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26 Cards in this Set
- Front
- Back
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Name the parts of the endocrine system.
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Gonads, Thyroid, Thymus, Adrenal, Parathyroid, Pancreas, Pineal, Pituitary
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Which organ is a neuroendocrine organ?
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Hypothalamus
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What are endocrine glands?
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aka "ductless glands," they produce hormones and lack ducts.
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What are hormones?
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Chemical substances that regulate metabolic function of other cells in the body.
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What are 3 types of hormonal interactions?
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Permissiveness, Synergism and Antagonism.
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What are 3 types of endocrine stimuli?
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Humoral, Neural, and Hormonal.
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What is humoral stimuli?
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Hormones secreted in direct response to changing blood levels of certain ions and nutrients.
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What is neural stimuli?
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Nerve fibers stimulating hormone release.
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What is hormonal stimuli?
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Endocrinic release of hormones in response to hormones produced by other endocrine organs.
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What is Thryroid-stimulating hormone?
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TSH or thyrotropin, is a tropic hormone stimulating normal development and secretory activity of thyroid gland.
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What is Adrenocorticotropic Hormone?
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ACTH or corticotropin, stimulates adrenal cortex to release corticosteroid hormones that help body resist stressors.
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What is Follicle-stimulating hormone?
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FSH, a gonadotropin, regulates function of gonads, stimulates gamete production.
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What is Luteinizing hormone?
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LH, a gonadotropin, promoting production of gonadal hormones, trigger ovulation, release of ovarian hormones or testosterone.
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What is the largest endocrine gland in the body?
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Thyroid gland
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What 2 iodine-containing amine hormones does the thyroid gland contain?
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Thyroxine (T4) and Triiodothyronine (T3).
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What is calcitonin?
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Polypeptide hormone produced by C cells of thyroid gland, that lowers calcium levels.
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What are endocrine glands derived from?
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Mesoderm.
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What causes muscular atrophy in the elderly?
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Decline in growth hormone.
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Which body systems are major controlling systems?
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Nervous and endocrine systems
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What are the 2 types of hormones?
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Steroids and amino acid based
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How do steroid hormones (and thyroid hormones) enter target cells?
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By activating DNa.
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What is growth hormone?
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Anabolic hormone stimulating growth of body tissues, skeletal muscle, bone.
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What promotes milk production?
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Prolactin
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What stimulates uterine contractions and milk ejection in nursing women?
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Oxytocin
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Hypersecretion of thyroid hormone results in?
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Graves' disease
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Hyposecretion of thyroid hormone results in?
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Cretinism in babies; myxedema in adults
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