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Embryologic Derivs

Embryological Derivatives (Endo, Ecto, Mesoderm)

adenohypophysis (rathke's pouch) surface ectoderm
lens of eye surface ectoderm
epithelial lining of oral cavity surface ectoderm
sensory organ of ear, retina, and olfactory epithelium surface ectoderm
epidermis surface ectoderm
salivary, sweat, and mammary glands surface ectoderm
neurohypophysis neuroectoderm (makes brain in general)
CNS neurons neuroectoderm (makes brain in general)
oligodendrocytes neuroectoderm (makes brain in general)
astrocytes neuroectoderm (makes brain in general)
ependymal cells neuroectoderm (makes brain in general)
pineal gland neuroectoderm (makes brain in general)
retina neuroectoderm (makes brain in general)
spinal cord neuroectoderm (makes brain in general)
ANS neural crest
neural crest ANS, dorsal root ganglia, cranial nerves, celiac ganglion, melanocytes, chromaffin cells, enterochromaffin cells, parafollicular (C) cells of thyroid, schwann cells, pia and arachnoid, bones of skull, odontoblasts, laryngeal cartilage, aorticopulm septum
dorsal root ganglia neural crest
cranial nerves neural crest
bones of skull neural crest
melanocytes neural crest
celiac ganglia neural crest
chromaffin cells of adrenal medulla neural crest
enterochromaffin cells neural crest
odontoblasts neural crest (think "CREST toothpaste for teeth")
parafollicular C cells of thyroid neural crest
schwann cells neural crest
pia neural crest
arachnoid neural crest
laryngeal cartilage neural crest
aorticopulmonary system neural crest
In general: neural crest is ___ nervous system and non-____ structures nearby peripheral (PNS), non-neural structures nearby
Neuroectoderm: in general, ___ nervous system and ___ central (CNS)and brain
Endoderm gut tube epithelium and derivatives (liver, lungs, pancreas, thymus, parathyroid, thyroid follicular cells)
gut tube epithelium endoderm
liver endoderm
pancreas endoderm
lungs endoderm
thymus endoderm
follicular cells of thyroid endoderm
parathyroid gland endoderm
mesoderm muscle, bone, CT, serous linings (e.g. peritoneum), spleen (foregut mesentery), cardiovascular structures, lymphatics, blood, urogenital structures, kidney, adrenal cortex
muscle mesoderm
bones mesoderm
connective tissue mesoderm
spleen mesoderm (foregut mesentery)
cardiovascular structures mesoderm
kidneys mesoderm
urogenital structures mesoderm
blood mesoderm
lymphatics mesoderm
adrenal cortex mesoderm
notochord - what it do? induces ectoderm to form neuroectoderm (neural plate). postnatal derivative is nucleus pulposus of intervertebral disk
nucleus pulposus notochord
mesodermal defects VACTERL: vertebral defects, anal atresia, cardiac defects, tracheo-esophageal fistula, renal defects, limb defects (bone and muscle)
serous linings of body cavities mesoderm
craniopharyngioma - defect in what? what kind of tumor? describe it. benign rathke's pouch tumor with cholesterol crystals and calcifications
rathke's pouch tumor with cholesterol crystals and calcifications craniopharyngioma - benign
Created by: pecanpie792