MasteryExams
General Science • BiologyHard

Which human endocrine gland originates partly from the neural crest and partly from coelomic epithelium, producing glucocorticoids and mineralocorticoids?

A. Thyroid gland
B. Adrenal gland✓ Correct Answer
C. Pituitary gland
D. Pineal gland

💡 Solution & Explanation

The adrenal gland consists of an outer cortex derived from mesoderm and an inner medulla derived from neural crest cells, collectively synthesizing vital steroid and catecholamine hormones. The thyroid gland develops from an endodermal invagination in the floor of the pharynx, producing thyroxine and calcitonin. The anterior pituitary originates from an ectodermal diverticulum of the embryonic pharynx known as Rathke pouch. The pineal gland develops as an evagination of the posterior diencephalon and secretes melatonin.

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