Pituitary Gland Histology Flashcards Preview

HRM - Anatomy/Embryology/Histology > Pituitary Gland Histology > Flashcards

Flashcards in Pituitary Gland Histology Deck (29):
1

Which glands make amino acid derivative hormones?

Pituitary, thyroid, parathyroid, pancreatic islets

2

Which glands make cholesterol derivative hormones?

Gonads, adrenal cortex

3

Which portions of the pituitary come from Rathke's pouch?

Pars distalis, pars intermedia, pars tuberalis

4

Which portions of the pituitary come from the diencephalon?

Pars nervosa, infundibulum

5

What is the artery that goes into the anterior lobe?

Superior hypophysial artery

6

What structures make up the "Anterior lobe"?

Pars tuberalis, pars distalis

7

What structures make up the "Posterior lobe"?

Pars nervosa, infundibulum

8

What artery supplies the inferior pituitary?

Lateral and medial branches of inferior hypophyseal artery

9

What drains the blood from the pituitary?

Hypophyseal veins

10

What does the pars distalis look like?

Cords of irregular cells
Sinusoidal capillaries
Colloid

11

What two cell types are the prevalent cells of the pars distalis?

Chromophobes, chromophils

12

What endocrine cells are acidophils in the pars distalis?

Somatotrophs
Mammotrophs

13

What do mammotrophs produce?

Prolactin

14

What do somatotrophs produce?

Gonadotropin
Somatotropin

15

What endocrine cells are basophils in the pituitary gland?

Thyrotrophs
Gonadotrophs
Corticotrophs

16

What do thyrotrophs produce?

TSH

17

What do gonadotrophs produce?

Follicle stimulating hormone
Luteinizing hormone

18

What do Corticotrophs produce?

Adrenocorticotropic hormone
Melanocyte-stimulating hormone

19

What is the male version of luteinizing hormone called?

Interstitial stimulating hormone (ICSH)

20

What are rathke's cysts and where are they located?

Remnants of Rathke's pouch
In Pars Intermedia

21

What are Rathke's cysts often filled with?

Colloid

22

What do cells in the pars tuberalis contain?

FSH and LH

23

What do cells in the paraventricular nucleus produce?

Oxytocin

24

What do cells in the supraoptic nucleus produce?

ADH

25

Where do neurosecretory vesicles accumulate?

Dilated terminals next to capillaries (Herring Bodies)

26

What are the supportive cells around the pars nervosa called?

Pituicytes

27

What are pituitary cells most similar to?

Astrocytes

28

If you see nuclei on a slide of the pars nervosa, what is it?

Pituicytes

29

What cells are affected by oxytocin?

Myoepithelial cells of the alveoli and alveolar ducts in mammary glands