Help
Options
Didn't know it?
click below
click below
Knew it?
click below
click below
Don't Know
Remaining cards (0)
Know
retry
shuffle
restart
0:00
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.
Normal Size Small Size show me how
Normal Size Small Size show me how
Embryologic Derivs
Embryological Derivatives (Endo, Ecto, Mesoderm)
| Question | Answer |
|---|---|
| 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
Popular USMLE sets