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| A | abdominal wall (19), alar plate of rhombencephalon (9), anterior cerebral plexus (3), anterior dural vein (4), anterior dural venous plexus (54), aortic arch 4 (14), apical ectodermal ridge (10) |
| B | blood cells in left atrium (2) |
| C | C-1 spinal ganglion primordium (7), C-2 spinal ganglion primordium (8), C-3 spinal ganglion primordium (11), C-4 spinal ganglion primordium (4), C-5 spinal ganglion primordium (3), C-6 spinal ganglion primordium (3), C-7 spinal ganglion primordium (6), C-8 spinal ganglion primordium (2), caudal edge of C-4 spinal ganglion primordium (1), caudal edge of common ventricle (5), caudal edge of left atrium (5), caudal edge of left lung bud (1), caudal edge of left optic vesicle (1), caudal edge of mandibular prominence of pharyngeal arch 1 (3), caudal edge of optic vesicle (6), caudal edge of pharyngeal arch 1 (1), caudal edge of pharyngeal arch 2 (5), caudal edge of rhombencoel (fourth ventricle) (3), caudal edge of sinus venosus (3), caudal edge of tracheo-esophageal septum (1), caudal edge of ultimopharyngeal pouch (4), caudal edge of upper limb bud (1), caudal edge(s) of rhombencephalon (2), caudal end of neural tube (1), caudal part of rhombencephalon (5), caudal plexus of veins (1), cephalic edge of hepatic lamina (1), cephalic edge of right ventricle (4), cephalic edge of umbilical vesicle stalk (1), cephalic edge of upper limb bud (2), cephalic end of mesonephros (4), cephalic extent of pericardial cavity (1), cephalic limb bud mesenchyme (1), cephalic part of left atrium (1), cephalic part of rhombencephalon (2), chiasmatic part of diencephalon (4), coelomic cavity (26), common aorta (8), common atrioventricular canal (10), common atrioventricular canal (isthmus) (2), common cardinal vein (14), communication between coelomic cavity and extra-embryonic coelom (3), communication of coelomic cavity with extra-embryonic coelom (2), communication of prosencoel (third ventricle) with optic vesicle (1), continuity of hindgut (2), continuity of neural tube (2), conus cordis: endocardium (3), conus cordis: epimyocardium (3), conus cordis: gelatinous reticulum (3), copula of tongue (5), cranial edge of root of accessory nerve (CN XI) (1), cranial edge of root of vagus nerve (CN X) (1) |
| D | dermatomyotome 17 (T-5) (19), dermatomyotome 18 (T-6) (18), dermatomyotome 19 (T-7) (18), dermatomyotome 20 (T-8) (13), dermatomyotome 21 (T-9) (17), dermatomyotome 22 (T-10) (16), dermatomyotome 23 (T-11) (12), dermatomyotome 24 (T-12) (13), dermatomyotome 25 (L-1) (12), dermatomyotome 26 (L-2) (12), dermatomyotome 27 (L-3) (8), diencephalon (49), dorsal aorta (aortic arch 4) (3), dorsal mesentery (53), dorsal mesogastrium (57), dorsal pancreatic bud (12), dorsal thalamus (124), dorsal thalamus (diencephalon) (9), duodenum primordium (15) |
| E | ectodermal tag of otic vesicle (3), edge of caudal eminence (9), edge of coelom (8), edge of head (1), edge of mamillary recess (1), edge of somite 32 (S-3) (1), epicardial ridge (6), epipharyngeal placode 3 (2), epipharyngeal placode 4 (3), epithalamus (36), esophagus primordium (24) |
| F | floor plate of rhombencephalon (1) |
| G | gelatinous reticulum (2), gonadal epithelium (10) |
| H | hepatic lamina(e) (12), hepatic sinusoid (35), hepatocardiac vein (11), hypopharyngeal eminence of tongue (10) |
| I | intersegmental artery (5) |
| J | junction of adenohypophysial pouch ectoderm and notochord (1), junction of allantois and urogenital sinus (2), junction of aortic arch 2 and aortic sac (1), junction of aortic arch 3 and dorsal aorta (2), junction of aortic arch 4 and aortic sac (1), junction of diencephalon and mesencephalon (6), junction of dorsal aorta and intersegmental artery (1), junction of duodenum and stomach primordia (2), junction of hepatocardiac and left vitelline veins (1), junction of hepatocardiac and right vitelline veins (1), junction of hepatocardiac and umbilical veins (2), junction of left and right dorsal aortas (2), junction of left common cardinal and left umbilical veins with left sinus horn (1), junction of left common cardinal vein and sinus venosus (4), junction of mesonephric duct and vesicle (1), junction of midgut and omphalo-enteric duct (7), junction of postcardinal and precardinal veins (4), junction of right hepatocardiac vein and sinus venosus (1) |
| L | lamina terminalis of prosencephalon (2), lateral body wall (4), lateral tongue eminence (1), left aorta (1), left common cardinal vein (26), left hepatocardiac vein (5), left lung bud (5), lens disc (5), lesser sac (10), lower limb bud (22) |
| M | mamillary recess (15), mandibulary vein (1), mantle layer (11), marginal layer (25), marginal layer of spinal cord (4), median tongue eminence (1), mesencephalon (54), mesencoel (cerebral aqueduct) (63), mesentery (39), mesentery proper (6), mesonephric ridge (8), mesonephric tubule(s) (16), mesonephros (52), middle dural venous plexus (17) |
| N | neural canal (54), nucleated red blood cells in left atrium (3) |
| O | omphaloenteric duct (6), optic evagination (2), optic part of retina (6), optic stalk (CN II) (23), optic vesicle (8), oral fissure (32), origin of intersegmental artery (1), origin of intersegmental artery from dorsal aorta (1), origin of primary intestinal plexus artery (6), ostium primum (4), otic vesicle cavity (4) |
| P | pharyngeal arch 4 (10), pharynx primordium (6), posterior dural venous plexus (42), primary interventricular foramen (3), primary intestinal plexus artery (4), primordial maxillary vein (7), primordium of facial and vestibulocochlear nerves (CN VII and CN VIII) (12), primordium of facial nerve (CN VII) (6), primordium of glossopharyngeal nerve (CN IX) (9), primordium of hypoglossal nerve (CN XII) (3), primordium of trigeminal nerve (CN V) (12), primordium of vagus and accessory nerves (CN X and CN XI) (2), primordium of vagus nerve (CN X) (8), prosencephalon (telencephalic part) (11) |
| R | rectum primordium (8), region of cervical flexure (18), rhombencephalon (hindbrain) (2), rhombomere 1 (20), rhombomere 2 (40), rhombomere 3 (26), rhombomere 4 (42), rhombomere 5 (36), rhombomere 6 (40), rhombomere 7 (18), right aorta (1), right atrial wall (2), right hepatocardiac vein (5), right lung bud (7), right umbilical vein (involuting) (2), right ventricle: endocardium (2), right ventricle: epimyocardium (2), roof of pharynx primordium (2), roof plate of neural tube (5), roof plate of rhombencephalon (67), root of accessory nerve (CN XI) (8), root of facial nerve (CN VII) (10), root of glossopharyngeal nerve (CN IX) (15), root of trigeminal nerve (CN V) (23), root of vagus nerve (CN X) (26), root of vestibulocochlear nerve (CN VIII) (7), rostral edge of root of facial nerve (CN VII) (1), rostral edge of root of vestibulocochlear nerve (CN VIII) (1) |
| S | sinu-atrial foramen (11), somatic mesoderm (5), somite 28 (L-4) (8), somite 29 (L-5) (9), somite 30 (S-1) (13), somite 31 (S-2) (12), somite 32 (S-3) (8), splanchnic mesoderm (7), stomach primordium (10), subcardinal vein (15) |
| T | T-1 spinal ganglion primordium (4), T-2 spinal ganglion primordium (1), T-3 spinal ganglion primordium (2), T-4 spinal ganglion primordium (3), T-6 spinal ganglion primordium (1), tail gut (3), telencephalon medium (23), trabecular part of left ventricle (28), trachea primordium (6), tracheo-esophageal tube (13) |
| U | umbilical cord (121), umbilical vesicle stalk (33), united dorsal aortas (5), upper limb bud (49), urogenital sinus (12), urorectal septum (14) |
| V | ventral mesogastrium (7), ventral pancreatic bud (1), ventral part of rhombomere 4 (1), ventral pharyngeal vein (1), ventral thalamus (108), ventral thalamus (diencephalon) (13) |
