crease

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crease

(krēs),
A line or linear depression as produced by a fold.
See also: fold, groove, line.

crease

(krēs) a line or slight linear depression.
flexion crease , palmar crease any of the normal grooves across the palm that accommodate flexion of the hand by separating folds of tissue.
simian crease  a single transverse palmar crease formed by fusion of the proximal and distal palmar creases; seen in congenital disorders such as Down syndrome.

crease

Etymology: ME, creste, crest
an indentation or margin formed by a doubling back of tissue, such as the folds on the palm of the hand and sole of the foot.

crease

(krēs)
A line or linear depression as produced by a fold.
See also: fold, groove, line

crease

(krēs)
A line produced by a fold.

gluteofemoral crease

The crease that bounds the inferior border of the buttocks.

inframammary crease

The attachment of the inferior edge of the breast to the chest wall; the location of the film during craniocaudal filming of the breast.
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SIMIAN CREASE: Normal palmar crease
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SIMIAN CREASE: Simian crease

simian crease

A crease on the palm of the hand, so called because of its similarity to the transverse flexion crease found in some monkeys. Normally the palm of the hand at birth contains several flexion creases, two of which are separate and approx. transverse. When these two appear to fuse and form a single transverse crease, a simian crease is present. The crease may be present in a variety of developmental abnormalities, including Down syndrome, rubella syndrome, Turner syndrome, Klinefelter syndrome, pseudohypoparathyroidism, and gonadal dysgenesis.
See: illustration

crease

(krēs)
A line or linear depression as produced by a fold.
See also: fold, groove, line
References in periodicals archive ?
It creased heavily but retained both its nature and shape well.
Demaine of the University of Waterloo in Ontario and his coworkers have developed an efficient method for recognizing when a creased sheet indeed is foldable into a flat package.
Demaine and his collaborators started with the one-dimensional case of the folding problem: When is it possible to refold a line segment, which had been creased upward in mountain creases and downward in valley creases, into a compact configuration resembling the cross section of a neatly folded map?
The unflattering look was more Nora Batty than Her Majesty as the flesh-coloured tights creased around her ankles.
Highcon's Direct-to-Pack solution employs completely advanced technology to get rid of usual dies and provide high quality cut and creased sheets from digital data.
Far more startling, however, is what happens when spidrons, laid down like tiles on a flat surface, are creased in just the right way and the flat, tiled structure is forced to fold accordion-style.
Sets of these creased and folded spidrons can themselves be assembled into a wide variety of intricate forms that resemble exotic crystal geodes.
It gave my lids a nice matt colour but creased a little.