Chapter 17, Problem 4RQ

Endocrine cells secrete either protein hormones or steroid hormones. For each endocrine cell described, indicate whether it produces (a) a protein hormone or (b) a steroid hormone.

$\text{\_\_\_\_}$ (1) any endocrine cell in the pars distalis

$\text{\_\_\_\_}$ (2) interstitial cell in the testis

$\text{\_\_\_\_}$ (3) parathyroid cells in the parathyroid gland

$\text{\_\_\_\_}$ (4) zona fasciculata cell

$\text{\_\_\_\_}$ (5) follicle cell in the ovary that secretes sex hormones

$\text{\_\_\_\_}$ (6) parafollicular cells in the thyroid gland