Hormone of the Anterior Pituitary: Prolactin

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Presentation transcript:

Hormone of the Anterior Pituitary: Prolactin By Sushmith Ramesh

Function and Class Produced by pituitary gland (lactotrophs) Class: Peptide Hormone Functions: Main target organ is the mammary gland Maintains the corpora lutea (produces progesterone) Acts in a cytokine manner to control the activity of the immune system

Maintenance and Secretion Hypothalamus secretes dopamine – inhibiting factor Stimulators thyroid-releasing hormone estrogen progesterone gonadotropin-releasing hormone Stimulation of mammary gland

Homeostasis and Abnormalities Prolactin suppresses FSH Over production = Hyperprolactinemia Infertility Excess discharge Under production = Galactorrhea Lactation ends just 2 weeks after child birth

Bibliography Bowen, R. "Prolactin." Www.arbl.cvmbs.colostate.edu. Colorado State University, 23 Mar. 2002. Web. 11 Feb. 2014. <http://arbl.cvmbs.colostate.edu/hbooks/pathphys/endocrine/hypopit/prolactin.html>. "Prolactin." WebMD. N.p., 29 June 2010. Web. 11 Feb. 2014. <http://www.webmd.com/a-to-z-guides/prolactin-15129>. "Prolactinoma." U.S. Department of Health and Human Services. N.p., May 2009. Web. 11 Feb. 2014. <http://www.endocrine.niddk.nih.gov/pubs/prolact/prolact.aspx>.