Match each term with the appropriate description.

Part A

A. peptide hormone

B. steroid hormone

C. amino acid-derived hormone

D. anterior pituitary

E. hypothalamus

F. posterior pituitary site of vasopressin synthesis

Part B

1. lipophobic molecule that interacts with receptors on cell surface

2. site of vasopressin synthesis

3. true endocrine gland of epithelial origin

4. cannot be stored in secretory vesicles

5. derivatives of tyrosine

6. storage and release site for oxytocin

A = 1

B = 4

C = 5

D = 3

E = 2

F = 6

Explanation:

A) Peptide hormones are not lipid soluble hence known as lipophobic and cannot diffuse through cell membranes examples of peptide hormones include luteinizing hormones, thyroid stimulating hormones, insulin and follicle-stimulating hormones.

B) Steroid hormones can not stored in secretory vesicles because of their lipophilic nature.

C) Amino acid-derived hormone are the hormones which are derived from tyrosine and tryptophan.

D) Anterior pituitary lobe of Pituitary gland is true endocrine gland of epithelial origin.

E) Hypothalamus produce screates six hormones in which vasopressin is also synthesized.

F) Posterior pituitary is responsible for storage and release site for oxytocin