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11 Cards in this Set

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Pineal gland also called?
Epiphysis Cerebri
Define Pineal gland
-Attach to roof of 3rd ventricle
-Has capsule from pia mater of cranial meninges
-recieves postganglionic neurons of S.N.S.
-Secretes hormones
-Role not well known
Shape of pineal gland
Pine cone
Two most common cells in pineal gland
Neuroglial cells and pinealocytes
Neuroglial cells
first major type of cells; are supportive
Pinealocytes
Major secretory cells; secrete hormones
Brain sand
-Calcium deposits have been identified
-Increases with age
-Function unknown
What hormones does the pineal gland secrete?
Melatonin and Adrenoglomerulotropin
Melatonin
May inhibit gonadotropic hormones- may contribute to the biological clock?
Adrenoglomerulotropin
May stimulate adrenal cortex
Other substances found...
Norepinephrine(NE)
Serotonin
Histamine