Endocrine Flashcards
The nervous system can react quickly, while the endocrine system is useful for …
sustained regulation
The nervous system is faster because it uses the action potential to relay information from cell to cell, while the endocrine system uses …
circulation of the blood
Endocrine organs are generally … that originate from tubular evaginations of epithelial-lined cavities. Endocrine cells thus have an epithelial-like arrangement, which is closely opposed to blood vessels.
ductless glands
The effects of water-soluble hormones are generally … than the effects of water-insoluble hormones.
shorter lasting
What kind of receptors do hydrophilic hormones use?
cell-surface receptors
What kind of receptors do hydrophobic hormones use?
carrier protein, intracellular receptors
Polypeptide hormones are stored in … until the endocrine cell is triggered to release the hormones.
secretory vesicles
The pituitary gland sits in the sella turcica and is attached to the hypothalamus by the …
infundibular stalk or stem
The pituitary gland is located between what 2 things?
mammillary bodies and optic chiasm
The pituitary gland develops from what ectoderm?
neural (posterior) and oral ectoderm (anterior) buds that twist around each other.
A space is left in the oral ectoderm of the pituitary gland called …
Rathke’s pouch
What are the 2 distinct lobes o the pituitary?
andenohypophysis and the neurohypophysis
The pituitary gland is surrounded by a connective tissue capsule, and the parenchyma is supported by thin wisps of …
reticular fibers