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Flashcards in Endocrine system Deck (11)
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1

What are the parts of the anterior pituitary gland?

- Pars distalis
- Pars tuberalis
- Pars intermedius

2

What are the parts of the posterior pituitary gland?

- Pars nervosa
- Infundibulum

3

What are the cells present in the anterior pituitary gland and the hormones secreted by them?

1. Somatotrophs (~50%): Growth hormone (GH)
2. Lactotrophs (~20%): Prolactin
3. Corticotrophs (~20%): Adrenocorticotrophic hormone (ACTH)
4. Thyrotrophs (~5%): Thyroid stimulating hormone (TSH)
5. Gonadotrophs (~5%): LH and FSH

4

What are the hormones secreted by the posterior pituitary gland?

1. ADH
2. Oxytocin

5

What structure connects the posterior pituitary to the hypothalamus?

Pituitary stalk

6

What are the types of cells present in the anterior pituitary gland?

1. Chromophobes
2. Chromophils

7

What are the structures present in the posterior pituitary gland?

1. Axons
2. Pituicytes

8

What are the types of cells found in the parathyroid glands?

1. Chief cells (secretes PTH)
2. Oxyphil cells

9

What types of cells make up thyroid follicles?

Cuboidal cells (columnar when stimulated)

10

What other cell type is present in thyroid glands?

C (parafollicular) cells

11

What are the layers of the adrenal cortex and their secretions?

1. Zona glomerulosa: Mineralocorticoids (e.g. aldosterone)
2. Zona fasciculata: Glucocorticoids (e.g. cortisol)
3. Zona reticularis: Androgens