Chapter 26 Flashcards
Pituitary gland previously called
Hypophysis
Pituitary gland is attached to the hypothalamus by
The infindibulum
Pituitary gland composed of what two seperate glands
Anterior pituitary gland (adenohypophysis)
Posterior pituitary gland (neurohypophysis)
Anterior pituitary gland reffered to as ________
Has many ________ which have an effecto n the _______
Master gland
Tropic hormones: have a stimulating effect on other endocrine glands
GH (growth hormone) aka
Somatotropin
Growth hormone promotes
Growth by stimulating liver and other tissue to produce another hormone called insulin like growth factor
Growth hormone accelerates
Amino acid transport into the cell
Growth hormone shifts cell chemistry towards ___________ called _______
Lipid catabolism called gluconeogenesis
Prolactin also called
Lactogenic hormone
Prolactin stimulates ____ and _____
Breast development during pregnancy
Stimulates secretion of breast milk after the delivery of the baby
4 types of tropic hormones
Thyroid stimulating hormone (thyrotropin)
Adrenocorticotropic hormone (adrenocorticotropin)
Follicle stimulating hormone
Luteinizing hormone
Thyroid stimulating hormone (thyrotropin)
Acts on thyroid gland
Promotes and maintains growth and development of thyroid gland
Stimulates thyroid to secrete hormone
Adrenocorticotropic hormone
Acts on adrenal cortex
Promotes and maintains normal growth and development of the adrenal cortex
Stimulates adrenal cortex to secrete some of its hormones
Follicle stimulating hormone acts on
Male and female gonads
Luteinizing hormone and follicle stimulating hormone are called
Gonadotropins
In females lutenizing hormone stimulates
The formation and activity of the corpus lutem in the ovary after a follicle ruptures (luteinization)
Hypophyseal portal system controls ____________ secretion
Adenohypophysis
Cell bodies of neurons in certain parts of the hypothalamus synthesize chemicals called
Releasing hormones
Releasing hormone entre the blood via the _____________ which carries them to the adenohypophysis
PHYOPHYSEAL portal system
the __________ contains the target cells of the releasing hormones
Adenohypophysis
Secretions of the adrenohypophysis are controlled by the ________
Hypothalamus
Posterior pituitary serves as
A storage and release site for 2 hormones with are made in the hypothalamus
- ADH (antidiuretic hormone)
- OT (oxytocin)
Neuron cell bodies in the hypothalamus produce
ADH and OT
Release of OT and ADH is controled by
Nervous stimulation
Antidiuretic hormone (ADH) aka
Vasopressin
ADH primarily targets
Kidneys
Accelerates water absorption in the kidney tubules into the blood = increased water retention
Oxytocin causes (4)
Uterus to contract at birth
Breast ducts to release milk
Brest feeding
Cuddle and social trust hormone
