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endocrine and lymphatic system
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Anatomy
Undergraduate 1
02/27/2010
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Term
pituitary gland
 Definition
-attached to the base of the brain. it has an anterior love and posterior lobe
-brain controls the activity of the pituitary gland
-releasing hormones from the hypothalamus control the secretions of the anterior pituitary. the releasing hormones are carried in the bloodstream directly to the anterior pituitary by hypophyseal portal veins.
-the posterior pituitary releases hormones into the bloodstream in response to nerve impulses from the hypothalamus.
-the anterior pituitary consists mostly of epithelial tussue arranged around blood vessels and enclosed in a capsule of callagenous connective tissue.
Term
Hypothalamus
 Definition
Part of the brain
The control relay center of the endocrine system
Term
Pituitary Gland Hormones
 Definition

Oxytocin: stimulates the utrine and breast contraction for milk release

 

Anti-Diuretic(ADH): stimulates re-absorption from kidney tubules

 

Prolactin(PRL): production of breast milk

 

Human Growth hormone(HDH): growth

                             Hypo: Dwarfism                                                        Hyper: Gigantism

 

 Thyroid Stimulating Hormone (THS): Stimulates the thyroid to release thyroxin 

 

Adrenocorticotrophic (ACTH): Stimulates the adrenal cortex to produce: Corticosteriods

 

Corticosteriods: minter corticoids
                       glucocorticoids
                       cortisol

                       androgens 

 

Lutenizing Hormone: Brings about ovulation and maintains the corpus luteum

 

Follicle Stimulating Hormone(FSH): stimulates growth and development of graafin folliciles. 

 

Melanin Stimulating Hormone (MSH)

 

Gonadotrophins: secondary sexual characteristics

 

Interstitial cell stimulating hormone (ICSH): produces sperm!

 

Intermedin: control of the melanocyte production

 

 
Term
Pineal & it's Hormone
 Definition
A pea sized massive nerve tissue attached by a stalk to the posterior wall of the third ventricle of the brain, deep between the cerebral hemispheres at the back of the skull.

Function: secretes melatonin which regulates the pituitary gland and is associated with the biological clock.

Melatonin: A hormone produced by the pineal gland in the darkness but no bright light.
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