| nipple line | A vertical line passing through the nipple on either side. Synonym: linea mamillaris, nipple line. (05 Mar 2000) |
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| adenoma of nipple | A benign tumour which may clinically resemble Paget's disease, but which is a papillary or solid growth of columnar and myoepithelial cells producing a florid pseudoinfiltrative pattern. Synonym: adenoma of nipple, erosive adenomatosis of nipple. (05 Mar 2000) |
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| areola of nipple | A circular pigmented area surrounding the nipple or papilla mammae; its surface is dotted with little projections due to the presence of areolar glands beneath. Synonym: areola mammae, areola papillaris, areola. (05 Mar 2000) |
| Paget's disease of the nipple | <oncology, tumour> A cancer of the nipple. (16 Dec 1997) |
| nipple | 1. <anatomy> The protuberance through which milk is drawn from the breast or mamma; the mammilla; a teat; a pap. 2. The orifice at which any animal liquid, as the oil from an oil bag, is discharged. 3. Any small projection or article in which there is an orifice for discharging a fluid, or for other purposes; as, the nipple of a nursing bottle; the nipple of a percussion lock, or that part on which the cap is put and through which the fire passes to the charge. 4. <mechanics> A pipe fitting, consisting of a short piece of pipe, usually provided with a screw thread at each end, for connecting two other fittings. Solder nipple, a short pipe, usually of brass, one end of which is tapered and adapted for attachment to the end of a lead pipe by soldering. Origin: Formerly neble, a dim. Of neb. See Neb, Nib. Source: Websters Dictionary (01 Mar 1998) |
| nipple shield | A cap or dome placed over the nipple to protect it during nursing. (05 Mar 2000) |
| nipple, supernumerary | An extra nipple. (12 Dec 1998) |
| supernumerary nipple | An extra nipple. (12 Dec 1998) |
| inverted nipple | The turning inward of the nipple. Usually a congenital condition, but, if it occurs where it has not previously existed, it can be a sign of breast cancer. (09 Oct 1997) |
| erosive adenomatosis of nipple | A benign tumour which may clinically resemble Paget's disease, but which is a papillary or solid growth of columnar and myoepithelial cells producing a florid pseudoinfiltrative pattern. Synonym: adenoma of nipple, erosive adenomatosis of nipple. (05 Mar 2000) |
| alveolonasal line | A line connecting the alveolar point and the nasion. (05 Mar 2000) |
| Amberg's lateral sinus line | A line dividing the angle formed by the anterior edge of the mastoid process and the temporal line. (05 Mar 2000) |
| anocutaneous line | The line between the simple columnar epithelium of the rectum and the stratified epithelium of the anal canal. Synonym: linea anocutanea, anocutaneous line, dentate line. (05 Mar 2000) |
| anterior axillary line | A vertical line extending inferiorly from the anterior axillary fold. Synonym: linea axillaris anterior, linea preaxillaris, preaxillary line. (05 Mar 2000) |
| anterior junction line | Radiographic projection of the mediastinal tissue septum between the upper lobes behind the sternum. (05 Mar 2000) |
| anterior median line | The line of intersection of the midsagittal plane with the anterior surface of the body. Synonym: linea mediana anterior. (05 Mar 2000) |