Skip Navigation

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 16

33rd ventricle roof
Aabdominal wall mesenchyme, abducens nerve (CN VI), afferent hepatic vein, alar plate (cerebellum), alar plate of metencephalon (cerebellum), anal fold, anal pit, aortic arch 6, aortic arch 6, aortic vestibule of left ventricle, aortic vestibule of right ventricle, aorticopulmonary septum, apex of urogenital sinus, archipallium, arm, ascending aorta, atrio-ventricular sulcus, atrioventricular sulcus, axial artery
Bbare area of liver, brachial artery, brachial plexus, lower trunk
CC-3 ventral primary ramus, C-4 spinal nerve dorsal ramus, C-5 ventral primary ramus, C-6 ventral primary ramus, C-7 ventral primary ramus (brachial plexus root), C-8 ventral primary ramus, caecum, cardiac prominence, carotid duct, celiac plexus, cerebral peduncle, cerebral vesicle (neopallium), cerebral vesicle (striatal part and suprastriatal part), cervical fold, cervical myotome, cloaca, urogenital sinus part of, closing membrane between pharyngeal groove 2 and pharyngeal pouch 2, cochlear duct, cochlear ganglion (CN VIII), cochlear part of otic vesicle, cochlear part of vestibulocochlear ganglion (CN VIII), communicating ramus, condensation around optic cup, continuity of floor plate, conus cordis (proximal outflow tract), conus cordis, undivided, cornu Ammonis, cystic duct
Ddeep lens epithelium, diencephalic artery, distal limb of herniated midgut, distal limb of midgut, dorsal fasciculus, dorsal intersegmental vein, dorsal mesentery mesoderm, dorsal mesentery of herniated midgut, dorsal mesentery of midgut, dorsal mesogastrium mesenchyme, dorsal part of mesencephalon (M1), dorsal primary ramus, dorsal ramus, dorsal sulcus, duodenum (endoderm)
Eefferent hepatic veins, endocardial cushions (gelatinous reticulum), epaxial muscle mass, epaxial part of myotome, epiglottis, epiglottis, mesenchymal condensation of, epithelial lamina of larynx, esophageal condensation, external carotid artery, extraocular premuscle mass
Ffemoral artery, femur, skeletal blastema, filum terminale, foramen cecum of tongue, forearm, forearm, skeletal blastema, fundus of stomach, fused endocardinal cushions (gelatinous reticulum)
Ggastroduodenal junction, glossopharyngeal nerve rootlets (CN IX), greater curvature, gyrus dentatus
Hhand plate of upper limb, hand plate, mesoderm condensation, hepatic part of inferior vena cava, hepatic portal vein, hepatic prominence, herniated midgut, herniated midgut mesenchyme, herniated midgut mesentery, horn of aortic sac, horn of urogenital sinus, hyaloid vessels in optic cup cavity, hypaxial part of myotome, hypoglossal nerve roots (CN XII)
Iincisure of stomach, infrahyoid premuscle mass, infundibular recess, infundibulum of right ventricle, intermaxillary segment, intersubcardinal anastomosis, interventricular septum, muscular part, isthmus
Jjugular lymph sac
LL-1 spinal nerve, L-1 ventral primary ramus, L-1 ventral root, L-2 dorsal root, L-2 myotome, L-2 spinal nerve, L-2 ventral primary ramus, L-2 ventral root, L-3 dorsal root, L-3 dorsal root / alar plate junction, L-3 spinal nerve, L-3 ventral primary ramus, L-3 ventral root, L-4 myotome, L-4 spinal nerve, L-4 ventral root, L-5 spinal nerve, L-5 ventral root, labioscrotal swelling, lateral atrioventricular endocardinal cushion, lateral coelomic bay, lateral lingual swelling of tongue, lateral rectus premuscle mass, left atrial wall, left hepatic duct, left horn of aortic sac, left lung, left subcardinal vein, left valve of sinus venosus, left vertebral artery, leg, lesser curvature, lesser sac (omental bursa), lower secondary bronchus bud, lumbar plexus, lumbosacral plexus
Mmamillary area of diencephalon, mammary ridge, mandibular prominence (pharyngeal arch 1), marginal ridge, marginal zone of diencephalon, marginal zone of retina, medial coelomic bay, medial eminence, medial thigh, median nerve, median sulcus, median sulcus in floor of 4th ventricle, median sulcus in floor of third ventricle, mesencephalic artery, mesencephalon, roof plate, mesenchymal condensation, mesenchymal condensation around stomach endoderm, mesenchymal condensation in midgut mesentery, mesencoel (cerebral aqueduct), mesentery of midgut, mesonephric capsule, mesonephric glomerulus, metanephrogenic blastema, middle cerebral artery, middle secondary bronchus bud, middle sulcus, midgut mesenchymal condensation, midgut mesentery, myelencephalic artery, myelencephalon, central canal
Nnaris, nasal (olfactory) placode, nasal capsule condensation, nasal fin, nasal sac, nasal sac epithelium, nasal sac lumen, neural arch, neural part of retina, neurohypophyseal bud, neurohypophysial bud
Ooccipital myotome, oculomotor nerve (CN III), olfactory filia (CN I), olfactory sac, ophthalmic nerve (CN V1), optic cup cavity, optic stalk lumen (optic ventricle), optic vesicle cavity, otic capsule condensation
Ppaleopallium, parachordal condensation (skeletal blastema of cranium), paraphyseal arch, pelvis, peritoneal cavity, pelvic par, pharyngeal condensation, pharyngeal pouch 3 (dorsal part of inferior parathyroid gland), pharyngeal pouch 3 (thymus gland), pharyngeal pouch 4 (dorsal part of inferior parathyroid gland), pharyngeal pouch 4 (ventral part), pharynx roof, pharynx, laryngeal part, phrenic nerve, pineal bud, pleuroperitoneal membrane, pleuroperitoneal opening, pneumo-enteric recess, pons, pons area of metencephalon, precartilage condensation of pharyngeal arch 1 (Meckel), precartilage condensation of pharyngeal arch 2 (Reichert), premuscle mass of tongue, primary interatrial foramen (foramen primum), primary interatrial septum (septum primum), primordial filum terminale, primordial meninx, primordial neural arch, primordial palatine process, primordial paramesonephric groove, primordial perineum, primordial pleural cavity, primordial renal pelvis, primordial urethral fold, prosencoel (3rd ventricle), prosencoel (lateral ventricle), proximal limb of herniated midgut, proximal limb of midgut, ptic chiasm, pulmogenic coat of right lung, pulmonary condensation, pulmonary trunk
Rradial nerve, rectum, recurrent laryngeal nerve, retina, neural layer, retina, neural part of, retina, pigmented layer, rhombic lip of metencephalon, rib 1 blastema, rib 10 blastema, rib 11 blastema, rib 12, rib 12 blastema, rib 2 blastema, rib 3 blastema, rib 4 blastema, rib 5 blastema, rib 6 blastema, rib 7 blastema, rib 8 blastema, rib 9 blastema, right hepatic duct, right lung, right pulmonary artery, right valve of sinus venosus, root of glossopharyngeal nerve (CN IX), rootlets of oculomotor nerve (CN III), roots of facial nerve (CN VII), roots of vestibulocochlear nerve (CN VIII)
SS-1 spinal nerve, S-1 ventral primary ramus, S-1 ventral root, S-2 spinal nerve, S-2 ventral primary ramus, S-2 ventral root, S-3 spinal nerve, S-4 spinal nerve, S-5 / Co-1 interganglion space, sacral plexus, sclerotome, dense caudal part, sclerotome, loose cephalic part of, secondary interatrial septum (septum secundum), semicircular groove, sinu-atria foramen, skeletal blastema of humerus, skeletal blastema of radius, skeletal blastema of ulna, spleen, splenic artery, splenic vein, sternocleidomastoid / trapezius premuscle mass, subclavian artery, superior laryngeal nerve, superior mesenteric vein, superior mesenteric vessels, suprarenal medulla, sympathetic trunk
TT-1 dorsal primary ramus, T-1 dorsal root, T-1 intercostal nerve, T-1 spinal nerve, T-1 ventral primary ramus (brachial plexus root), T-1 ventral root, T-10 dorsal root, T-10 intercostal nerve, T-10 spinal nerve, T-10 ventral root, T-11 ventral root, T-11 dorsal root, T-11 spinal nerve, T-12 dorsal root, T-12 spinal nerve, T-12 subcostal nerve, T-12 ventral root, T-2 dorsal root, T-2 intercostal nerve, T-2 spinal nerve, T-2 ventral root, T-3 dorsal primary ramus, T-3 dorsal root, T-3 intercostal nerve, T-3 spinal nerve, T-3 ventral primary ramus, T-3 ventral root, T-4 ventral root, T-4 dorsal primary ramus, T-4 dorsal root, T-4 intercostal nerve, T-4 spinal nerve, T-5 dorsal root, T-5 intercostal nerve, T-5 spinal nerve, T-5 ventral root, T-6 dorsal root, T-6 intercostal nerve, T-6 spinal nerve, T-7 intercostal nerve, T-7 spinal nerve, T-7 ventral root, T-8 dorsal primary ramus, T-8 dorsal root, T-8 spinal nerve, T-8 ventral root, T-9 dorsal primary ramus, T-9 dorsal root, T-9 intercostal nerve, T-9 spinal nerve, T-9 ventral root, tectum of mesencephalon (M2), terminal branches of facial nerve (CN VII), terminal branches of mandibular nerve (CN V3), terminal branches of maxillary nerve (CN V2), terminal part of glossopharyngeal nerve (CN IX), thigh, thoracic wall, thyroid gland, lateral part, trachea (endoderm), tracheal condensation, transverse sinus, trigeminal ganglion (CN V), motor root of, trigeminal nerve (CN V), motor root of, trigeminal root (CN V), trochlear nerve (CN IV), trochlear nerve rootlets (CN IV), truncus arteriosus (distal outflow tract), truncus arteriosus, undivided, tuberculum olfactorium, tubule entering mesonephric duct
Uulnar nerve, umbilical vein (left umbilical vein), upper secondary bronchus bud, urethral groove
Vventral (hypothalamic) sulcus, ventral atrioventricular endocardial cushion, ventral mesogastrium (falciform ligament), ventral primary ramus, ventral ramus of C-4 spinal nerve, vestibular ganglion (CN VIII)
374 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