Endocrine Flashcards Preview

Histology > Endocrine > Flashcards

Flashcards in Endocrine Deck (13):
1

The nervous system can react quickly, while the endocrine system is useful for ...

sustained regulation

2

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

3

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

4

The effects of water-soluble hormones are generally ... than the effects of water-insoluble hormones.

shorter lasting

5

What kind of receptors do hydrophilic hormones use?

cell-surface receptors

6

What kind of receptors do hydrophobic hormones use?

carrier protein, intracellular receptors

7

Polypeptide hormones are stored in ... until the endocrine cell is triggered to release the hormones.

secretory vesicles

8

The pituitary gland sits in the sella turcica and is attached to the hypothalamus by the ...

infundibular stalk or stem

9

The pituitary gland is located between what 2 things?

mammillary bodies and optic chiasm

10

The pituitary gland develops from what ectoderm?

neural (posterior) and oral ectoderm (anterior) buds that twist around each other.

11

A space is left in the oral ectoderm of the pituitary gland called ...

Rathke's pouch

12

What are the 2 distinct lobes o the pituitary?

andenohypophysis and the neurohypophysis

13

The pituitary gland is surrounded by a connective tissue capsule, and the parenchyma is supported by thin wisps of ...

reticular fibers