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12 Cards in this Set

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Neural Crest
PNS: CNs III-XII, spinal nerves, ganglia (cranial: V, VII, IX, X; spinal: dorsal root; autonomic: sympathetic and parasympathetic), schwann cells, sensory and motor nerve endings NEWLINE melanocytes, chromaffin cells, enterochromaffin cells, adrenal medulla, parafollicular C-cells in thyroid, heart (valves, cardiac skeleton, pulmonary trunk, chorda tendinae, ascending aorta, cushions, membranous atrial and ventricular septae), corneal endothelium
Neural Tube
CNS: Brain, spinal cord, neuroglia, ependyma, CNs I and II, posterior pituitary, pituicytes, hypothalamus, thalamus, pineal gland
Surface Ectoderm
epidermis; hair; nails; glands' anterior pituitary; gonadotropic, somatotropic, folliculostellate, precursor, thyrotropic, corticotropic, and mammotropic cells; lens; cornea; enamel
Sclerotome + neural crest
Cervical, Thoracic, Lumbar, & Sacral mesenchyme forms bone, cartilage, CT, BVs, LVs of axial and appendicular skeletons, leptomeninges (pia and arachnoid) covering the spinal cord
Myotome + neural crest
Cervical, Thoracic, Lumbar, & Sacral mesenchyme forms skeletal muscle, BVs, LVs of axial and appendicular skeletons
Dermatome + neural crest
Cervical, Thoracic, Lumbar, & Sacral mesenchyme forms dermis, connective tissue, BVs, LVs of axial and appendicular skeletons
Lateral Plate Somatic Mesoderm
bone, cartilage, dermis, CT, skeletal muscle, BVs, LVs of trunk
Lateral Plate Splanchic Mesoderm
Stroma: smooth muscle, fat, connective tissue, fibroblasts, BVs. LBs for respiratory, lower 1/3 of esophagus, stomach, small intestine, appendix, large intestine, colon, rectum, liver, gall bladder, pancreas, urinary bladder NEWLINE Heart: endocardium, myocardium, pericardium, epicardium, endothelium NEWLINE intra-embryonic blood formation of RBCs & WBCs begins @ week 5 NEWLINE Spleen: parenchyma: red pulp, whilte pulp; stroma: capsule, trabeculae NEWLINE Adrenal Cortex: parenchyma: z. fasciculata, z. glomerulosa, z. reticularis; stroma: capsules and BVs
Intermediate Mesoderm - Urogenital - Urinary
Kidney dev. from uteric bud and IM; collection tubes, calices, renal pelvis, and ureter development from uteric bud; UB endoderm
Intermediate Mesoderm - Urogenital - Genital
Gonads (with LP Splanchic Mesoderm - mesothelium and germ cells - sperm and ova) NEWLINE indifferent gonad = LP splanchnic mesoderm + IM with cortex and medulla NEWLINE XY embryo: medulla develops into testes, cortex regresses NEWLINE XX embryo: cortex develops into ovary, medulla regresses
Endoderm
Parenchyma: thyroid gland; respiratory system; GI system; NEWLINE lining of pharyngeal pouches: I - middle ear; II - pharyngeal tonsils, III- thymus and inferior parathyroids, IV - superior parathyroids; NEWLINE ultimo-branchial bodies, parafollicular C-cells of thyroid
Extra-embryonic splanchnic mesoderm
Hofbauer cells