pituitary and hypothalamus

Question 1

why do you have to break the seal when you drink? where is that hormone from?

Answer 1

alcohol supresses ADH/vasopressin
made in supraoptic and paraventricular nuclei
released from the posterior lobe of pituitary

Question 2

portal system of the hypothalamus - where is it?

Answer 2

between the hypothalamus and the cells of the anterior pituitary

Question 3

when a textbook says that something is “sexually dimorphic” what does that mean?

Answer 3

some nuclei of the hypothalamus are bigger in males than in females

Question 4

give some examples of “motivated behaviors”

Answer 4

lets eat!
lets drink!
lets take cover!
i’m cold ==> shiver

Question 5

hypothalamus is for ANS. in GENERAL which part is parasympathetic?

Answer 5

PSY = anterior part of hypothalamus eg. sweating
SYM = posterior part of hypothalamus eg. shivering

Question 6

three components of neornal response in hypothalamus

Answer 6

HUMORAL - endocrine
VISCEROMOTOR - modulation of ANS
SOMATIC motor - motivated behaviors to “get outta the heat” if you are too hot

Question 7

what body processes are the lateral hypothalamus parts involved in?

Answer 7

• it has a feeding center that stimulates APETITE