| PCT | peripheral carcinoid tumor; plasma clotting time; plasmacrit test; plasmacytoma; polychlorinated tri... |
|---|---|
| PST | pancreatic suppression test; paroxysmal supraventricular tachycardia; penicillin, streptomycin, and ... |
| NTA | 1) Naso-Tracheal Aspiration 2) National Tuberculosis Association |
| TTA | Trans-Tracheal Aspiration |
| CTSS | cathepsin S; closed tracheal suction system |
| tracheal wall stripe | On a chest radiograph, the linear opacity between air in the trachea and in the right upper lobe. (05 Mar 2000) |
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| renal tubule | <anatomy> Small structures in the kidney that filter the blood and produce the urine. (12 Dec 1998) |
| mesonephric tubule | An excretory tubule of the mesonephros. Synonym: segmental tubule. (05 Mar 2000) |
| metanephric tubule | An excretory unit of the metanephros or permanent kidney. (05 Mar 2000) |
| collecting tubule | The continuation of the tubulus seminifer contortus which becomes straight just before entering the mediastinum to form the rete testis. Synonym: tubulus renalis rectus, tubulus seminifer rectus, collecting tubule, straight tubule, tubulus rectus, tubulus rectus, vasa recta. (05 Mar 2000) |
| connecting tubule | A narrow arching tubule of the kidney joining the distal convoluted tubule and the collecting tubule. (05 Mar 2000) |
| convoluted seminiferous tubule | One of two or three twisted curved tubules in each lobule of the testis, in which spermatogenesis occurs. Synonym: tubulus seminifer contortus, tubulus contortus. (05 Mar 2000) |
| convoluted tubule of kidney | The highly convoluted segments of the nephron in the renal labyrinth comprising the proximal convoluted tubule, which leads from Bowman's capsule to the descending limb of Henle's loop, and the distal convoluted tubule, which leads from the ascending limb of Henle's loop to the collecting tube. Synonym: tubulus renalis contortus, Ferrein's tube, tubulus contortus. (05 Mar 2000) |
| pronephric tubule | An excretory unit of the pronephros, present only in vestigial form in human embryos. (05 Mar 2000) |
| segmental tubule | An excretory tubule of the mesonephros. Synonym: segmental tubule. (05 Mar 2000) |
| seminiferous tubule | <anatomy> In the testicles, the network of tubes where sperm cells are formed. (09 Oct 1997) |
| seminiferous tubule dysgenesis | A disorder in which the seminiferous tubules exhibit an abnormal cytoarchitecture and extensive hyalinization; the testes are small, and few spermatozoa are formed; the body habitus may be eunuchoid, and gynaecomastia may be present; urinary gonadotropin output is usually high, and the incidence of mental deficiency and illness increased; sex chromatin may be male or female, and androgen secretion ranges from subnormal to normal. It is a constant feature of (and is often used synonymously with) Klinefelter's syndrome. Synonym: germinal aplasia. (05 Mar 2000) |
| spiral tubule | The segment of urinary tubule coming next after the proximal convoluted tubule. (05 Mar 2000) |
| straight seminiferous tubule | The continuation of the tubulus seminifer contortus which becomes straight just before entering the mediastinum to form the rete testis. Synonym: tubulus renalis rectus, tubulus seminifer rectus, collecting tubule, straight tubule, tubulus rectus, tubulus rectus, vasa recta. (05 Mar 2000) |
| straight tubule | One of the straight tubules of the kidney, present in the medulla and pars radiata of the cortex. Synonym: straight seminiferous tubule. (05 Mar 2000) |