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).
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- 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.
- Adenoid cystic carcinoma
Adenoid cystic carcinoma: A type of cancer that most often develops in the salivary glands of the head and neck. It may arise in other sites such as the skin, lacrimal gland, trachea, breast, cervix and prostate. Adenoid cystic carcinoma (ACC) has a characteristic appearance under the microscope. Abnormal “nests” or cords of certain cells […]
- Adenoids
Adenoids: A lump of lymphoid tissue of varying size, located behind the nose in a space called the nasopharynx.