Kinesiology 3222A/B Lecture Notes - Lecture 1: Posterior Pituitary, California State Route 2, Hyperglycemia
14 Jan 2015
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Document Summary
Describe the pituitary gland its relationship to the hypothalamus. Identify the products of the posterior pituitary gland. Non-hormonal secretions transported through ducts to membrane surface of cells (sweat glands) Vital role in the pms from fluctuation of hormones. Amino-acid based hormones are derived from amino acids. Exert signalling effects on target cells upon binding receptors on surface of cells. Hormones display specificity due to receptors (molecular triggers) Activation depends on three factors: blood level of hormone, number of receptors on cell, affinity between hormone and receptor (diminished in diabetes type ii) Look to exaggerate the production of something (child birth) Nerves stimulate hormone release (hypothalamus and the hypophyseal tract) Release in response to hormones from other endocrine organs (tsh and trh) Hypophyseal fossa of sphenoid (depression where it is found) Optic nerve travelling from eye crosses over, anterior. Mammillary body is found at the posterior boundary boundary.
