13 ovarian cycle

13 ovarian cycle - Hormone Transport Steroids are...

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Hormone Transport Steroids are  lipophilic => fat soluble (but only sparingly water soluble) As blood is mainly water => steroids bind to water soluble carrier protein for transport SHBG  – sex hormone binding globulin
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1.  Liver : central metabolic ‘clearing house’ structure altered by  conjugation  (e.g. adding sulphate group) 2.  Kidney : conjugation converts steroid to water soluble inactive form => can be excreted Liver Kidney
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Hormone Function 1. 2.  Maintenance of internal environment 3.  Regulation of energy balance 4.  Reproduction  
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Periodicities a. production of germ cells b. behavioral adaptations ensuring insemination 2.  favorable environmental conditions are limited Sexual reproduction involves periodicities because: 1.  period of recovery is required  (arising from within body)  (arising from outside world)  
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Pulsatile Secretion Basal secretion of most hormones is  pulsatile  (surge, then quiescence) e.g. Bull plasma  LH concentrations
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This note was uploaded on 05/31/2009 for the course BAA 171 taught by Professor Drea during the Fall '07 term at Duke.

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13 ovarian cycle - Hormone Transport Steroids are...

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