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Chapter 18


Combining FormMEANING
aden/o gland adenectomy
adrenal/o adrenal gland adrenalectomy
gonad/o sex glands (ovaries and testes) Here, tropin means to act on. Gonadotropins act on (stimulate) gonads. Examples of gonadotropins are FSH, secreted by the pituitary gland.
pancreat/o pancreas pancreatectomy
parathyroid/o parathyroid gland parathyroidectomy
pituitar/o pituitary gland; hypophysis hypopituitarism
thyr/o, thyroid/o thyroid gland thyrotropic hormone Thyroid-stimulating hormone (TSH) is a thyrotropic hormone secreted by the pituitary gland. Thyroiditis- May result from bacterial or viral infection, or and autoimmune reaction.
andr/o male androgen: Androgens are produced by the tests in males and by the adrenal cortex in males and females.
calc/o, calci/o calcium hypercalcemia
cortic/o cortex, outer region corticosteroid
crin/o secrete endocrinologist
dips/o thirst polydipsia: Poly- means many or increased. Uncontrolled diabetes (mellitus or insipidus) causes increased thirst.
estr/o female estrogenic
gluc/o sugar glucagon-In this term, -agon means to assemble or gather together. Glucagon raises blood sugar by stimulating its release from glycogen into the bloodstream.
glyc/o sugar hyperglycemia
home/o sameness homeostasis The suffix -stasis means to control
hormon/o hormone hormonal
kal/i potassium hypokalemia-This condition can occur in dehydration and with excessive vomiting and diarrhea. The heart is particularly sensitive to potassium loss.
lact/o milk prolactin The suffix -in means a substance.
myx/o mucus myxedema-Mucus-like material accumulates under the skin
natr/o sodium hyponatremia_Occurs with hyposecretion of the adrenal cortex as salts and water leave the body.
phys/o growing hypophysectomy The hypophysis is the pituitary gland, which is so named because it grows from the undersurface (hypo-) of the brain.
somat/o body somatotropin Growth hormone.
ster/o solid structure steroid: This complex, solid, ring-shaped molecule resembles a sterol (such as cholesterol); many hormones (androgens, estrogens, glucocorticoids. and mineralocorticoids) are steroids.
toc/o childbirth oxytocin: Oxy- means rapid
toxic/o poison thyrotoxicosis: Condition caused by excessive thyroid gland activity and over secretion of thyroid hormone. Signs and symptoms are sweating, weight loss, tachycardia, and nervousness.
ur/o urine antidiuretic hormone: Posterior pituitary hormone that affects the kidneys and reduces water.
Created by: MissMeeMee