Lab 27. The Endocrine SystemSafety infoLab safetyLab SafetyLab clean upSlide 6Slide 7Pituitary GlandPituitaryPituitary ControlThyroid GlandThyroidParathyroid GlandAdrenal GlandsSlide 15PancreasSlide 17Slide 18Slide 19Today’s LabLab 27. The Endocrine SystemSafety info•Read the two sheets (green and pink)•Sign the yellow sheet•Under 18? Please see me.Lab safety•First aid kit at the front •Fire extinguisher at the back•Eye wash at sink•Showers in the backLab Safety•No eating or drinking in lab•Clean up rule:–It is your responsibility to clean up after yourself and put everything back like you found itLab clean up•Put models back, like you found them•Put microscopes back•Put slides back in the proper boxLab clean up•Dispose of other items as follows:–Paper towels go in the trash–Broken glass and slide cover slips go in “broken glass”–Biological waste goes in red bucket–Empty slides get rinsed, dried, and returned to box–Dissection tools: put in wash–Wipe down your bench area when doneEndocrine OrgansPituitary GlandPituitaryPituitary ControlThyroid GlandFollicles: follicular cells surrounding lumen filled with thyroglobulin T3, T4C Cells (parafollicular cells): CalcitoninThyroidParathyroid GlandChief cells: Oxyphil cellsAdrenal GlandsAdrenal Glands•Cortex–Zona glomerulosa: mineralcorticoids–Zona fasciculata: glucocorticoids–Zona reticularis: sex steroids•Medulla: epinepherine and norepinepherinePancreasPancreas•Endocrine pancreas:–Islets of Langerhans•Alpha cells: glucagon•Beta cells: insulin•Exocrine pancreas:–Acinar cells: digestive juices, buffersInterstitial Cells:Secrete testosteroneMale Gonad:TestisFollicular cells: secrete estrogensAs corpus luteum, secrete estrogen and progesteroneFemale Gonad:OvaryToday’s Lab•Examine slides:–Thyroid gland–Parathyroid gland–Pancreas–Pituitary–Adrenal gland –Draw and label each tissue on paper provided•Complete review sheet•Due next week in lab
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