Disorders of Anterior Pituitary and Hypothalamus - Prolactin

10 important questions on Disorders of Anterior Pituitary and Hypothalamus - Prolactin

Where is Prolactine synthesized?

In lactinothropic cells

Which hormone influences the PRL production?

Estrogen

What makes PRL unique compared to other anterior pituitary hormones?

It has a dominant inhibitor (dopamine)
  • Higher grades + faster learning
  • Never study anything twice
  • 100% sure, 100% understanding
Discover Study Smart

Does sucking-induced prolactine secretion stay for a prolonged time?

It's effect fades away slowly

What is the main function of Prolactine?

  • inducing and maintaining lactation
  • suppress sexual drive

Why does prolactine inhibit reproductive functions?

To make sure the mother nurtures the new born child.

What are the five causes of hyperprolactinemia?

  • physiological hypersecretion
  • hypothalamic-pituitary stalk damage
  • pituitary hypersecretion
  • systemic disorders
  • drug-induced hypersecretion

What are the hallmarks of hyperprolactinemia? In women? and in men?

Women
  • amenorrhea
  • galactorrhea
  • infertility
Men
  • decreased libido
  • infertility
  • visual loss

How is a microadenoma classified? and a macroadenoma?

<1cm in diameter and >1 cm in diameter

Above what serum level of prolactine is prolactinoma considerable?

>200microgrammes / L

The question on the page originate from the summary of the following study material:

  • A unique study and practice tool
  • Never study anything twice again
  • Get the grades you hope for
  • 100% sure, 100% understanding
Remember faster, study better. Scientifically proven.
Trustpilot Logo