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Pituitary Gland
- 1. Approximately the size of a pea
- 2. Located at the base of the brain
- 3. Divded into two lobes
- Anterior Lobe
- Posterior Lobe
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Growth Hormone (GH)
regulates growth of the body
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Adrenocorticotropic Hormone (ACTH)
stimulates the adrenal Cortex
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Thyroid- Stimulating Hormone (TSH)
Stimulases the thyroid gland
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Gonadotropin Hormones
Affect male and female reproductive systems
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Prolactin Releasing or Lactogenic Hormone (PRH)
Promotes development of glandular tissue during pregnancy
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Antidiuretic Hormone (ADH)
stimulates kidneys to reabsorb water
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Oxytocin
Stimulates uterine contractions during labor and postpartum
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Hypothalamus
Located superior to the pituitary gland, secretes "releasing" hormone, functions to stimulate or inhibit the release of pituitary gland hormones
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Islets of Langerhands
Clusters of endocrine tissue found throughout the pancreas, secretes hormones, Insulin and glucagon
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Thyroid
largest endocrine gland, located in the neck below the larynx, produces hormones which require iodine for production; Triiodothyronine (T3), Thyroxine (T4)
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Parathyroid
Four small bodies embedded in the posterior lobes of the thyroid gland, produces hormone parathormone (PTH)
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Islets of Langerhans
Cllusters of endocrine tissue found throughout the pancreas, secretes hormones insulin and glucagon
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Adrenal Glands
Paired glands, one above each kidney, outer portion is called the adrenal cortex
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adren/o, adrenal/o
adrenal glands
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cortic/o
cortex (outer layer of a body organ)
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parathyroid/o
parathyroid gland
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thyroid/o, thyr/o
thyroid gland
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acr/o
extremities, height
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acromegaly
enlargement of extremities and bones in face, hands and feet
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hypterthyroidism
excessive thyroid gland activity, excessive secretion of thyroid hormones, signs and symptomes, weight loss, irritability, and heat intolerance
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hypothyroidism
deficient thyroid gland activity, decreased secretion of thyroid hormones, signs and symptomes, weight gain, fatigue and cold intolerance
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hypopituitarism
deficient pituitary gland activity, decreased secretion of one or more pituitary hormones which affect the target endocrine glands
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Panhypopituitarism
state of total deficient pipuitary gland activity, decreased secretion of ALL pituitary hormones
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Acidosis
Condition with avnormal accumulation of acid products of metabolism
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Addison disease
Chronic syndrome resulting from a deficiency in the hormonal secretion of the adrenal cortex
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Cretinism
Condition caused by congential absence or atrophy of the thyroid gland
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Cushing Syndrome
Group of signs and symptomes attributed to excessive production of cortisol by the adrenal glands
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Diabetes insipidus (DI)
decreased sectetion of antidiuretic hormone (ADH) by posterior lobe of pituitary gland
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Diabetes mellitus (DM)
chronic disease involving a disorder of carbohydrate metabolism
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Gigantism
Condition caused by hypersecretion of growth hormone by pituitary gland before puberty
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Goiter
Enlargement of thyroid gland
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Graves Disease
Disorder of thryoid gland
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Ketosis
Condition resulting from uncontrolled diabetes mellitus
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Metabolic syndrome
Group of signs and symptoms; Insulin resisitance, obesity with excessive fat around waist and abdomen, hypertension, hyperglycemia, elevated trigllycerides, low "good" HDL
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Myxedema
Deficiency of thyroid hormone thyroxine (T4)
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Pheochromocytoma
turmor of adrenal medulla
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Tetany
condition affecting nerves causing muscle spasms, result of low blood calcium
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Thyrotoxicosis
condtion caused by excessive thyroid hormones
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Radioactive iodine uptake test (RAIU)
nuclear medicine scan, measures thyroid function
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Thyroid scan
Nuclear medicine test, shows size, shape and function of thyroid gland, used to detect tumors an dnodules
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Fasting Blood sugar (FBS)
blood test to determine amound of flucose at time of test, must be fasting 8-10 hours
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Glycosylated hemoglobin (HbA1C)
blood test to measure amount of HbA1C
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Throxine level (T4)
blood test to measure amount of thyroxine
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Thyroid-stimulating hormone level (TSH)
blood test to measure amount of TSH, used to diagnose hypothyroidism
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Exophthalmos
Abnormal protrusion of eyeball
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Hormone
Chemical substance secreted by endocrine gland
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Isthmus
Narrow strip of tissue that connects two larger parts in the body
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Metabolism
Sum total of all chemical processes tha t take place in a living organism
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ACTH
adrenocorticotropic Hormone
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FSH
Follicle stimulating hormone
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PRH
prolactin releasing hormone
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RAIU
radioactive iodine uptake
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TSH
thyroid stimulating hormone
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