Which pituitary cell type is responsible for secreting growth hormone?

Study for the NBME Histology Test. Access flashcards and multiple choice questions, each with hints and explanations. Prepare effectively for your exam!

Multiple Choice

Which pituitary cell type is responsible for secreting growth hormone?

Explanation:
Growth hormone is produced by somatotrophs, the GH-secreting cells of the anterior pituitary. These cells are stimulated by hypothalamic GHRH to release GH and inhibited by somatostatin. GH acts to promote growth and metabolic effects, with IGF-1 from the liver providing feedback. Other pituitary cell types include lactotrophs (prolactin), thyrotrophs (TSH), corticotrophs (ACTH), and gonadotrophs (FSH/LH), but none of these produce growth hormone.

Growth hormone is produced by somatotrophs, the GH-secreting cells of the anterior pituitary. These cells are stimulated by hypothalamic GHRH to release GH and inhibited by somatostatin. GH acts to promote growth and metabolic effects, with IGF-1 from the liver providing feedback. Other pituitary cell types include lactotrophs (prolactin), thyrotrophs (TSH), corticotrophs (ACTH), and gonadotrophs (FSH/LH), but none of these produce growth hormone.

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