| product line management | Management control systems for structuring health care delivery strategies around case types, as in drgs, or specific clinical services. (12 Dec 1998) |
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| Hensen's line | <cell biology> The H band is an area within muscle tissue which is light when stained and consists only of myosin fibres (and no actin fibres). The H band is at the centre of each muscle sarcomere. (09 Oct 1997) |
| S-BP line | A line connecting the sella with the Bolton point; it indicates the posterior portion of the cranial base in cephalometrics. (05 Mar 2000) |
| scapular line | A vertical line passing through the inferior angle of the scapula. Synonym: linea scapularis. (05 Mar 2000) |
| hickman line | <equipment> A narrow plastic tube which is inserted, under anaesthetic, into a major blood vessel in the chest. It is used for patients undergoing intensive therapy and provides a route for taking blood samples and administering drugs without repeated needle puncture of a vein. (13 Nov 1997) |
| highest nuchal line | A line above and parallel to the superior nuchal line on the external surface of the occipital bone; it gives attachment to the epicranial aponeurosis and occipitalis muscle. Synonym: linea nuchae suprema. (05 Mar 2000) |
| high lip line | The greatest height to which the lip is raised in normal function or during the act of smiling broadly. (05 Mar 2000) |
| high tide line | The line of intersection of the land with the water's surface at the maximum height reached by a rising tide. The high tide line may be determined, in the absence of actual data, by a line of oil or scum along shore objects, a more or less continuous deposit of fine shell or debris on the foreshore or berm, other physical markings or characteristics, vegetation lines, tidal gages, or other suitable means that delineate the general height reached by a rising tide. The line encompasses spring high tides and other high tides that occur with periodic frequency but does not include storm surges in which there is a departure from the normal or predicted reach of the tide due to the piling up of water against a coast by strong winds such as those accompanying a hurricane or other intense storm. (09 Oct 1997) |
| Hilton's white line | A bluish pink, narrow, wavy zone in the mucosa of the anal canal below the pectinate line at the level of the interval between the subcutaneous part of the external sphincter and the lower border of the internal sphincter, said to be palpable. Synonym: Hilton's white line. (05 Mar 2000) |
| His' line | A line extending from the tip of the anterior nasal spine (acanthion) to the hindmost point on the posterior margin of the foramen magnum (opisthion), dividing the face into an upper and a lower, or dental part. (05 Mar 2000) |
| second line chemotherapy | <oncology> Chemotherapy given for a tumour which has already failed to respond to a first chemotherapy regimen (called first line). (16 Dec 1997) |
| Holden's line | The crease or furrow of the skin of the groin caused by flexion of the thigh. (05 Mar 2000) |
| semilunar line | The slight groove in the external abdominal wall parallel to the lateral edge of the rectus sheath. Synonym: semilunar line, Spigelius' line. (05 Mar 2000) |
| Hudson-Stahli line | <clinical sign, ophthalmology> A brown, horizontal line across the lower third of the cornea, occasionally seen in the aged and also in association with corneal opacities. (05 Mar 2000) |
| Sergent's white line | A pale streak appearing within 30 to 60 seconds after stroking the skin with a fingernail, and lasting for several minutes; regarded as a sign of diminished arterial tension. Synonym: Sergent's white line. (05 Mar 2000) |