Structures of the Endocrine System
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Structures of the Endocrine System

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4.03 Structures of the Endocrine System

4.03 Structures of the Endocrine System

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  • Ductless because the hormones are secreted directly into the blood stream. Hormones are circulated throughout the whole body but only have an influence on specific cells, tissues, and organs. Exocrine- sweat, salivary, lacrimal, and pancreas
  • Master gland because it major influences on the body’s activities. Connected to the hypothalamus Has anterior and posterior lobe
  • Anterior lobe growth hormone (GH) or somatotropin prolactin hormone (PRL) thyroid stimulating hormone (TSH) adrenocorticotropic hormone (ACTH) follicle stimulating hormone (FSH) luteinizing hormone (LH) Posterior Lobe vasopressin oxytocin
  • It lies on either side of the larynx over the trachea About 2 inches long with two lobes joined by strands of thyroid tissue called the isthmus Secretes 3 hormones thyroxine (T4) triiodothyronine (T3) calcitonin
  • Secretes parathormone
  • Located in the scrotum
  • Located in the pelvic cavity

Structures of the Endocrine System Structures of the Endocrine System Presentation Transcript

  • 4.03 Remember the structures ofthe endocrine system1
  • 4.03 Remember the structures of theendocrine systemWhat are the structures of theendocrine system?4.03 Remember the structures of theendocrine system2
  • 4.03 Remember the structures ofthe endocrine systemEndocrine gland-any organ that produces a secretioncalled a hormone-ductless-only act on target cellsExocrine gland-duct-carried to body surface or organ4.03 Remember the structures of theendocrine system3
  • The Pituitary GlandThe Master GlandSize of a grapeLocated at the base of the brain4.03 Remember the structures of theendocrine system4
  • The Pituitary GlandThe pituitary gland andits hormonesAnterior lobePosterior lobe4.03 Remember the structures of theendocrine system5
  • Thyroid GlandButterfly shapedLocated in the anteriorneck on either side of thelarynx, over the trachea4.03 Remember the structures of theendocrine system6
  • Parathyroid GlandsFour glandsSize of a grain of riceAttached to the posteriorthyroid4.03 Remember the structures of theendocrine system7
  • Thymus GlandServes both the endocrinesystem and the lymphaticsystemLocated under the sternumanterior and superior to theheartLarge during childhood butatrophy with age.4.03 Remember the structures of theendocrine system8
  • Adrenal GlandThere are two adrenal glands.One is located on top of eachkidney.Cortex – outsideMedulla – inside4.03 Remember the structures of theendocrine system9
  • GonadsSex glandsTestes (male)4.03 Remember the structures of theendocrine system10
  • GonadsSex glands:Ovaries (female)4.03 Remember the structures of theendocrine system11
  • PancreasLocated behind thestomachBoth an endocrine andexocrine glandThe endocrine portionis the Islets ofLangerhans4.03 Remember the structures of theendocrine system12
  • 4.03 Remember Structures of theendocrine systemWhat are the structures of theendocrine system?4.03 Remember the structures of theendocrine system13