Endocrine Definitions

Question 1

Goiters

Answer 1

An enlargement of the thyroid gland resulting from insufficient iodine in the diet

Question 2

C - cells

Answer 2

Parafollicular cells; found in the connective tissue between the follicles; makes calcitonin

Question 3

Renin

Answer 3

An enzyme produced by the kidneys when blood pressure drops; causes the release of aldosterone

Question 4

Angiostensin II

Answer 4

A potent stimulator of aldosterone release

Question 5

Catecholamines

Answer 5

Epinephrine and norepinephrine

Question 6

Pancreatic islets

Answer 6

Best hidden endocrine glands; masses of hormone-producing tissue scattered in the pancreas

Question 7

Beta cells

Answer 7

Release insulin when there are high levels of glucose in the blood

Question 8

Alpha cells

Answer 8

Released from the pancreas when there are low levels of glucose in the blood

Question 9

Corpus luteum

Answer 9

Glandular structure of the ovaries that produces progesterone

Question 10

Human chorionic gonadotropin (HcG)

Answer 10

Produced by the embryo and by the fetal part of the placenta; what indicates pregnancy

Question 11

Follicles in the thyroid

Answer 11

Hollow structures that contain a sticky colloidal material