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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 10

Aadenohypophysial primordium (1), alar plate(s) (197), allantoic primordium (10), amnion (104), amnion attachment (125), amnion ectoderm (1), amnion mesoderm (1), amniotic cavity (214), aortic arch 1 (38), artifact separation(s) (192), artifact space(s) (94), atrial canal (8)
Bbasal plate (179), body stalk (3), bulbis cordis (8)
Ccardiac jelly (33), caudal edge of aortic arch 1 (1), caudal edge of caudal eminence (5), caudal edge of cephalic neuropore (2), caudal edge of chiasmatic plate (D1) (1), caudal edge of hindgut (2), caudal edge of neural tube (junction of brain and spinal cord) (1), caudal edge of notochordal plate (1), caudal edge of otic placode (3), caudal edge of somite 5 (C-1) (2), caudal edge of somite 7 (C-3) (1), caudal eminence (109), caudal end of somite 1 (O-1) (1), caudal end of somite 3 (O-3) (1), caudal intestinal portal (6), caudal neuropore (32), caudal part of caudal eminence (3), caudal part of hindgut (1), caudal part of hindgut lumen (1), caudal part of neural cord (2), caudal part of notochordal plate (2), cephalic edge of aortic arch 1 (1), cephalic edge of caudal neuropore (3), cephalic edge of hepatic plate (3), cephalic edge of left neural fold (primordial diencephalon) (2), cephalic edge of neural tube (2), cephalic edge of otic placode (1), cephalic edge of pharyngeal pouch 1 (3), cephalic edge of somite 1 (O-1) (3), cephalic edge of somite 2 (O-2) (2), cephalic edge of somite 3 (O-3) (3), cephalic intestinal portal (6), cephalic neuropore (37), cephalic part of foregut (1), cephalic part of left neural fold (primordial diencephalon) (3), cephalic part of pharyngeal pouch 1 (1), cephalic part of primordial lateral body fold (2), cephalic part of somite 4 (O-4) (1), cephalic part of somite 5 (C-1) (1), chiasmatic plate (D1) (8), cloacal membrane (24), coelom (44), common umbilical vein (34), communication between primordial peritoneal cavity and extra-embryonic coelom (6), conotruncus (11)
Ddorsal aorta (327), dorsal aorta plexus (18), dorsal intersegmental artery (16)
Eedge of presumptive left atrium (2), embryonic endoderm (36), embryonic surface ectoderm (2), endocardium (30), endoderm (83), epimyocardium (34), extra-embryonic coelom (63), extra-embryonic ectoderm (18), extra-embryonic endoderm (44), extra-embryonic mesoderm (36)
Ffacio-vestibulocochlear neural crest (CN VII and CN VIII) (17), floor of foregut (3), foregut (26), foregut endoderm (6), foregut lumen (9), fusing neural folds (3), fusing neural folds [rhombencephalon (Rh. D)] (2)
Ggastrulation (primitive) streak (51)
Hhead fold region (9), head mesenchyme (224), hepatic plate (6), hepatic plate / septum transversum region (2), hindgut (125), hindgut endoderm (11)
Iintermediate mesenchyme (52)
Jjunction area of neural folds [rhombencephalon (Rh. D)] (2), junction of amnion and tail fold (1), junction of aortic arch 1 and primordial conotruncus (1), junction of neural ectoderm and surface ectoderm (14), junction of neural fold and surface ectoderm (5)
Llaryngotracheal sulcus (10), lateral pharyngeal recess (26), lateral plate mesoderm (34), left bulboventricular sulcus (6), left umbilical vein (131), looped heart (3)
Mmandibular prominence of pharyngeal arch 1 (57), maxillary prominence of pharyngeal arch 1 (62), median pharyngeal groove (3), mesencephalic neural crest (4), mesenchyme in pharyngeal arch 1 (2), mesocardium (34), mesoderm (32), midgut (137)
Nnephrogenic cord (13), neural ectoderm (13), neural fold (50), neural fold (spinal cord) (2), neural fold [mesencephalon (M)] (14), neural fold [primordial diencephalon (D1)] (4), neural fold [primordial diencephalon (D2)] (7), neural fold [primordial telencephalon medium (T)] (3), neural fold [rhombencephalon (Rh. A)] (11), neural fold [rhombencephalon (Rh. B)] (15), neural fold [rhombencephalon (Rh. C)] (14), neural fold [rhombencephalon (Rh. D)] (12), neural groove (71), neural groove (postoptic recess) (1), neural groove floor (1), neural plate (42), neural tube [rhombencephalon (Rh. D)] (4), neurohypophysial primordium (1), notochordal plate (100), nucleated blood cells (1)
Ooptic nerve primordium (CN II) [primordial diencephalon (D1)] (1), optic sulcus [primordial diencephalon (D1)] (2), otic placode (27)
Pparaxial mesoderm (54), pericardial cavity (266), pericardial sac (38), pharyngeal pouch 1 (46), pharyngeal pouch 1 endoderm: dorsal part (4), pharyngeal pouch 1 endoderm: ventral part (4), prechordal plate (oropharyngeal membrane) (4), presumptive left atrium (11), presumptive left ventricle (25), presumptive right atrium (16), presumptive right ventricle (6), primordial atrioventricular junction (2), primordial lateral body fold (21), primordial pericardioperitoneal canal (pleural cavity) (5), primordial peritoneal cavity (35)
Rregion of mesencephalic (cephalic) flexure (30), respiratory primordium (16), right bulboventricular sulcus (2), right umbilical vein (125)
Ssclerotomal cells (3), septum transversum (69), somatopleure (14), somatopleuric mesoderm (18), somite 1 (O-1) (12), somite 1-2 intersegmental region (1), somite 2 (O-2) (10), somite 2-3 intersegmental region (2), somite 3 (O-3) (11), somite 3-4 intersegmental region (4), somite 4 (O-4) (8), somite 4-5 intersegmental region (2), somite 5 (C-1) (3), somite 5-6 intersegmental region (1), somite 6 (C-2) (4), somite 6-7 intersegmental region (1), somite 7 (C-3) (5), somitocoel 1 (5), somitocoel 2 (8), somitocoel 3 (4), somitocoel 6 (5), somitocoel 7 (4), splanchnopleuric mesoderm (21), stomodeum (15), sulcus limitans (276), surface ectoderm (351), surface ectoderm of caudal eminence (3), surface ectoderm of head (3)
Ttail fold region (11), terminal notch (5), thyroid gland primordium (1), transition region between notochordal plate and gastrulation streak (2)
Uumbilical vesicle cavity (127), umbilical vesicle wall (73), umbilical vesicle wall endoderm (5), umbilical vesicle wall mesoderm (5)

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