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Body Structures & Functions Endocrine System Chapter 11 Outline Name: ____________________________________ Date: __________ Class: __________________ Endocrine Glands Glands produce secretions Endocrine glands make hormones Hormones use the ____________ system to reach their target & the composition of a hormone is a chemical substance. Do not confuse with _________ glands, which have secretions that go through a duct Function of the Endocrine System Coordinate functions to ____________________ homeostasis Hypothalamus Pituitary gland Nervous control Pituitary Gland About the _______________ of a ____________ Located at the base of the brain Connected to the ________________ Anterior ______________ and posterior lobe Also known as the _______________ gland It’s ____________ affect other glands Anterior Lobe – Pituitary Growth hormone (GH) or somatotropin FYI… A teenage athlete who wants to __________ bigger and taller might be ________ enough to take Somatotropin (a pituitary hormone) Acromegaly is caused by over __________ of somatotropin in adults and causes enlarged bones in the hands, feet and face. Androgens –stimulate body hair, ______________ hair, large muscles and a deep _________. Prolactin hormone (PRL) Body Structures & Functions Endocrine System Chapter 11 Outline Thyroid-stimulating ______________ (TSH) Adrenocorticotropic hormone (ACTH) Follicle-stimulating hormone (FSH) Luteinizing ______________ (LH) Interstitial cell-stimulating hormone (ICSH) Posterior Lobe – Pituitary Vasopressin converts to _______________ hormone (ADH) in the bloodstream Oxytocin- when a doctor induces labor, a _____________ woman is given Pitocin, which is a synthetic form of oxytocin. Lobes of the Pituitary Gland – Please list all Thyroid Glands Located in the neck close to the ____________ cartilage (_______________ apple) Regulates body metabolism _______________ (T4) Parathyroid Glands Four glands the ________________ of grains of rice Attached to the posterior surface of the _____________ gland and nearest to the Larynx Maintains calcium-_____________ balance Parathormone Parathormone and calcitonin Antagonistic ____________ Thymus Gland Both an _____________ gland and a _______________ organ Body Structures & Functions Endocrine System Chapter 11 Outline Located under the _______________ Decreases in size with aging Thymosin Adrenal Glands Located on top of each _______________ Have a cortex and a medulla ACTH from the ________________ gland stimulates activity of the cortex Cushing’s syndrome-disorder of the Adrenal Gland Adrenal Cortex Androgens Estrogens Adrenal Medulla __________________ or adrenalin Powerful cardiac __________________ Norephinephrine Responds to the _______________ nervous system Fight-or-flight hormones Gonads – Hormones Female (ovary) Estrogen Progesterone Male Testosterone Pancreas Located behind ________________ Body Structures & Functions Endocrine System Chapter 11 Outline Exocrine and endocrine functions Insulin (also known as an endocrine hormone. Glucagon Pineal Gland Located on the _______________ of the third ventricle in the brain Suprachiasmatic nucleus Melatonin Other Hormones Prostaglandins Activity _______________ on which tissue secretes them Exact nature and function is being studied Effects of Aging Aging affects _______________ every gland Blood levels of some hormones increase, while others decrease Affects the homeostasis of the ________________
