Adduction
Adduction: Movement of a limb toward the midline of the body. The opposite of adduction is abduction.
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- Adductor muscle
Adductor muscle: Any muscle that pulls a body part toward the midline. For example, the adductor muscles of the legs pull the legs toward the midline of the body so the legs are closer together. The word “adductor” comes from the Latin prefix “ad” meaning “toward” + “ducere” meaning “to draw or lead” = “to […]
- Adenine (A)
Adenine (A): One member of the A-T (adenine-thymine) base pair in DNA. The other base pair in DNA is G-C (guanine-cytosine).
- Adenitis
Adenitis: Inflammation of a lymph gland. From the aden-, gland + -itis, inflammation.
- Adeno-
Adeno-: Prefix referring to a gland, as in adenoma and adenopathy. From the Greek aden meaning originally “an acorn” and later “a gland” in the form of an acorn. Before a vowel, adeno- becomes aden-, as in adenitis (inflammation of a gland).
- Adenocarcinoma
Adenocarcinoma: A cancer that develops in the lining or inner surface of an organ and usually has glandular (secretory) properties. More than 95 percent of prostate cancers are adenocarcinomas.