| PDL | pancreatic duct ligation; periodontal ligament; poorly differentiated lymphocyte; population doublin... |
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| PMDS | peristent mullerian duct syndrome; primary myelodysplastic syndrome |
| SD | Sandhoff disease; senile dementia; septal defect; serologically defined; serologically detectable; s... |
| TD | tabes dorsalis; tardive dyskinesia; T-cell dependent; temporary disability; terminal device; tetanus... |
| TDD | telecommunication device for the deaf; tetradecadiene; thoracic duct drainage; total digitalizing do... |
| sweat duct | The superficial portion of the sweat gland that passes through the corium and epidermis, opening on the surface by the porus sudoriferus or sweat pore. Synonym: ductus sudoriferus, sudoriferous duct, sweat duct. (05 Mar 2000) |
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| dermal duct tumour | A benign small tumour derived from the intradermal part of eccrine sweat gland ducts occurring often on the head and neck. (05 Mar 2000) |
| duct | <anatomy> A passage with well defined walls, especially a tube for the passage of excretions or secretions. Synonym: ductus. Origin: L. Ductus from ducere = to draw or lead (18 Nov 1997) |
| duct of bulbourethral gland | The long slender duct on each side passing down through the inferior fascia of the urogenital diaphragm to enter the bulb of the penis and course forward 2 or 3 cm before terminating in the urethra. Synonym: ductus glandulae bulbourethralis. (05 Mar 2000) |
| duct of epididymis | A convoluted tube into which the efferent ductules open and which itself terminates in the ductus deferens. Synonym: ductus epididymidis. (05 Mar 2000) |
| duct of sweat glands | The superficial portion of the sweat gland that passes through the corium and epidermis, opening on the surface by the porus sudoriferus or sweat pore. Synonym: ductus sudoriferus, sudoriferous duct, sweat duct. (05 Mar 2000) |
| duct papilloma | A small, often nonpalpable, benign papilloma arising in a lactiferous duct and frequently causing bleeding from the nipple. Synonym: duct papilloma. (05 Mar 2000) |
| incisive duct | A rudimentary duct, or protrusion of the mucous membrane into the incisive canal, on either side of the anterior extremity of the nasal crest. Synonym: ductus incisivus. (05 Mar 2000) |
| interlobar duct | A duct draining the secretion of the lobe of a gland and formed by the junction of a number of interlobular duct's. (05 Mar 2000) |
| interlobular duct | Any duct leading from a lobule of a gland and formed by the junction of the fine duct's draining the acini. (05 Mar 2000) |
| intralobular duct | A duct that lies within a lobule of a gland. (05 Mar 2000) |
| omphalomesenteric duct | An obsolete term for yolk stalk. (05 Mar 2000) |
| omphalomesenteric duct cyst | Cystic lesion found within the umbilical cord, presumed to develop from remnants of the omphalomesenteric duct early in gestation. May be found on antenatal ultrasound. Synonym: omphalomesenteric duct cyst. (05 Mar 2000) |
| tectorial membrane of cochlear duct | A gelatinous membrane that overlies the spiral organ (Corti) in the inner ear. Synonym: membrana tectoria ductus cochlearis, Corti's membrane, tectorium. (05 Mar 2000) |
| testicular duct | The secretory duct of the testicle, running from the epididymis, of which it is the continuation, to the prostatic urethra where it terminates as the ejaculatory duct. Synonym: deferent canal, deferent duct, spermatic duct, spermiduct, testicular duct, vas deferens. (05 Mar 2000) |