Topic 18: Endocrine System - Tissues Flashcards
1
Q
What are endocrine tissues?
A
- endocrine function in organs that have other functions as well
2
Q
what are the pancreatic islets of Langerhans? ie. what are the cell types (2)
A
- 4 cell types (we cover 2)
- a-cells
- b-cells
3
Q
What do a-cells produce? (2)
A
- glucagon
increases blood glucose
4
Q
What do b-cells produce? (2)
A
- insulin
decreases blood glucose
5
Q
what is the function of the hypothalamus?
A
Regulate anterior pituitary
6
Q
via which hormones does the hypothalamus regulate the anterior pituitary?
A
- GHRH (GH releasing hormone)
- GHIH (GH inhibiting hormone)
- GnRH (Gonadotropin releasing hormone)
- FSH + LH
7
Q
Which cells produce testosterone?
A
Leydig cells in testes
8
Q
Which cells produce estrogen in the ovaries? (3)
A
- cells of secondary oocytes
- vesicular follicles
- corpus luteum
9
Q
Which cells produce testosterone in the ovaries?
A
- corpus luteum
10
Q
What hormone does the duodenum secrete?
A
secretin
11
Q
What hormone does the kidney secrete?
A
renin
12
Q
What hormone does the skin secrete?
A
Vitamin D
13
Q
What hormone does the heart secrete?
A
atrial natriuretic peptide (ANP)
