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Endocrine and Reproductive Systems
medical terminology
37
Medical
Not Applicable
09/18/2025

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Term
eu-: Good, normal
Definition
Example: Euthyroid: A state in which the thyroid gland functions normally, producing the right levels of thyroid hormones necessary for metabolism and growth.
Term
hyper-: Above, excessive
Definition
Example: Hyperthyroidism: A condition in which the thyroid gland produces excessive thyroid hormones, leading to symptoms such as rapid heartbeat, weight loss, and nervousness
Term
hypo-: Below, under, deficient
Definition
Example: Hypoglycemia: A condition characterized by abnormally low blood sugar levels, often causing symptoms such as dizziness, shakiness, and confusion.
Term
oxy-: Rapid, sharp, acid
Definition
Example: Oxytocin: A hormone released by the pituitary gland that stimulates uterine contractions during childbirth and the release of milk during breastfeeding.
Term
pan-: All, total
Definition
Example: Panhypopituitarism: A condition in which the pituitary gland fails to produce or secretes all of its hormones, leading to a wide range of endocrine dysfunctions.
Term
para-: Around, beside, beyond, abnormal
Definition
Example: Parathyroid: Small glands located beside the thyroid gland, responsible for regulating calcium levels in the blood and bone metabolism.
Term
poly-: Many or much
Definition
Example: Polyuria: Excessive urination, a common symptom of diabetes mellitus due to high blood sugar levels affecting kidney function.
Term
a-: Absence of, without
Definition
Example Azoospermia: The absence of sperm in semen, which can cause male infertility and may result from blockages or testicular failure.
Term
an-: Absence of, withou
Definition
Example Anovulation: The absence of ovulation, often leading to infertility and irregular menstrual cycles, commonly caused by hormonal imbalances or polycystic ovary syndrome (PCOS).
Term
dys-: Painful, difficult
Definition
Example Dysmenorrhea – Painful menstrual cramps, often caused by uterine contractions or underlying conditions like endometriosis.
Term
endo-: Within
Definition
Example Endometritis: Inflammation of the inner lining of the uterus (endometrium), often caused by infection or retained tissue after childbirth or miscarriage.
Term
epi-: Above
Definition
Example Epidural: Pertaining to the area upon or above the dura mater of the spinal cord, commonly referring to a type of anesthesia used during childbirth to provide pain relief while allowing the patient to remain awake and alert.
Term
oligo-: Small amount
Definition
Example Oligospermia: A condition characterized by a low sperm count in semen, often contributing to male infertility.
Term
trans-: Through, across, beyond
Definition
Example Transvaginal ultrasound: An imaging procedure where a probe is inserted through the vaginal canal to obtain detailed images of reproductive organs like the uterus and ovaries.
Term
drome: Run, running together
Definition
Example: Syndrome: A group of symptoms or signs that occur together, such as Cushing’s syndrome, which results from excessive cortisol production by the adrenal glands.
Term
ectomy: Excision, cut out
Definition
Example: Thyroidectomy: Surgical removal of the thyroid gland, often performed to treat conditions such as hyperthyroidism, thyroid cancer, or goiters.
Term
emia: Condition of the blood
Definition
Example: Hyperglycemia: High levels of glucose in the blood, commonly associated with diabetes mellitus and requiring careful monitoring and management.
Term
-ism: State of
Definition
Example: Hypothyroidism: A state of underactive thyroid function, resulting in reduced production of thyroid hormones and symptoms like fatigue, weight gain, and cold intolerance.
Term
-itis: Inflammation
Definition
Example: Thyroiditis: Inflammation of the thyroid gland, which may result from autoimmune conditions like Hashimoto's thyroiditis or infections.
Term
logist: Specialist who studies and treats
Definition
Example: Endocrinologist: A medical specialist who studies and treats disorders of the endocrine system, such as diabetes, thyroid diseases, and hormonal imbalances.
Term
-logy: Study of
Definition
Example: Endocrinology: The study of the endocrine system, including the glands, hormones, and their related diseases.
Term
-megaly: Enlarged, enlargement
Definition
Example: Acromegaly: Abnormal enlargement of extremities caused by excessive growth hormone secretion from the pituitary gland in adulthood.
Term
-oid: Resembling
Definition
Example: Adrenoid: Resembling the adrenal glands in shape or function, possibly used in anatomical studies or to describe tissue with adrenal-like characteristics.
Term
oma: Tumor
Definition
Example: Insulinoma: A tumor of the pancreas that produces excessive amounts of insulin, often leading to episodes of hypoglycemia.
Term
aden/o: Gland
Definition
Example Adenoma: A benign tumor of an endocrine gland, such as a pituitary adenoma, which can affect hormone production and cause symptoms like vision problems or hormonal imbalances
Term
adren/o, adrenal/o: Adrenal glands
Definition
Example Adrenalectomy: Surgical removal of one or both adrenal glands, often performed to treat adrenal tumors or excessive hormone secretion.
Term
calc/i: Calcium
Definition
Example Hypercalcemia: An elevated level of calcium in the blood, often caused by overactivity of the parathyroid glands (hyperparathyroidism).
Term
cortic/o: Cortex, outer layer of a body organ
Definition
Example Corticosteroids: Hormones produced by the adrenal cortex, such as cortisol, which play roles in stress response, immune regulation, and metabolism.
Term
dips/o: Thirst
Definition
Example Polydipsia: Excessive thirst, commonly associated with diabetes mellitus or diabetes insipidus due to hormonal imbalances affecting water regulation.
Term
endocrin/o: Endocrine
Definition
Example Endocrinopathy: A disease or disorder affecting the endocrine system, including the glands and hormones that regulate bodily functions.
Term
glyc/o: Sugar
Definition
Example Hyperglycemia: Elevated blood sugar levels, a hallmark of diabetes mellitus caused by insufficient insulin production or action.
Term
home/o: Sameness
Definition
Example Homeostasis: The maintenance of a stable internal environment in the body, such as balanced hormone levels to regulate metabolism and growth.
Term
kal/i: Potassium
Definition
Example Hypokalemia: A condition characterized by low potassium levels in the blood, which can result from adrenal dysfunction such as hyperaldosteronism.
Term
myx/o: Mucus
Definition
Example Myxedema: Severe hypothyroidism characterized by swelling and deposits of mucus-like substances in the skin, often affecting the face and extremities.
Term
natr/o: Sodium
Definition
Example Hyponatremia: A condition characterized by low sodium levels in the blood, which can result from hormonal imbalances such as adrenal insufficiency.
Term
parathyroid/o: Parathyroid gland
Definition
Example Parathyroidectomy: Surgical removal of one or more parathyroid glands, often performed to treat hyperparathyroidism and manage calcium imbalances.
Term
pituitar/o: Pituitary gland
Definition
Example Pituitarism: Any disorder of the pituitary gland, such as hypopituitarism, which results in decreased hormone production and widespread endocrine effects.
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