| agenesis | <embryology> A condition in which a part of the body (such as an organ or a tissue) does not completely develop or fails to develop at all. (09 Oct 1997) |
|---|---|
| agenesis of corpus callosum | <radiology> Defect in dorsal portion of lamina reuniens, occurs about 10th - 12th week of gestation, may be complete or partial CT findings: parallel lateral ventricles, occipital horns dilated, deep falx, frontal horns C-shaped on coronal view associated with, Dandy-Walker cyst, encephalocele, Arnold-Chiari malformation, CNS lipoma (12 Dec 1998) |
| renal agenesis | <radiology> Associated with, duplicated vagina and/or uterus (mullerian duct anomaly), seminal vesicle cysts (12 Dec 1998) |
| gonadal agenesis | Congenital absence of essentially all gonadal tissue; the external genitalia and genital ducts are female, but if interstitial cells of Leydig are present, the external genitalia are commonly ambiguous and the genital ducts are female. See: gonadal dysgenesis. Compare: Klinefelter's syndrome, Turner's syndrome. Synonym: gonadal agenesis. (05 Mar 2000) |
| sacral agenesis | <radiology> Agenesis or hypoplasia of sacrum, part of caudal-regression syndrome, associated with maternal diabetes, with or without inherited, possible features: absent lower extremities, bladder/bowel impairment (12 Dec 1998) |
| thymic agenesis | The absence of the thymus, which may be associated with parathyroid agenesis in DiGeorge syndrome. (05 Mar 2000) |
| penile | Relating to the penis. Synonym: penial. (05 Mar 2000) |
| penile epispadias | Proximal position of urethral meatus on the dorsum of the penile shaft. (05 Mar 2000) |
| penile erection | The state of the penis when the erectile tissue becomes filled with blood and causes the penis to become rigid and elevated. (12 Dec 1998) |
| penile fibromatosis | A disease of unknown cause in which there are plaques or strands of dense fibrous tissue surrounding the corpus cavernosum of the penis, causing deformity and painful erection; sometimes associated with Dupuytren's contracture. Synonym: penile fibromatosis, van Buren's disease. (05 Mar 2000) |
| penile hypospadias | Ventral and proximal malposition of urethral meatus on penile shaft. (05 Mar 2000) |
| penile implant | A rigid, flexible, or inflatable device surgically placed in the corpora cavernosa to produce an erection. (05 Mar 2000) |
| penile implantation | Surgical insertion of cylindric hydraulic devices for the treatment of organic impotence. (12 Dec 1998) |
| penile induration | A disease of unknown aetiology in which there are plaques or strands of dense fibrous tissue causing induration of the corpora cavernosa of the penis. The condition produces a painful deformity and is sometimes seen in cases of dupuytren's contracture. (12 Dec 1998) |
| penile neoplasms | Cancers or tumours of the penis or of its component tissues. (12 Dec 1998) |