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26 Cards in this Set

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