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serrulate, serrulated

(ser′yŭ-lāt″, ser′yŭ-lāt″ĕd) [L. serrula, a small saw] Finely notched or serrated.

Sertoli cell

(sert′ŏ-lē, ser-tō′lē) [Enrico Sertoli, Italian histologist, 1842–1910] One of the supporting elongated cells of the seminiferous tubules of the testes to which spermatids attach to be nourished until they become mature spermatozoa. Sertoli cells produce the hormone inhibin. SEE: inhibin.

Sertoli cell only syndrome, Sertoli-cell only syndrome, Sertoli cell-only syndrome

(sert′ŏ-lē, ser-tō′lē) A cause of male infertility marked by lack of germ cells in the testes, normal testosterone levels, and azoospermia. SEE: Sertoli cell.

sertraline

(ser′tră-lēn) A selective serotonin reuptake inhibitor and antidepressant, administered orally to manage depression, panic, obsessive-compulsive disorder, and posttraumatic stress disorder. Trade name is Zoloft.

serum

(sēr′ŭm, sēr′ă) pl. sera [L. serum, whey] 1. A pale, watery fluid, esp. the fluid that moistens the surfaces of serous membranes. 2. The watery portion of the blood after coagulation. It is the fluid found when clotted blood is left standing long enough for the clot to shrink. 3. Serum obtained from blood that contains antibodies against a specific microorganism. It is used to provide immediate passive immunity. SYN: immune globulin.

antilymphocyte s. ABBR: ALS. An antibody-containing serum used to reduce rejection of transplanted organs and tissues. Its immunosuppressive effects are directed against B and T lymphocytes. SYN: antilymphocyte globulin.

convalescent s. Serum from a person recovering from an infection that began 3 to 6 weeks previously. It may contain antibodies against the infection and provide passive immunity to it if given to newly infected people.

foreign s. Serum taken from one species and administered to another.

grouping s. A serum used for determining the blood group to which unknown cells belong. The grouping serums commonly used are human serums from donors and rabbit antiserums prepared commercially.

immune s. Antiserum.

polyvalent s. Serum containing antibodies to several antigens.

pooled s. Serum collected from several donors.

pregnant mare’s s. Serum derived from the blood of pregnant mares. It is a source of hormones, esp. gonadotropins.

serum bank

SEE: under bank.

serum BG test

A test to determine the presence of 1-3-beta-D-glucan (BG). The test is used primarily to screen patients for Pneumocystis pneumonia (infection with Pneumocystis jiroveci).

serum free light chain

Circulating immunoglobulin light chains, without corresponding heavy chains. Abnormal concentrations of clonal light chains in the blood are found in multiple myeloma.

serum glutamic-oxaloacetic transaminase

ABBR: SGOT. Aspartate ...

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