Endocrinology (2A)

Question 1

The lower part of the hypothalamus is the ___ eminence.

Answer 1

median

Question 2

The stalk is known as the ____.

Answer 2

Infundibulum

Question 3

The posterior pituitary is known as ___.

Answer 3

Neurohypophysis

Question 4

Anterior pituitary is known as the _____. Its ____ is different from the posterior pituitary.

Answer 4

Adnenohypophysis, evolution

Question 5

Hypothalamus have ___ cells and they act as ____ neurons. They secrete neuro____.

Answer 5

neuronal, neurosecretory, hormones

Question 6

The neurohormones in the anterior pituitary have ___ axons and end on the medial ____.

Answer 6

short, eminence

Question 8

At the medial eminence, the arteries break down in ____ and allow blood flow.

Answer 8

capillaries

Question 9

The hypothalamic-______ portal system is what is found in the ____ and is what connects to the anterior pituitary.

Answer 9

hypophyseal, stalk

Question 10

Once the hormones are secreted into the ___ plexus, it will travel into the portal system and regulate the ___ cells in the anterior pituitary.

Answer 10

primary, endocrine

Question 11

The hormone that travels through the portal system will allow the ___ cells to release their own hormones into the ___ plexus.

Answer 11

endocrine, secondary

Question 12

The neural hormones is therefore a __ hormone for the endocrine cells.

Answer 12

Trophic

Question 14

In the posterior pituitary, the neurosecretory neurons are much ___ in length and does not go through a ___ system.

Answer 14

longer, portal

Question 15

The axons will travel through the hypothalamic-____ pituitary stalk which inserts into the posterior pituitary.

Answer 15

posterior

Question 16

There are two types of neurosecretory neurons in the posterior pituatary and hypothalamus system:

Answer 16

• paraventricular nucleus
• supraoptic nucleus

Question 17

The paraventricular nucleus is mainly responsible for ___ release.

Answer 17

oxytocin

Question 18

The supraoptic nucleus is mainly responsible for ___ release

Answer 18

ADH

Question 19

Acronym to remember the two types of neurosecretory neurons in the posterior pituitary:

Answer 19

POSA

Question 20

T/F: Hormones can be interchangably released from the two types of neurosecretory neurons.

Answer 20

T

Question 21

There are no ___ cells in the posterior pituitary and it immediately will dump into the systemic ___ flow.

Answer 21

endocrine, venous

Question 22

T/F: The posterior pituitary functions as a direct pathway to the venous system.