UNITyhe©.r'FTESLndocrineSystem1RESfoleaaOUJeLa£5pit.aoy|alooheendocrinesystemisapproacheddifferentlyindifferentcourses.ManychooseSeSED,-IeforjamesJuwispsveySateAyAvhomeostaticcontrolmechanisms.However,othersprefertocoverittowardthe5%2“@endofthecourse,sostudentshaveabettergraspoftheanatomyandphysiologyofBa;P“R93othersystems.Forthisreason,wehavestructuredtheexcreiscsinthisunitsuchthattheLBS% unitislargely“standalone,”meaningitcanbeusedwithcitherapproach.aoe35Soo84d.Pre-LabExercises-Pre-Lab16-1KeyTermsryGeneralTerms<QllPrimaryendocrineorgan(gland)Aductlessglandthatplaysamajorrolcin‘maintainingthebody'shomeostasisthroughthesecretionofhormonesintothebloodstreamSComplasontava.HormoneAchemicalmessengersccetedintothebloodstreambyanendocrine(withoutpre-tabperce;Blandthatinitiatesachangeinatargetcell90-120minutesTargettissueTissuewhosecellscontainreceptorsforaparticularhormone~~NegativefeedbackAhomeostaticmechanisminwhichadeviationinaEstimatedTotalLabphysiologicalvariabletriggersaresponsethatrestoresthevariabletoitssctpoint;CompletionTimewhenthesetpointisrestored,theresponsedecreases(includingPre-LabExercises):130-160minutesEndocrineOrgansHypothalamusTheinferiorportionofthediencephalon;releaseshormonesthatstimulateorinhibittheanteriorpituitaryandtwohormones(ADHandoxytocin)storedintheposteriorpituitaryAnteriorpituitaryAnteriorportionofthepituitarygland;secreteshormonesthatlargelyaffectotherglandsPosteriorpituitaryPosteriorportionofthepituitarygland;doesnotmakeitsownhormonesbutratherstoresADHandoxytocinproducedbythehypothalamusThyroidglandGlandlocatedintheanteroinferiorneck;composedofthyroidfolliclesthatproducethyroidhormoneandcalcitoninThyroidfollicleHollowsphereinthethyroidglandthatislinedbyfolliclecellsandfilledwithamaterialcalledcolloidParathyroidglandsThreetofivesmallglandslocatedontheposteriorthyroidgland;secreteparathyroidhormonesthatmaintaincalciumionhomeostasisPinealglandSmallglandlocatedintheposterior/superiordiencephalon;secretes‘melatonininresponsetodecreasedlightlevelsPreview Mode
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