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Lecture 4

PSL300H1 Endocrine Lecture 4 Summer 2014

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Department
Physiology
Course
PSL300H1
Professor
Hae- Young Kee
Semester
Summer

Description
Growth and Growth Hormone and Thyroid Hormones June 24 20141136 PM Growth a complex process depends on 1oDietsufficient energy calcium protein etcoGeneticsoHormones and growth factorsGrowth hormone Insulinlike growth factor 1 Thyroid hormones InsulinSex steroidsStress CortisoloGrowth depends on adequate dietenergy calcium protein etc also depends on geneticsoHormones play a role as wel as growth factors oSex steroidsfemale and male puberty adolescence What regulatesgrowth hormone release2oGrowth hormonereleasing hormone GHRH stimulates growth hormone GH releaseoGH cells in anterior pituitary release GH in pulsesoGH stimulates IGF1 release from the liveroActs on receptors in bone and soft tissuesoGH releases vary throughout the day huge amounts during sleepoActs on the liver to stimulate the release IGF1 insulin like growth factor in which they act on bones and soft issue
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