Feb 2024 Update: 9 Which of the following is true regarding endocrine organ histology? a. The thyroid gland consists of rings of stratified

Question

9 Which of the following is true regarding endocrine organ histology? a. The thyroid gland consists of rings of stratified cuboidal follicle cells surrounding colloid. b. The pancreas has an exocrine portion consisting of pancreatic islets and an endocrine portion consisting of acinar cells. c. The adrenal cortex has three zones of cells that secrete steroid hormones d. The adrenal medulla is modified nervous tissue of the parasympathetic nervous system.

Asked By StarGazer27 at 05 Feb 2024

Answered By Expert

Nathan

Expert · 1.5k answers · 1k people helped

Step 1/2

The adrenal cortex has three zones of cells that secret steroid hormones.

Explanation:

The adrenal cortex itself is divided into three zones: the zona glomerulosa, the zona fasciculata and the zona reticularis. The adrenal cortex produces three main types of steroid hormones: mineralocorticoids, glucocorticoids, and androgens.

Step 2/2

Option a is incorrect as thyroid gland consists of thyroid follicles, which are made up of columnar epithelial cells.

Option b is incorrect as the exocrine portion of pancreas is made up of acinar cells and the endocrine portion of pancreas is made up of pancreatic islets, that is islets of langerhans.

Option c is correct

Option d is incorrect as adrenal medulla is a part of sympathetic nervous system not parasymoathetic nervous system.

Final Answer

Thus, option C is true regarding endocrine organ histology.

The adrenal cortex has three zones of cells that secrete steroid hormones, which includes zona glomerulosa produces mineralocorticoids mainly aldosterone, zona fasciculata produces glucocorticoids and zona reticularis produces androgens.

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