Histology: Endocrine System

Question 1

List the two cell types of the parathyroid glands.

Answer 1

• Chief Cells

- Oxyphil Cells

Question 2

What is a Hering body?

Answer 2

Hering bodies are large dilated axon terminal endings that are filled with accumulated neurosecretory granules seen in the posterior pituitary

Question 3

List the hormone produced by the parafollicular cells of the thyroid gland.

Answer 3

Calcitonin

Question 4

List the substances secreted by the chromaffin cells of the adrenal medulla.

Answer 4

• Epinephrine

- Norepinephrine

Question 5

How does the anterior pituitary stain?

Answer 5

Red-blue

Question 6

How does the posterior pituitary stain?

Answer 6

Pale

Question 7

What are the 3 cell types in the anterior pituitary?

Answer 7

• Chromophobes
• Acidophils
• Basophils

Question 8

What do acidophils secrete?

Answer 8

Acidophils secrete growth hormone and prolactin

Question 9

What do basophils secrete?

Answer 9

Basophils secrete TSH, LH and FSH and ACTH

Question 10

What hormones does the posterior pituitary secrete?

Answer 10

• ADH

- Oxytocin

Question 11

How do thyroid follicles appear?

Answer 11

Filled with pink colloid

Question 12

What are parafollicular cells of they thyroid AKA?

Answer 12

C-cells

Question 13

What do chief cells of the PT secrete?

Answer 13

Parathyroid Hormone

Question 14

What does the zona glomerulosa secrete?

Answer 14

Mineralocorticoids - aldosterone

Question 15

What does the zona fasciculata secrete?

Answer 15

Glucocorticoids - cortisol

Question 16

What does the zona reticularis secrete?

Answer 16

DHEA - androgens

Question 17

What do alpha cells of the pancreas secrete?

Answer 17

Glucagon

Question 18

What do beta cells of the pancreas secrete?

Answer 18

Insulin

Question 19

What do delta cells of the pancreas secrete?

Answer 19

Somatostatin