Part 2

Question 1

Endocrine organs of the brain

Answer 1

Hypothalamus
Pineal gland
Pituitary gland

Question 2

Pineal gland

Answer 2

• lies in posterior portion of roof of third ventricle
• contains pinealocytes
  -synthesizes hormone melatonin(biological clock)

Question 3

Hypothalamus

Answer 3

-works with Pituitary to maintain homeostasis
- releases hormones to Pituitary using hypophyseal portal system
-directly connected to posterior Pituitary infundibulum

Question 4

Oxytocin

Answer 4

• stimulates uterine contractions
  -promotes milk when suckling of breasts
• important for social bonding

Question 5

ADH

Answer 5

• releases in osmotic pressure to conserve water also known as vasopressin

Question 6

Two classes of hypothalamic regulatory

Answer 6

1. Releasing hormones
2. Inhibiting hormones

Question 7

Releasing hormones (RH)

Answer 7

-stimulates synthesis and secretion of one or more anterior lobe
- inhibiting hormones- prevent synthesis and secretion of hormones from anterior lobe
Rate is controlled negative feedback

Question 8

Pancreas lies between

Answer 8

Inferior border of stomach and proximal portion of small intestine
Contains exocrine and endocrine cells

Question 9

pancreatic acini

Answer 9

Exocrine cells of pancreas
-secrete digestive enzymes