EndocrineSystem - pituitary, thyroid, parathyroids,...

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Endocrine System Introduction The endocrine system consists of all the organs (glands) that produce hormones, which are chemical messengers secreted directly into the bloodstream. Many of these organs have other functions, and therefore belong to more than one organ system. A few have only endocrine function. The general functions of the endocrine are communication, control, and coordination. Note that these functions are shared by the nervous system. The nervous system performs these functions rapidly, using electrical impulses. The endocrine system performs these functions more slowly, as time is needed for the hormones to circulate and reach their target. Endocrine Glands The following are “pure” endocrine glands, which have only endocrine function:
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Unformatted text preview: pituitary, thyroid, parathyroids, adrenals, pineal The following endocrine glands belong to more than one organ system: - hypothalamus - pancreas - thymus - gonads - kidney - stomach - small intestine - heart - liver Pituitary Gland While the pituitary gland belongs to both the nervous and endocrine systems, it has only endocrine function. The pituitary is divided into two portions: - anterior pituitary: made of ET; produces 6 different hormones ( FYI only: LH, FSH, TSH, ACTH, GH, prolactin ) - posterior pituitary: made of nervous tissue; suspended form the base of the hypothalamus by the infundibulum; produces 2 different hormones (including ADH/vasopressin) which are actually made by the hypothalamus...
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This note was uploaded on 12/21/2010 for the course ANTHRO 1 taught by Professor Slovakvillano during the Spring '10 term at Santa Rosa.

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