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Flashcards in Endocrine System Deck (83)
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1
Endocrine System

Pituitary Gland

""Master Gland"": Two parts (neurohypophysis, adenohypophysis)

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Endocrine System

Pituitary Gland location

Hangs from hypothalmus, protected by turcica

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Endocrine System

Posterior pituitary gland

Produces ADH and Oxytocin, releases when neural impulse from hypothalamus

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Endocrine System

Anterior pituitary gland

Produces GH, TSH, ACTH, prolactin, FSH, LH, and otherreleasing hormones.

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Endocrine System

ADH

""Vasopressin"", maintains BP by reabsorption of water by kidney tubules and vasoconstriction

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Endocrine System

Oxytocin

Stimulates contraction of uterus and release of milk

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Endocrine System

Hormone

Chemical substance secreted by a gland into the BLOODSTREAM that controls another gland or body system.

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Endocrine System

Diuresis

The formation of urine (not peeing), but once it goes to the bladder you can't get urine back.

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Endocrine System

Amines

Variations of thyrosine, include thyroxin, epi, and nor-epi

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Endocrine System

Proteins

Chains of amino acids, insulin, groth hormone, and calcitonin

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Endocrine System

Steroids

Made of cholesterol, cortisol, aoldosterone, estrogen, progesterone, and testosterone

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Endocrine System

Hormones work on this feedback mechanism

Negative feedback mechanism

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Endocrine System

What do endocrine glands respond to?

Blood level changes or other hormones present in the blood stream

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Endocrine System

Hypothalmus

Releasing hormones for anterior pituitary

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Endocrine System

Pineal Gland

Melatonin

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Endocrine System

Thymus Gland

Immune hormones, huge when we're born and gets smaller with age

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Endocrine System

Pancreas

Insulin and Glucagon

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Endocrine System

Ovaries

Estrogen, progesterone, and Inhibin

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Endocrine System

Reabsortion

""Put it back in the blood stream""

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Endocrine System

Parathyroid Glands

PTH: parathyroid hormone can increase calcium in blood stream. They are found behind the thyroid, pea shaped and can have 3-6 other them.

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Endocrine System

Adrenal (suprarenal) Glands

Cortex: Aldosterone, cortisol, sex hormones Medulla: Epi and Nor-epi

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Endocrine System

Testes

Testosterone, Inhibin

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Endocrine System

Adrenocorticotropic Hormone (ACTH)

Increases secretion of cortisol by the adrenal glands

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Endocrine System

T3 and T4

Triiodothyronine and Thyroxin: Increase energy production and rate of protein synthesis

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Endocrine System

GH

Growth Hormone: Increases mitosis, amino acid transport into cell, protein synthesis, and use of fats for energy

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Endocrine System

Thyroid Gland location

Front and sides of trachea, the two lobes are connected by isthmus (bridge across trachea)

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Endocrine System

Thyroid Gland

Produces T3, T4, and calcitonin (regulates calcium in calcium when calcium level too high ""calcitone it down"")

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Endocrine System

Another name for a tumor

Neoplasm

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Endocrine System

Graves Disease

Hyperthyroidism: Abnormal thyroid stimulating mechanism, increased iodide uptake, thyroid metabolism, growth, and secretion of hormone

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Endocrine System

Thyrotoxic Crisis (thyroid storm)

worsening of a thyrotoxic state, possible death within 48 hours (no way to stop thyroid from releasing hormone, we can only sedate them)