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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 17

Aalisphenoid condensation (1), angle of mouth (8), anterior abdominal wall (4), anterior semicircular duct (42), aortic arch 6 (ductus arteriosus) (1), aortic semilunar valve (15), aorticopulmonary ridges (1), apex of left lung sac (1), apex of right lung sac (1), apex of urinary bladder (vesico-urethral canal) (1), artifact(s) (70), axillary artery (10)
Bbasal plate cartilage (7), basal plate condensation (3), basal plate of myelencephalon (3), basisphenoid condensation (6), blastemata of abdominal wall muscles (2), blastemata of intercostal muscles (2), body of stomach (endoderm) (1), branches of internal iliac artery (1), buccal region (4), buttox region (3)
CC-1 vertebra (atlas) condensation (1), C-2 dorsal primary ramus (1), C-2 dorsal root (6), C-2 ventral primary ramus (1), cartilaginous vertebral centrum (2), caudal edge of infolded roof plate of rhombencephalon (1), caudal edge of mammary gland (1), caudal edge of metanephrogenic blastema (1), caudal edge of right lobe of liver (6), caudal edge of spleen (2), caudal edge of umbilical cord (6), caudal end of mesonephros (1), caudal end of spinal cord (3), central canal of spinal cord (15), cephalic edge of metanephrogenic blastema (1), cephalic edge of umbilical arteries (1), cephalic edge of umbilical cord (4), cerebellar plate (1), circularis muscle layer of stomach (1), Co-1 dorsal root (3), Co-1 ventral root (4), coccygeal sclerotome (1), cochlear duct (23), cochlear duct part of otic vesicle (2), collicular plate (1), continuity of surface ectoderm (1)
Ddisrupted tissue (artifact) (3), duct of dorsal pancreas (5), duct of ventral pancreas (1), duodenum (second part) (14), dural band for tentorium cerebelli (38), dural limiting layer (3)
Eedge of allantois (1), edge of anterior semicircular duct (4), edge of arytenoid swelling (2), edge of cochlear duct (3), edge of dorsal mesogastrium (1), edge of embryo (1), edge of gall bladder (1), edge of herniated midgut (6), edge of interventricular foramen (5), edge of junction of mandibular prominence of pharyngeal arch 1 and neck (1), edge of left lung (1), edge of left ventricle (3), edge of liver (1), edge of mammary gland (2), edge of maxillary prominence of pharyngeal arch 1 (1), edge of metencephalon (pons) (1), edge of myelencephalon (3), edge of naris (1), edge of nasal sac (1), edge of otic capsule condensation (2), edge of pharyngeal pouch 1 (1), edge of pleural cavity (4), edge of rhombencoel (fourth ventricle) (6), edge of rhombomere 3 (1), edge of right lung (1), edge of right ventricle (3), edge of roof plate of rhombencephalon (1), edge of root of accessory nerve (CN XI) (1), edge of root of trigeminal nerve (CN V) (1), edge of root of vestibulocochlear nerve (CN VIII) (1), edge of shoulder (4), edge of stomach (1), edge of tongue (4), edge of umbilical coelom (3), edge of urethral groove (1), efferent hepatic vein (29), elbow region (1), embryonic pelvis of kidney (propelvis) (3), epiglottis condensation (1), epimere (15), exterior of embryo (4), external acoustic meatus (18), external carotid artery (5), external jugular vein (7), external layer of retina (1), extra-ocular muscle mass (1), extrinsic tongue muscle (geniohyoid muscle) (1), extrinsic tongue muscle(s) (2)
Ffemoral plexus (2), fiber field (1), filum terminale (26), foot ray(s) (2), foot region (7), fundus of stomach (endoderm) (1)
Ggreat saphenous vein (3)
Hhand (2), hand ray (3), hand ray (metacarpal) (1), hand rays (metacarpal precartilages) (2), hepatic artery (7), hilum of spleen (1), hindgut (sigmoid colon) (1), hindgut mesentery (7), horn of urinary bladder (common excretory duct) (2), humerus cartilage (3), hypoglossal canal (16), hypomere (2)
Iinferior parathyroid gland (12), infolded roof plate of rhombencephalon (3), intercostal muscle(s) (3), internal layer of retina (1), interorbital ligament (21), isthmus (1), isthmus of thyroid gland (9)
Jjugular lymph sac (41), junction of anal canal and rectum (1), junction of atrioventricular endocardial cushion and interventricular septum (1), junction of bile duct and duodenum (1), junction of bile duct and ventral pancreatic duct (1), junction of duct of dorsal pancreas and duodenum (1), junction of external and internal carotid arteries (1), junction of horn of urinary bladder and mesonephric duct (2), junction of left sinus horn and sinus venosus (1), junction of maxillary and lateral nasal prominences (1), junction of mesonephric duct and metanephric duct (ureter) (1)
Kknee region (1)
LL-1 / L-2 interganglion region (4), L-4 dorsal root (1), lateral cutaneous nerve (1), lateral semicircular duct (20), left common carotid artery (14), left horn of aortic sac (arch of aorta) (2), left horn of urinary bladder (common excretory duct) (1), left pulmonary artery (7), left vagus nerve (CN X) (33), leg region (6), lens (22), lens vesicle cavity (1), lesser sac of peritoneal cavity (2), lower limb veins (1), lower secondary bronchus (17), lumen of body of stomach (22)
Mmajor calyx (3), mammary gland (23), medullary vellum (2), meninx (14), mesenchyme in mesentery of herniated midgut (2), metanephric duct (ureter) (9), metencephalon (pons) (2), middle secondary bronchus (6), midgut condensation (2), missing tissue (artifact) (27), muscular interventricular septum (6), muscular layer of esophagus (9), musculi pectinati in left atrial wall (2), musculi pectinati in right atrial wall (6)
Nnasal septal cartilage condensation (6), nasal septum (10), nasofrontal groove (interorbital groove) (1), neopallium (4), nerve plexus (2), neural arch of T-6 vertebra (1)
Oolfactory filia (CN I) (19), orbitosphenoid condensation (2)
Pparamesonephric groove (9), pelvic plexus (12), pelvis of kidney (metanephros) (8), pleural cavity (70), pneumogenic coat (1), postcardinal vein anastomosis (4), posterior semicircular duct (35), precartilage condensation of ear ossicle (1), precartilage condensation of hyoid bone (1), precartilage condensation of pharyngeal arch 3 (1), premuscle mass in arm (1), presumptive olfactory bulb (1), primary lens fiber (1), primary palate (25), primordial oral vestibule (2), primordial palatine shelf (1), primordial vermiform appendix (1), pulmonary semilunar valve (17), pyloric antrum of stomach (19)
Rrectum endoderm (3), retropharyngeal space (15), rib 1 (22), rib 10 (41), rib 11 (28), rib 12 (17), rib 2 (22), rib 3 (31), rib 4 (40), rib 5 (41), rib 6 (40), rib 7 (52), rib 8 (56), rib 9 (48), right common carotid artery (4), right horn of aortic sac (brachiocephalic trunk) (2), right vagus nerve (CN X) (22), roof of diencephalon (10), root of abducens nerve (CN VI) (5)
SS-2 dorsal root (5), S-3 dorsal root (9), S-3 ventral root (3), S-4 dorsal root (5), S-4 ventral root (4), S-5 dorsal root (4), S-5 ventral root (5), scapula cartilage (1), sinusoids of liver (1), skeletal blastema of fibula (1), skeletal blastema of pelvis (3), skeletal blastema of tibia (2), sternocleidomastoid / trapezius muscle (3), sternocleidomastoid muscle (45), subarachnoid space (332), subcostal nerve (T-12) (9), superior parathyroid gland (10), supra-optic nucleus (1), supra-optic region (1), suprarenal gland (16)
TT-11 intercostal nerve (8), T-12 / L-1 interganglion region (6), T-8 intercostal nerve (4), tertiary bronchopulmonary buds in lower lobe of left lung (5), tertiary bronchopulmonary buds in lower lobe of right lung (1), tertiary bronchopulmonary buds in middle lobe of right lung (1), tertiary bronchopulmonary buds in upper lobe of right lung (1), thymus gland (11), thyroid gland (20), tissue fold (artifact) (3), tongue (7), trapezius muscle (121), tubotympanic recess (pharyngeal pouch 1) (1)
Uundivided truncus arteriosus (proximal outflow tract) (3), upper secondary bronchus (11), urethra (pelvic part of definitive urogenital sinus) (2), urethra (phallic part of urogenital sinus) (1), urethral fold (16), urinary bladder (vesico-urethral canal) (7), utriculosaccular diverticulum (1)
Vventral mesogastrium (lesser omentum) (6), vitreous cavity (2)
Wwall of herniated midgut (2), wall of stomach (5), wall of umbilical artery (1)

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