| CLAS | congenital localized absence of skin |
|---|---|
| LOA | leave of absence; Leber optic atrophy; left occipitoanterior [fetal position] |
| PIVKA | protein induced by vitamin K absence or antagonism |
| SASPP | syndrome of absence of septum pellucidum with preencephaly |
| TTA | tetanus toxoid antibody; timed therapeutic absence; total toe arthroplasty; transtracheal aspiration... |
acute angle
| congenital aplasia of thymus | diGeorge syndrome |
|---|---|
| pure red cell aplasia | A transitory arrest of red blood cell production which may occur in the course of a haemolytic anaemia, often preceded by infection, or as a complication of certain drugs; if the arrest persists anaemia may result. See: congenital hypoplastic anaemia. (05 Mar 2000) |
| syndrome, radial aplasia-thrombocytopenia | See syndrome, tar. (12 Dec 1998) |
| thymic aplasia | <disease, immunology> A lack of T lymphocytes, due to failure of the thymus to develop, resulting in very reduced cell-mediated immunity though serum immunoglobulin levels may be normal. See: DiGeorge syndrome. Origin: Gr. Plassein = to form (18 Nov 1997) |
| anterior border of testis | An imaginary convex line demarcating the lateral and medial surfaces. Synonym: margo anterior testis. (05 Mar 2000) |
| appendix of the testis | A vesicular nonpedunculated structure attached to the cephalic pole of the testis; a vestige of the cephalic end of the paramesonephric (mullerian) duct. Synonym: appendix testis, appendix of the testis, nonpedunculated hydatid, ovarium masculinum, sessile hydatid. (05 Mar 2000) |
| appendix testis | A small solid projection of tissue on the outer surface of the testis which is a remnant of the embryologic mullerian duct. (12 Dec 1998) |
| blood-testis barrier | The membrane in the testis that separates sperm from the bloodstream. (09 Oct 1997) |
| vaginal process of testis | A peritoneal diverticulum in the embryonic lower anterior abdominal wall that traverses the inguinal canal; in the male it forms the tunica vaginalis testis and normally loses its connection with the peritoneal cavity; a persistent processus vaginalis in the female is known as the canal of Nuck. Synonym: Nuck's diverticulum, processus vaginalis peritonei, vaginal process of peritoneum, vaginal process of testis. (05 Mar 2000) |
| vanished testis syndrome | <syndrome> Absence of both testes in a male with normal chromosomes (XY) and otherwise normal genitalia at birth and during childhood. Testes were present in at least the first trimester of gestation, but vanished sometime thereafter. (05 Mar 2000) |
| margo anterior testis | An imaginary convex line demarcating the lateral and medial surfaces. Synonym: margo anterior testis. (05 Mar 2000) |
| margo posterior testis | The rounded posterior portion of the testis into which the vessels enter. Synonym: margo posterior testis. (05 Mar 2000) |
| visceral layer of tunica vaginalis of testis | The inner part of the tunica vaginalis testis applied directly to the testis and epididymis. Synonym: lamina visceralis tunicae vaginalis testis. (05 Mar 2000) |
| medial surface of testis | medial surface of testis |
| mediastinum testis | A mass of fibrous tissue continuous with the tunica albuginea, projecting into the testis from its posterior border. Synonym: corpus highmori, corpus highmorianum, Highmore's body, septum of testis. (05 Mar 2000) |