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Level 108

NME 36 Endocrine Histology (Pituitary and Thyroid)


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Non-endocrine tissue
Prolactin, GH, ADH, oxytocin and MSH are pituitary hormones which act on [______]
Other endocrine glands
FSH, LH, ACTH and TSH are pituitary hormones which act on [______]
Thyroid gland, adrenal glands and gonads
The pituitary-dependent endocrine glands
Hypothalamus and pituitary glands
The thyroid gland is controlled by the [______] and [______]
Median eminence
The part of the hypothalamus from which regulatory hormones are released
Pituitary portal system
The system which connects the hypothalamus and the pituitary glands
Somatotrophs
Anterior pituitary cells which secrete GH
50%
Somatotrophs make up [__]% of the anterior pituitary
Thyrotrophs
Anterior pituitary cells which secrete TSH
5%
Thyrotrophs make up [__]% of the anterior pituitary
Gonadotrophs
Anterior pituitary cells which secrete FSH and LH
5%
Gonadotrophs make up [__]% of the anterior pituitary
Corticotrophs
Anterior pituitary cells which secrete ACTH
20%
Corticotrophs make up [__]% of the anterior pituitary
Mammotrophs
Anterior pituitary cells which secrete prolactin
20%
Mammotrophs make up [__]% of the anterior pituitary
TRUE
True or False: The posterior pituitary cannot make hormones and instead receives them from the hypothalamus
Herring bodies
Structures in the posterior pituitary that are the terminal ends of axons from the hypothalamus and act to store hormones
Paraventricular nucleus
A neuronal nucleus in the hypothalamus that synthesises oxytocin
Supraoptic nucleus
A neuronal nucleus in the hypothalamus that synthesises ADH
Neurosecretion
Release of posterior pituitary hormones is controlled by nervous impulses from the hypothalamus; a process known as [________]
T3, T4 and calcitonin
The three hormones produced by the thyroid gland
Thyroxine
A hormone referred to as T4
Triiodothyronine
A hormone referred to as T3
T3
The active form of thyroid hormone