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Carnegie Stage 2 3-1 3-2 4 5a-1 5a-2 5b 5c 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 All

Carnegie Stage 13

Aabdominal wall (19), adenohypophysial pouch (22), alar plate of rhombencephalon (9), alar plate(s) (197), allantois (143), amnion attachment (125), anterior cerebral plexus (3), anterior dural vein (4), anterior dural venous plexus (54), anterior interventricular sulcus (30), aorta (490), aortic arch 2 (16), aortic arch 3 (21), aortic arch 4 (14), aortic bifurcation (27), aortic sac (29), apical ectodermal ridge (10)
Bbasal plate (179), blood cells in left atrium (2), bulbis cordis (8)
CC-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 cloaca (4), 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 neural tube (2), caudal edge of optic vesicle (6), caudal edge of otic vesicle (4), caudal edge of pharyngeal arch 1 (1), caudal edge of pharyngeal arch 2 (5), caudal edge of pharyngeal pouch 1 (2), caudal edge of rhombencoel (fourth ventricle) (3), caudal edge of sinus venosus (3), caudal edge of thyroid diverticulum (2), 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 eminence (109), caudal end of neural tube (1), caudal part of foregut (2), caudal part of rhombencephalon (5), caudal plexus of veins (1), cephalic edge of dermatomyotome 1 (O-1) (4), cephalic edge of dorsal aorta (2), cephalic edge of hepatic lamina (1), cephalic edge of left atrium (6), cephalic edge of otic vesicle (4), cephalic edge of right ventricle (4), cephalic edge of roots of facial and vestibulocochlear nerves (CN VII and CN VIII) (1), cephalic edge of roots of vagus and accessory nerves (CN X and CN XI) (1), cephalic edge of septum tranversum (3), 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 head (2), cephalic part of left atrium (1), cephalic part of rhombencephalon (2), cervical sinus (14), chiasmatic part of diencephalon (4), cloaca (36), cloacal membrane (24), coelom (44), coelomic cavity (26), common aorta (8), common atrioventricular canal (10), common atrioventricular canal (isthmus) (2), common cardinal vein (14), common umbilical vein (34), common ventricle (8), 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 (10), conus cordis: endocardium (3), conus cordis: epimyocardium (3), conus cordis: gelatinous reticulum (3), copula of tongue (5)
Ddermatomyotome 1 (O-1) (18), dermatomyotome 10 (C-6) (14), dermatomyotome 11 (C-7) (23), dermatomyotome 12 (C-8) (14), dermatomyotome 13 (T-1) (13), dermatomyotome 14 (T-2) (16), dermatomyotome 15 (T-3) (19), dermatomyotome 16 (T-4) (20), dermatomyotome 17 (T-5) (19), dermatomyotome 18 (T-6) (18), dermatomyotome 19 (T-7) (18), dermatomyotome 2 (O-2) (23), 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), dermatomyotome 3 (O-3) (15), dermatomyotome 4 (O-4) (15), dermatomyotome 5 (C-1) (31), dermatomyotome 6 (C-2) (29), dermatomyotome 7 (C-3) (24), dermatomyotome 8 (C-4) (17), dermatomyotome 9 (C-5) (20), diencephalon (49), dorsal aorta (327), dorsal aorta (aortic arch 4) (3), dorsal intersegmental artery (16), dorsal mesentery (53), dorsal mesogastrium (57), dorsal pancreatic bud (12), dorsal thalamus (124), dorsal thalamus (diencephalon) (9), duodenum primordium (15)
Eectodermal 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), endocardium (30), epicardial ridge (6), epimyocardium (34), epipharyngeal placode 2 (7), epipharyngeal placode 3 (2), epipharyngeal placode 4 (3), epithalamus (36), esophagus primordium (24)
Ffloor plate (103), floor plate of rhombencephalon (1)
Ggelatinous reticulum (2), gonadal epithelium (10)
Hhead mesenchyme (224), hepatic antrum (16), hepatic lamina(e) (12), hepatic sinusoid (35), hepatocardiac vein (11), hindgut (125), hindgut endoderm (11), hypopharyngeal eminence of tongue (10)
Iinteratrial foramen (primum) (8), internal carotid artery (112), intersegmental artery (5), interventricular foramen (73), interventricular sulcus (45), intraretinal space (optic vesicle cavity) (68)
Jjunction 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 2 and dorsal aorta (3), junction of aortic arch 3 and dorsal aorta (2), junction of aortic arch 4 and aortic sac (1), junction of aortic sac and truncus arteriosus (2), junction of cloaca and mesonephric duct (6), junction of conus cordis and truncus arteriosus (2), 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 mesencephalon and rhombencephalon (3), junction of mesonephric duct and vesicle (1), junction of midgut and omphalo-enteric duct (7), junction of postcardinal and precardinal veins (4), junction of precardinal and primary head veins (8), junction of rhombencephalon and spinal cord (4), junction of right hepatocardiac vein and sinus venosus (1)
Llamina terminalis of prosencephalon (2), lateral body wall (4), lateral tongue eminence (1), left aorta (1), left atrium (172), left common cardinal vein (26), left common iliac artery (38), left hepatocardiac vein (5), left horn of sinus venosus (40), left lung bud (5), left umbilical artery (248), left umbilical vein (131), left ventricle (148), left vitelline (omphalomesenteric) vein (25), lens disc (5), lesser sac (10), lower limb bud (22), lumen of neural tube (22)
Mmamillary recess (15), mandibular prominence of pharyngeal arch 1 (57), mandibulary vein (1), mantle layer (11), marginal layer (25), marginal layer of spinal cord (4), maxillary prominence of pharyngeal arch 1 (62), median mandibular groove (19), median tongue eminence (1), mesencephalon (54), mesencoel (cerebral aqueduct) (63), mesentery (39), mesentery proper (6), mesocardium (34), mesonephric duct (197), mesonephric ridge (8), mesonephric tubule(s) (16), mesonephric vesicle(s) (49), mesonephros (52), mesothelium (18), middle dural venous plexus (17), midgut (137)
Nnasal disc (olfactory placode) (29), neural canal (54), neural tube (95), notochord (501), nucleated red blood cells in left atrium (3)
Oomphaloenteric 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), origin of vitelline (omphalomesenteric) artery (3), ostium primum (4), otic vesicle (17), otic vesicle cavity (4)
Pparaxial mesoderm (54), pericardial cavity (266), pericardial sac (38), pericardioperitoneal canal (pleural cavity) (29), pharyngeal arch 1 (18), pharyngeal arch 2 (36), pharyngeal arch 3 (21), pharyngeal arch 4 (10), pharyngeal groove 1 (50), pharyngeal groove 2 (9), pharyngeal pouch 1 (46), pharyngeal pouch 2 (28), pharyngeal pouch 3 (13), pharyngeal pouch 4 (13), pharynx primordium (6), postcardinal vein (224), posterior dural venous plexus (42), posterior interventricular sulcus (4), precardinal vein (144), primary head vein (62), primary interatrial septum (septum primum) (47), 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), prosencoel (third ventricle) (54)
Rrectum primordium (8), region of cervical flexure (18), region of mesencephalic (cephalic) flexure (30), rhombencephalon (hindbrain) (2), rhombencoel (fourth ventricle) (265), 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 atrium (192), right common iliac artery (26), right hepatocardiac vein (5), right lung bud (7), right umbilical artery (217), right umbilical vein (125), right umbilical vein (involuting) (2), right ventricle (100), right ventricle: endocardium (2), right ventricle: epimyocardium (2), right vitelline (omphalomesenteric) vein (17), roof of pharynx primordium (2), roof plate (249), roof plate of neural tube (5), roof plate of rhombencephalon (67), root of accessory nerve (CN XI) (8), root of glossopharyngeal nerve (CN IX) (15), root of trigeminal nerve (CN V) (23), root of vagus nerve (CN X) (26), roots of facial and vestibulocochlear nerves (CN VII and CN VIII) (3)
Ssclerotome (117), separation artifact (10), septum transversum (69), sinu-atrial foramen (11), sinus venosus (89), 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), specialized coelomic wall (18), splanchnic mesoderm (7), stomach primordium (10), stomodeum (15), subcardinal vein (15), sulcus limitans (276), surface ectoderm (351)
TT-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), tailgut (3), tectum of mesencephalon (27), tegmentum of mesencephalon (19), telencephalon medium (23), thyroid diverticulum (6), trabecular part of left ventricle (28), trachea primordium (6), tracheo-esophageal tube (13), truncus arteriosus (19)
Uultimopharyngeal pouch (14), umbilical cord (121), umbilical vesicle stalk (33), united dorsal aortas (5), upper limb bud (49), urogenital sinus (12), urorectal septum (14)
Vvenous plexus(es) (47), ventral mesogastrium (7), ventral pancreatic bud (1), ventral part of rhombomere 4 (1), ventral pharyngeal vein (1), ventral thalamus (108), ventral thalamus (diencephalon) (13), vitelline (omphalomesenteric) vein (22)

Carnegie Stage 2 3-1 3-2 4 5a-1 5a-2 5b 5c 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 All