Endocrine gland histo Flashcards Preview

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Flashcards in Endocrine gland histo Deck (17):
1

somatotrophs secrete ___ released by ____

somatotrophs secrete Growth hormone released by GHRH and GIH

2

lactotrophs secrete _____ released by ____

lactotrophs secrete prolactin releasaed by PIH

3

corticotrophs secrete _____ released by ____

ACTH released by CRH

4

thyrotrophs secrete _____ released by ____

TSH released by TRH

5

gonadotrophs secrete _____ released by ____

FSH and LH released by GnRH

6

herring body

dilatoation filled with neurosecretion adjacent to capillaries in non-myelinated axons in posterior pituitary

7

releasing hormones delivered to ant pituitary via

hypothalamo-hypophyseal portal system 

8

____ surround the pituitary stalk drain the capillary plexus in the meian eminence

long portal vessel

9

Thyroid epithelial cells secrete:

 

 

Parafollicular / C cells secrete

Epithelial - thyroglobulin

triodothyronine (T3)

Thyroxine (T4)

 

Parafollicular - Calcitonin

10

thyroid arterial supply

subclavian

external carotid

11

parathyroid chief cells secrete 

parathyroid hormone

12

large, eosinophilic parathyroid cells with small nuclei + many mitochondria

 

increase with age

oxyphil cell

13

zona glomerulosa secretions

 

control via ___

mineralcorticoids

(aldosterone, deoxycorticosterone)

 

control via Renin-angiotensin system

14

zona fasciculate secretions

 

control via

gluccocorticoids 

(cortisol, coticosterone)

 

control via ACTH

 

15

zona reticularis secretions 

adrogenic steroids

(some gluccocorticoids)

16

zones of adrenal cortex

Zona glomerulosa

zona fasciculata

zona reticularis

17

contained in thyroid follicles 

thyroglobulin