Embryology Flashcards
Most common ectopic thyroid tissue site
Tongue
Anterior Midline Neck Mass that moves with swallowing or protrusion of tongue
Thyroglossal Duct Cyst
Embryologic Tissue that forms adrenal cortex
Mesoderm
Embryologic tissue that forms the adrenal medulla
Neural Crest
Part of Adrenal gland that produce hormones derived from cholesterol
Adrenal Cortex, the Zonas
Part of adrenal gland that secrete catecholamines like NE
Adrenal Medulla
Layers of Adrenal Cortex (top to bottom)
Zona glomerulosa, Zona Fasiculata, Zona Reticularia
Chromaffin Cells
Adrenal Medulla, preganglionic sympathetic fibers, NE and epinephrine
Episodic HTN
Pheochromocytoma (tumor of adrenal medulla)
Most common tumor of adrenal medulla in children
Neuroblastoma
Mineralocorticoids
Zona glomerulosa
Glucocorticoids
Zona Fasiculata
Androgens
Zona Reticularis
Drainage of Left Adrenal Gland
Lt adrenal v > left renal vein > IVC
Drainage of RIght Adrenal Gland
Right adrenal vein > IVC
Drainage of Left Gonadal Vein
Lt gonadal v > left renal vein > IVC
Drainage of Right Gonadal Vein
Right Gonadal vein > IVC
Neurophysins
Carrier proteins from hypothalamus to posterior pituitary
Embryologic derivative of Posterior pituitary
Neuroectoderm
Embryologic derivative of Anterior pituitary
Oral Ectoderm (Rathke Pouch)
Secreted from Posterior Pituitary
Vasopressin (ADH), Oxytocin
Secreted from Anterior PItuitary
FSH, LH, ACTH, prolactin, GH, melanotropoin, TSH
B-FLAT: basophilic are FSH, LH, ACTH, TSH
acidophilic: GH and prolactin
alpha cells in pancreas
glucagon (peripheral part of langerhans)
beta cells in pancreas
insulin (central part of langerhans)
