posterior median line |
The line of intersection of the midsagittal plane with the posterior surface of the body.
Synonym: linea mediana posterior.
(05 Mar 2000) |
Poupart's line |
A vertical line passing through the centre of the inguinal ligament on either side; it marks off the hypochondriac, lumbar, and iliac from the epigastric, umbilical, and hypogastric regions, respectively.
(05 Mar 2000) |
preaxillary line |
A vertical line extending inferiorly from the anterior axillary fold.
Synonym: linea axillaris anterior, linea preaxillaris, preaxillary line.
(05 Mar 2000) |
Haller's line |
A thickened band of pia mater along the midline of the anterior surface of the spinal cord.
Synonym: Haller's line.
(05 Mar 2000) |
Hampton line |
A thin radiolucent band across the neck of a contrast-filled benign gastric ulcer, indicating mucosal oedema.
Compare: Carman's sign.
(05 Mar 2000) |
saemicircular line |
A crescentic line, not always clearly defined, which marks the lower limit of the posterior layer of the sheath of the rectus abdominis muscle.
Synonym: linea arcuata vaginae musculi recti abdominis, Douglas' line, linea saemicircularis, saemicircular line.
(05 Mar 2000) |
saemicircular line of Douglas |
A crescent-shaped line that defines the end of the posterior fascial sheath of the rectus abdominis muscle.
(05 Mar 2000) |
sagittal line |
Any line parallel to the midline, indicating a sagittal plane.
(05 Mar 2000) |
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) |
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) |