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Carnegie Stage 1 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 15

Aabducens nerve area (CN VI), accessory nerve (CN XI), alar plate of mesencephalon, alar plate of mesencephalon (M2), alar plate of metencephalon, alar plate of rhombencephalon (cerebellum), anterior cerebral artery, anterior corneal epithelium, anterior spinal artery, aorta, aortic arch 4 (aortic arch), apical ridge, arterial plexus, auricular hillock(s)
Bbasal plate of rhombencephalon, basilar artery bifurcation
CC-1 / C-2 interganglion space, C-2 / C-3 interganglion space, C-3 / C-4 interganglion space, C-4 / C-5 ganglion interspace, C-5 / C-6 interganglion space, C-5 dorsal root, C-6 / C-7 interganglion space, C-7 / C-8 interganglion space, C-8 / T-1 interganglion space, cardinal vein, central canal, cerebral vesicle (primordial cerebral hemisphere), cerebral vesicle (telencephalon), cerebral vesicles, chorda tympani nerve, coeliac artery, common venous valve, copula of tongue, cranial accessory nerve (CN XI)
Ddorsal aorta (internal carotid artery)
Eendocardial cushion, epaxial myotome, esophagus
Ffacial nerve (CN VII), foot plate, foramen caecum site, foramen secundum, frontonasal prominence
Ggreater sac
Hhand plate, hippocampus, hypaxial myotome
Iinferior ganglion of glossopharyngeal nerve (CN IX), inferior ganglion of vagus nerve (CN X), intermediate zone of spinal cord, interventricular groove
Jjunction of marginal zone of spinal cord
Llaryngeal pharynx, lateral ventricle, left atrioventricular canal, left lower secondary bronchus, left truncus ridge, left upper secondary bronchus bud, lesser sac
Mmarginal sinus, marginal venous sinus, marginal zone of spinal cord, median sacral artery, mesencephalon artery, metanephros in presumptive pelvis, metencephalon arteries, metencephalon artery, metencephalon artery (superior cerebellar artery), musculi pectinati, myelencephalon arteries, myelencephalon artery
Nnasal prominences, nasomaxillary groove, nasopharynx, neural arch blastema
Oolfactory nerve (CN I), omental foramen, optic stalk (CN II), oronasal cavity, oropharynx
Pparachordal condensation (fusing occipital sclerotomes), pelvis of metanephric diverticlum, pericardio-peritoneal canal, pleuropericardial fold, postoptic recess, precardinal vein (internal jugular vein), presumptive external genitalia, primary bronchus, primordial olfactory artery, primordial pineal bud, primordial trigeminal artery, primordial urogenital sinus, pulmonary artery, pulmonary venous plexus
Rrhombencephalon (4th ventricle, fourth ventricle), rib blastema, rib primordium, right atrio-ventricular canal, right lower secondary bronchus, right truncus ridge, right upper secondary bronchus bud, roof plate of rhombencephalon, rootlets of vagus nerve (CN X)
Ssecondary bronchus bud, semicircle groove, sinu-atrial foramen, spinal nerve, spleen primordium, stem of anterior inferior cerebellar artery, stem of middle dural venous plexus, stem of primordial maxillary vein, subclavian vein, subthalamus, superior ganglion of glossopharyngeal nerve (CN IX), superior ganglion of vagus nerve (CN X), suprarenal gland primordium
TT-1 / T-2 interganglion space, T-10 / T-11 ganglion interspace, T-2 / T-3 interganglion space, T-3 / T-4 interganglion space, T-4 / T-5 ganglion interspace, T-5 / T-6 ganglion interspace, T-6 / T-7 ganglion interspace, T-7 / T-8 ganglion interspace, T-8 / T-9 ganglion interspace, T-9 / T-10 ganglion interspace, tailgut, tectum of mesencephalon (M1), third ventricle (3rd ventricle), tongue, torus hemisphericus, trabeculae, trabeculum, trigeminal nerve root (CN V)
Uumbilical intestinal loop, umbilical vesicle (yolk) stalk
Vventral mesentery, ventricular zone of spinal cord, vertebral centrum blastema, vestibulocochlear nerve (CN VIII)
141 structures

Carnegie Stage 1 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