulmonary artery: p. v., pulmonary vein; l., lymphatic; l. n., lymph node.
Figure 976 - Section of lung of pig embryo, 13 cm. long, showing the glandular character of the developing alveoli Interstitial connective tissue. b. A bronchial tube. c. An Alveolus. l. lymphatic clefts. q. Pleura.
Figure 977 - Human embryo about fifteen days old. Brain and heart represented from right side. Digestive tube and yolk sac in median section.
Figure 978 - Head end of human embryo of about thirty to thirty-one days.
Figure 979 - Floor of pharynx of human embryo about twenty-six days old.
Figure 980 - Floor of pharynx of human embryo of about the end of the fourth week.
Figure 981 - Floor of pharynx of human embryo about thirty days old.
Figure 982 - Sketches in profile of two stages in the development of the human digestive tube. A B
Figure 983 - Front view of two successive stages in the development of the digestive tube.
Figure 984 - The primitive mesentery of a six weeks’ human embryo, half schematic.
Figure 985 - Abdominal part of digestive tube and its attachment to the primitive or common mesentery. Human embryo of six weeks.
Figure 986 - Reconstruction of a human embryo of 17 mm.
Figure 987 - Diagrams to illustrate two stages in the development of the digestive tube and its mesentery. The arrow indicates the entrance to the bursa omentalis.
Figure 988 - Final disposition of the intestines and their vascular relations. Aorta. H. Hepatic artery. M, Col. Branches of superior mesenteric artery. m, m’. Branches of inferior mesenteric artery. S. Splenic artery.
Figure 989 - Schematic figure of the bursa omentalis, etc. Human embryo of eight weeks.
Figure 990 - Diagrams to illustrate the development of the greater omentum and transverse mesocolon.
Figure 991 - Tail end of human embryo from fifteen to eighteen days old.
Figure 992 - Cloaca of human embryo from twenty-five to twenty-seven days old.
Figure 993 - Tail end of human embryo, from eight and a half to nine weeks old.
Figure 994 - Sagittal section of nose mouth, pharynx, and larynx.
Figure 995 - Side view of the teeth and jaws.
Figure 996 - Permanent teeth of upper dental arch, seen from below.
Figure 997 - Permanent teeth of right half of lower dental arch, seen from above.
Figure 998 - Maxillæ at about one year.
Figure 999 - The complete temporary dentition , showing the relation of the developing permanent teeth.
Figure 1000 - The complete temporary dentition and the first permanent molar. Note the relation of the bicuspids to the temporary molars.
Figure 1001 - Front view of the skull shown in Fig. 1000. Note the relation of the permanent incisors and cuspids to each other and the roots of the temporary teeth.
Figure 1002 - Permanent teeth. Right side.
Figure 1003 - The permanent teeth, viewed from the right. The external layer of bone has been partly removed and the maxillary sinus has been opened.
Figure 1004 - Deciduous teeth. Left side.
Figure 1005 - Vertical section of a tooth in situ. c is placed in the pulp cavity, opposite the neck of the tooth; the part above it is the crown, that below is the root. 1. Enamel with radial and concentric markings. 2. Dentin with tubules and incremental lines. Cement or crusta petrosa, with bone corpuscles. 4. Dental periosteum. 5. Mandible.
Figure 1006 - Vertical section of a molar tooth.
Figure 1007 - Vertical section of a premolar tooth.
Figure 1008 - Transverse section of a portion of the root of a canine tooth.
Figure 1009 - Sagittal section through the first lower deciduous molar of a human embryo 30 mm. long. E.L. Labiodental lamina, here separated from the dental lamina. Z.L. Placed over the shallow dental furrow, points to the dental lamina, which is spread out below to form the enamel germ of the future tooth. P.p. Bicuspidate papilla, capped by the enamel germ. Z.S. Condensed tissue forming dental sac. M.E. Mouth epithelium
Figure 1010 - Similar section through the canine tooth of an embryo 40 mm. long. F. Labio dental furrow. The other lettering as in Fig. 1009.
Figure 1011 - Vertical section of the mandible of an early human fetus.
Figure 1012 - Longitudinal section of the lower part of a growing tooth, showing the extension of the layer of adamantoblasts beyond the crown to mark off the limit of formation of the dentin of the root. Adamantoblasts, continuous below with ep.sch., the epithelial sheath of Hertwig. d. Dentin. en. Enamel. od. Odontoblasts. p. Pulp.
Figure 1013 - The mouth cavity. The apex of the tongue is turned upward, and on the right side a superficial dissection of its under surface has been made.
Figure 1014 - The mouth cavity. The cheeks have been slit transversely and the tongue pulled forward.
Figure 1015 - Circumvallate papilla in vertical section, showing arrangement of the taste-buds and nerves.
Figure 1016 - A filiform papilla. Magnified
Figure 1017 - Section of a fungiform papilla.
Figure 1018 - Semidiagrammatic view of a portion of the mucous membrane of the tongue. Two fungiform papillæ are shown. On some of the filiform papillæ the epithelial prolongations stand erect, in one they are spread out, and in three they are folded in.
Figure 1019 - Extrinsic muscles of the tongue. Left side.
Figure 1020 - Coronal section of tongue, showing intrinsic muscles.
Figure 1021 - Vertical section of papilla foliata of the rabbit, passing across the folia.
Figure 1022 - Right parotid gland. Posterior and deep aspects.
Figure 1023 - Right parotid gland. Deep and anterior aspects.
Figure 1024 - Dissection, showing salivary glands of right side.
Figure 1025 - Section of submaxillary gland of kitten. Duct semidiagrammatic.
Figure 1026 - Human submaxillary gland. At the right is a group of mucous alveoli, at the left a group of serous alveoli.
Figure 1027 - Section through one of the crypts of the tonsil. e. Stratified epithelium of general surface, continued into crypt. f, f. Nodules of lymphoid tissue—opposite each nodule numbers of lymph cells are passing into or through the epithelium. s, s. Cells which have thus escaped to mix with the saliva as salivary corpuscles.
Figure 1028 - Dissection of the muscles of the palate from behind.
Figure 1029 - Front of nasa part of pharynx, as seen with the laryngoscope.
Figure 1030 - Muscles of the pharynx and cheek.
Figure 1031 - Muscles of the pharynx, viewed from behind, together with the associated vessels and nerves.
Figure 1032 - The position and relation of the esophagus in the cervical region and in the posterior mediastinum. Seen from behind.
Figure 1033 - Section of the human esophagus. Moderately magnified. The section is transverse and from near the middle of the gullet. a. Fibrous covering. b. Divided fibers of longitudinal muscular coat. c. Transverse muscular fibers. d. Submucous or areolar layer. e. Muscularis mucosæ. f. Mucous membrane, with vessels and part of a lymphoid nodule. g. Stratified epithelial lining. h. Mucous gland. i. Gland duct. m’. Striated muscular fibers cut across.
Figure 1034 - Front view of the thoracic and abdominal viscera. a. Median plane. b b. Lateral planes. c c. Trans tubercular plane. d d. Subcostal plane. e e. Transpyloric plane.
Figure 1035 - Vertical disposition of the peritoneum. Main cavity, red; omental bursa, blue.
Figure 1036 - Posterior view of the anterior abdominal wall in its lower half. The peritoneum is in place, and the various cords are shining through.
Figure 1037 - The peritoneum of the male pelvis.
Figure 1038 - Horizontal disposition of the peritoneum in the lower part of the abdomen.
Figure 1039 - Horizontal disposition of the peritoneum in the upper part of the abdomen.
Figure 1040 - Diagram devised by Delépine to show the lines along which the peritoneum leaves the wall of the abdomen to invest the viscera.
Figure 1041 - Superior and inferior duodenal fossæ.
Figure 1042 - Duodenojejunal fossa.
Figure 1043 - Superior ileocecal fossa.
Figure 1044 - Inferior ileocecal fossa. The cecum and ascending colon have been drawn lateralward and downward, the ileum upward and backward, and the vermiform process downward.
Figure 1045 - The cecal fossa. The ileum and cecum are drawn backward and upward.
Figure 1046 - Outline of stomach, showing its anatomical landmarks.
Figure 1047 - Diagram showing shape and position of empty stomach. Erect posture.
Figure 1048 - Diagram showing shape and position of moderately filled stomach. Erect posture.
Figure 1049 - Diagram showing shape and position of distended stomach. Erect posture.
Figure 1050 - Interior of the stomach.
Figure 1051 - The longitudinal and circular muscular fibers of the stomach, viewed from above and in front.
Figure 1052 - The oblique muscular fibers of the stomach, viewed from above and in front.
Figure 1053 - Section of mucous membrane of human stomach, near the cardiac orifice. Cardiac glands. d. Their ducts. cr. Gland similar to the intestinal glands, with goblet cells. mm. Mucous membrane. m. Muscularis mucosæ. m’. Muscular tissue within the mucous membrane.
Figure 1054 - A pyloric gland, from a section of the dog’s stomach. Mouth. n. Neck. tr. A deep portion of a tubule cut transversely.
Figure 1055 - A fundus gland. A. Transverse section of gland.
Figure 1056 - The duodenum and pancreas.
Figure 1057 - Interior of the descending portion of the duodenum, showing bile papilla.
Figure 1058 - Section of duodenum of cat.
Figure 1059 - Vertical section of a villus from the dog’s small intestine.
Figure 1060 - Transverse section of a villus, from the human intestine. Basement membrane, here somewhat shrunken away from the epithelium. b. Lacteal. c. Columnar epithelium. d. Its striated border. e. Goblet cells. f. Leucocytes in epithelium. f’. Leucocytes below epithelium. g. Bloodvessels. h. Muscle cells cut across.
Figure 1061 - Villi of small intestine, showing bloodvessels and lymphatic vessels.
Figure 1062 - An intestinal gland from the human intestine.
Figure 1063 - Vertical section of a human aggregated lymphatic nodule, injected through its lymphatic canals. a. Villi with their chyle passages. b. Intestinal glands. c. Muscularis mucosæ. d. Cupola or apex of solitary nodule. e. Mesial zone of nodule. f. Base of nodule. g. Points of exit of the lacteals from the villi, and entrance into the true mucous membrane. h. Retiform arrangement of the lymphatics in the mesial zone. i. Course of the latter at the base of the nodule. k. Confluence of the lymphatics opening into the vessels of the submucous tissue. l. Follicular tissue of the latter.
Figure 1064 - Transverse section through the equatorial plane of three aggregated lymphatic nodules from the rabbit.
Figure 1065 - No caption.
Figure 1066 - No caption.
Figure 1067 - No caption.
Figure 1068 - No caption.
Figure 1069 - No caption.
Figure 1070 - —Diagrams showing the arrangement and variations of the loops of the mesenteric vessels for various segments of the small intestine of average length. Nearest the duodenum the mesenteric loops are primary, the vasa recta are long and regular in distribution, and the translucent spaces are extensive. Toward the ileocolic junction, secondary and tertiary loops are observed, the vessels are smaller and become obscured by numerous fat-tabs.
Figure 1071 - The myenteric plexus from the rabbit.
Figure 1072 - The plexus of the submucosa from the rabbit.
Figure 1073 - The cecum and vermiform process, with their arteries.
Figure 1074 - Transverse section of human vermiform process.
Figure 1075 - Interior of the cecum and lower end of ascending colon, showing colic valve.
Figure 1076 - Iliac colon, sigmoid or pelvic colon, and rectum seen from the front, after removal of pubic bones and bladder.
Figure 1077 - The posterior aspect of the rectum exposed by removing the lower part of the sacrum and the coccyx.
Figure 1078 - Coronal section of rectum and anal canal.
Figure 1079 - Coronal section through the anal canal. Cavity of urinary bladder. V.D. Ductus deferens. S.V. Seminal vesicle. R. Second part of rectum. A.C. Anal canal. L.A. Levator ani. I.S. Sphincter ani internus. E.S. Sphinear ani externus.
Figure 1080 - The interior of the anal cami and lower part of the rectum, showing the columns of Morgagni and the anal valves between their lower ends. The columns were more numerous in the specimen than usual.
Figure 1081 - Inner wall of the lower end of the rectum and anus. On the right the mucous membrane has been removed to show the dilatation of the veins and how they pass through the muscular wall to anastomose with the external hemorrhoidal plexus.
Figure 1082 - Section of mucous membrane of human rectum.
Figure 1083 - The bloodvessels of the rectum and anus, showing the distribution and anastomosis on the posterior surface near the termination of the gut.
Figure 1084 - Varieties of oblique inguinal hernia.
Figure 1085 - The superior surface of the liver.
Figure 1086 - Inferior surface of the liver.
Figure 1087 - Posterior and inferior surfaces of the liver.
Figure 1088 - Liver with the septum transversum. Human embryo 3 mm. long.
Figure 1089 - Longitudinal section of a hepatic vein.
Figure 1090 - Longitudinal section of a small portal vein and canal.
Figure 1091 - Section of injected liver .
Figure 1092 - A single lobule of the liver of a pig.
Figure 1093 - Section across portal canal of pig.
Figure 1094 - Bile capillaries of rabbit. shown by Golgi’s method.
Figure 1095 - The gall-bladder and bile ducts laid open.
Figure 1096 - Transverse section of gall-bladder.
Figure 1097 - Transverse section through the middle of the first lumbar vertebra, showing the relations of the pancreas.
Figure 1098 - The duodenum and pancreas.
Figure 1099 - The pancreas and duodenum from behind.
Figure 1100 - The pancreatic duct.
Figure 1101 - Pancreas of a human embryo of five weeks.
Figure 1102 - Pancreas of a human embryo at end of sixth week.
Figure 1103 - Schematic and enlarged cross-section through the body of a human embryo in the region of the mesogastrium. Beginning of third month.
Figure 1104 - Section through same region as in Fig. 1103, at end of third month.
Figure 1105 - Section of pancreas of dog.
Figure 1106 - Section of the urogenital fold of a chick embryo of the fourth day.
Figure 1107 - Enlarged view from the front of the left Wolffian body before the establishment of the distinction of sex. a, a, b, c, d. Tubular structure of the Wolffian body. e. Wolffian duct. f. Its upper extremity. g. Its termination in x, the urogenital sinus. h. The duct of Müller. i. Its upper, funnel-shaped extremity. k. Its lower end, terminating in the urogenital sinus. l. The genital gland.
Figure 1108 - Broad ligament of adult, showing epoöphoron. a, a. Epoöphoron formed from the upper part of the Wolffian body. b. Remains of the uppermost tubes sometimes forming appendices. c. Middle set of tubes. d. Some lower atrophied tubes. e. Atrophied remains of the Wolffian duct. f. The terminal bulb or hydatid. h. The uterine tube, originally the duct of Müller. i. Appendix attached to the extremity. l. The ovary.
Figure 1109 - Urogenital sinus of female human embryo of eight and a half to nine weeks old.
Figure 1110 - Diagrams to show the development of male and female generative organs from a common type.
Figure 1111 - Transverse section of human embryo eight and a half to nine weeks old.
Figure 1112 - Longitudinal section of ovary of cat embryo of 9.4 cm. long.
Figure 1113 - Section of the ovary of a newly born child.
Figure 1114 - Section of a genital cord of the testis of a human embryo 3.5 cm. long.
Figure 1115 - Tail end of human embryo twenty-five to twenty-nine days old.
Figure 1116 - Tail end of human embryo thirty-two to thirty-three days old.
Figure 1117 - Tail end of human embryo; from eight and a half to nine weeks old.
Figure 1118 - Primitive kidney and bladder, from a reconstruction.
Figure 1119 - Stages in the development of the external sexual organs in the male and female.
Figure 1120 - The relations of the viscera and large vessels of the abdomen.
Figure 1121 - Posterior abdominal wall, after removal of the peritoneum, showing kidneys, suprarenal capsules, and great vessels. .
Figure 1122 - The anterior surfaces of the kidneys, showing the areas of contact of neighboring viscera.
Figure 1123 - The posterior surfaces of the kidneys, showing areas of relation to the parietes.
Figure 1124 - The relations of the kidneys from behind.
Figure 1125 - Sagittal section through posterior abdominal wall, showing the relations of the capsule of the kidney. .
Figure 1126 - Transverse section, showing the relations of the capsule of the kidney.
Figure 1127 - Vertical section of kidney.
Figure 1128 - Scheme of renal tubule and its vascular supply.
Figure 1129 - Distribution of bloodvessels in cortex of kidney.
Figure 1130 - Glomerulus.
Figure 1131 - Longitudinal section of descending limb of Henle’s loop. a. Membrana propria. b. Epithelium.
Figure 1132 - Section of cortex of human kidney.
Figure 1133 - Transverse section of pyramidal substance of kidney of pig, the bloodvessels of which are injected. a. Large collecting tube, cut across, lined with cylindrical epithelium. b. Branch of collecting tube, cut across, lined with cubical epithelium. c, d. Henle’s loops cut across. e. Bloodvessels cut across. Connective tissue ground substance.
Figure 1134 - Transverse section of ureter.
Figure 1135 - Median sagitta section of male pelvis.
Figure 1136 - Male pelvic organs seen from right side. Bladder and rectum distended; relations of peritoneum to the bladder and rectum shown in blue. The arrow points to the rectovesical pouch.
Figure 1137 - Sagittal section through the pelvis of a newly born male child.
Figure 1138 - Sagittal section through the pelvis of a newly born female child.
Figure 1139 - Median sagittal section of female pelvis.
Figure 1140 - The interior of bladder.
Figure 1141 - Vertical section of bladder wall.
Figure 1142 - The male urethra laid open on its anterior
Figure 1143 - The scrotum. On the left side the cavity of the tunica vaginalis has been opened; on the right side only the layers superficial to the Cremaster have been removed.
Figure 1144 - The scrotum. The penis has been turned upward, and the anterior wall of the scrotum has been removed. On the right side, the spermatic cord, the infundibuliform fascia, and the Cremaster muscle are displayed; on the left side, the infundibuliform fascia has been divided by a longitudinal incision passing along the front of the cord and the testicle, and a portion of the parietal layer of the tunica vaginalis has been removed to display the testicle and a portion of the head of the epididymis, which are covered by the visceral layer of the tunica vaginalis.
Figure 1145 - Transverse section through the left side of the scrotum and the left testis. The sac of the tunica vaginalis is represented in a distended condition.
Figure 1146 - The spermatic cord in the inguinal canal.
Figure 1147 - Spermatic veins.
Figure 1148 - The right testis, exposed by laying open the tunica vaginalis.
Figure 1149 - Vertical section of the testis, to show the arrangement of the ducts.
Figure 1150 - Transverse section of a tubule of the testis of a rat.
Figure 1151 - Section of epididymis of guinea-pig.
Figure 1152 - Fundus of the bladder with the vesiculæ seminales.
Figure 1153 - Vesiculæ seminales and ampullæ of ductus deferentes, seen from the front. The anterior walls of the left ampulla, left seminal vesicle, and prostatic urethra have been cut away.
Figure 1154 - The constituent cavernous cylinders of the penis. The glans and anterior part of the corpus cavernosum urethræ are detached from the corpora cavernosa penis and turned to one side.
Figure 1155 - Transverse section of the penis.
Figure 1156 - Vertical section of bladder, penis, and urethra.
Figure 1157 - Section of corpus cavernosum penis in a non-distended condition. Trabeculæ of connective tissue, with many elastic fibers and bundles of plain muscular tissue, some of which are cut across (c). b. Blood sinuses.
Figure 1158 - Diagram of the arteries of the penis.
Figure 1159 - Veins of the penis.
Figure 1160 - Prostate with seminal vesicles and seminal ducts, viewed from in front and above.
Figure 1161 - Uterus and right broad ligament, seen from behind. The broad ligament has been spread out and the ovary drawn downward.
Figure 1162 - Adult ovary, epoöphoron, and uterine tube. a, a. Epoöphoron formed from the upper part of the Wolffian body. b. Remains of the uppermost tubes sometimes forming hydatids. c. Middle set of tubes. d. Some lower atrophied tubes. e. Atrophied remains of the Wolffian duct. f. The terminal bulb or hydatid. h. The uterine tube. i. Hydatid attached to the extremity. l. The ovary.
Figure 1163 - Section of the ovary. Outer covering. 1’. Attached border. 2. Central stroma. 3. Peripheral stroma. 4. Bloodvessels. 5. Vesicular follicles in their earliest stage. 6, 7, 8. More advanced follicles. 9. An almost mature follicle. 9’. Follicle from which the ovum has escaped. 10. Corpus luteum.
Figure 1164 - Section of vesicular ovarian follicle of cat.
Figure 1165 - Female pelvis and its contents, seen from above and in front.
Figure 1166 - Sagittal section of the lower part of a female trunk, right segment. INT. Small intestine.
Figure 1167 - Posterior half of uterus and upper part of vagina.
Figure 1168 - Sagittal section through the pelvis of a newly born female. child.
Figure 1169 - Vertical section of mucous membrane of human uterus.
Figure 1170 - The arteries of the internal organs of generation of the female, seen from behind.
Figure 1171 - External genital organs of female. The labia minora have been drawn apart.
Figure 1172 - Dissection of the lower half of the mamma during the period of lactation.
Figure 1173 - Section of portion of mamma.
Figure 1174 - The thyroid gland and its relations.
Figure 1175 - Scheme showing development of branchial epithelial bodies. I, II, III, IV. Branchial pouches.
Figure 1176 - Section of thyroid gland of sheep.
Figure 1177 - Parathyroid glands.
Figure 1178 - The thymus of a full-time fetus, exposed in situ.
Figure 1179 - Minute structure of thymus. Follicle of injected thymus from calf, four days old, slightly diagrammatic, magnified about 50 diameters. The large vessels are disposed in two rings, one of which surrounds the follicle, the other lies just within the margin of the medulla. A and B. From thymus of camel, examined without addition of any reagent. Magnified about 400 diameters. A. Large colorless cell, containing small oval masses of hemoglobin. Similar cells are found in the lymph glands, spleen, and medulla of bone. Colored blood corpuscles.
Figure 1180 - The hypophysis cerebri in position. Shown in sagittal section.
Figure 1181 - Median sagittal through the hypophysis of an adult monkey.
Figure 1182 - Vertical sections of the heads of early embryos of the rabbit. Magnified. From an embryo 5 mm. long. B. From an embryo 6 mm. long. C. Vertical section of the anterior end of the notochord and hypophysis, etc., from an embryo 16 mm. long. In A the buccopharyngeal membrane is still present. In B it is in the process of disappearing, and the stomodeum now communicates with the primitive pharynx. am. Amnion. c. Fore-brain. ch. Notochord. f. Anterior extremity of fore-gut, i. h. Heart. if. Infundibulum. m. Wall of brain cavity. mc. Mid-brain. mo. Hind-brain. p. Original position of hypophyseal diverticulum, py. ph. Pharynx. sp.e. Sphenoethmoidal. bc. Central. sp.o. Sphenoöccipital parts of basis cranii. tha. Thalamus.
Figure 1183 - Suprarenal glands viewed from the front.
Figure 1184 - Suprarenal glands viewed from behind.
Figure 1185 - Section of a part of a suprarenal gland.
Figure 1186 - Section of part of human glomus caroticum. Highly magnified. Numerous bloodvessels are seen in section among the gland cells.
Figure 1187 - Section of an irregular nodule of the glomus coccygeum. The section shows the fibrous covering of the nodule, the bloodvessels within it, and the epithelial cells of which it is constituted.
Figure 1188 - The visceral surface of the spleen.
Figure 1189 - Transverse section of the spleen, showing the trabecular tissue and the splenic vein and its tributaries.
Figure 1190 - Transverse section of the human spleen, showing the distribution of the splenic artery and its branches.
Figure 1191 - Transverse section of a portion of the spleen.
Figure 1192 - Section of the spleen, showing the termination of the small bloodvessels.