Endocrine: Hypothalamus and Pituitary 11.3
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Where is the hypothalamus located?
In the brain of the cranial cavity
The hypothalamus and thalamus belong to what part of the brain?
Diencephalon
Hypothalamus has important roles in?
Water balance, energy balance, growth and reproduction
Hypothalamus controls the production and secretion of hormones of which gland?
Pituitary
Where is the pituitary gland located?
Just below the hypothalamus.
What are the two lobes of the pituitary?
Anterior lobe and Posterior lobe
The pituitary stalk attaches the hypothalamus to which pituitary lobe?
Posterior lobe of the pituitary
A network of small ______________ connects the hypothalamus to the anterior pituitary?
Blood vessels. Called a portal system which connects one capillary bed to another capillary bed.
Hormones sent by the hypothalamus to stimulate the release (secretion) of a hormone from the anterior pituitary are called?
Releasing hormones
Hormones sent by the hypothalamus to prevent the release (secretion) of a hormone from the posterior pituitary are called?
Inhibiting hormones
A hormone sent by a gland to another gland are called?
Tropic hormone
Hormones sent by the anterior pituitary gland to the gonads, the testes and ovaries are called?
Gonadotropins
Hormones sent by the anterior pituitary gland to the thyroid gland are called?
Thyrotropins