Pituitary Relationship With Hypothalamus

Which hormones have no hypothalamic releasing and inhibiting hormones?

oxytocin and antidiuretic hormone (ADH)

The posterior pituitary hormone does not have hypothalamic releasing and inhibiting hormones because it is __________________ with the hypothalamus.

continuous

What is/are the hypothalamic hormones released by the anterior pituitary growth hormone?

Growth hormone releasing hormone (GHRH), Growth hormone inhibiting hormone (GHIH)

What is another name for the growth hormone inhibiting hormone (GHIH)?

somatostatin

What is/are the hypothalamic hormones released by the anterior pituitary prolactin hormone?

Prolactin releasing factor, Prolactin inhibiting hormone (PIH)

What is another name for the Prolactin inhibiting hormone (PIH)?

dopamine

What is/are the hypothalamic hormones released by the anterior pituitary Thyroid stimulating hormone (TSH)?

Thyrotropin-releasing hormone (TRH)

What is/are the hypothalamic hormones released by the anterior pituitary adrenocorticotropic hormone (ACTH)?

corticotropin-releasing hormone (CRH)

What is/are the hypothalamic hormones released by the anterior pituitary follicle stimulating hormone (FSH) — ovaries and testes?

Gonadotropin releasing hormone (GnRH)

What is/are the hypothalamic hormones released by the anterior pituitary luteinizing hormone (LH) — ovaries and testes?

Gonadotropin releasing hormone (GnRH)

Regulation of the pituitary gland by the hypothalamus is done via FEEDBACK LOOPS usually ____________.

negative

Low blood levels of T3 and T4 or low metabolic rate stimulate release of what?

TRH

TRH is carried via portal veins to anterior pituitary stimulating the release of what by thyrotrophs?

TSH

TSH released into blood stimulates what?

thyroid follicular cells

T3 and T4 are released into blood by what?

follicular cells

Elevated levels of T3 __________ the release of TRH and TSH (negative feedback).

inhibit