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fold

 [fōld]
plica; a thin margin curved back on itself, or doubling.
amniotic fold the folded edge of the amnion where it rises over and finally encloses the embryo.
aryepiglottic fold a fold of mucous membrane extending on each side between the lateral border of the epiglottis and the summit of the arytenoid cartilage.
circular f's the permanent transverse folds of the luminal surface of the small intestine.
costocolic fold a fold of peritoneum passing from the left colic flexure to the adjacent part of the diaphragm; called also phrenicocolic ligament.
gastric f's the series of folds in the mucous membrane of the stomach.
gluteal fold the crease separating the buttocks from the thigh.
head fold a fold of blastoderm at the cephalic end of the developing embryo.
interdigital fold the free border of the web connecting the bases of adjoining digits.
lacrimal fold a fold of mucous membrane at the lower opening of the nasolacrimal duct.
mucosal fold (mucous fold) a fold of mucous membrane.
nail fold the fold of palmar skin around the base and sides of the nail of a finger or toe.
neural fold one of the paired folds lying on either side of the neural plate that form the neural tube.
semilunar fold of conjunctiva a mucous fold at the medial angle of the eye.
serosal fold (serous fold) a fold of serous membrane.
spiral fold a spirally arranged elevation in the mucosa of the first part of the cystic duct.
tail fold a fold of the blastoderm at the caudal end of the developing embryo.
transverse f's three permanent transverse folds in the rectum.
ventricular fold (vestibular fold) a false vocal cord.
vestigial fold a pericardial fold enclosing the remnant of the embryonic left anterior cardinal vein.
vocal f's true vocal cords.

fold

(fōld),
1. A ridge or margin apparently formed by the doubling back of a lamina. Synonym(s): plica
2. In the embryo, a transient elevation or reduplication of tissue in the form of a lamina.

fold

(fōld) plica; a thin, recurved margin, or doubling over.
amniotic fold  the folded edge of the amnion where it rises over and finally encloses the embryo.
aryepiglottic fold  a fold of mucous membrane extending on each side between the lateral border of the epiglottis and the summit of the arytenoid cartilage.
Douglas' fold  a crescentic line marking the termination of the posterior layer of the sheath of the rectus abdominis muscle, just below the level of the iliac crest.
gastric folds  the series of folds in the mucous membrane of the stomach.
gluteal fold  the crease separating the buttocks from the thigh.
head fold  a crescentic, ventral fold of the embryonic disc at the cephalic end of the developing embryo.
lacrimal fold  a fold of mucous membrane at the lower opening of the nasolacrimal duct.
Marshall's fold  vestigial f. of Marshall.
medullary fold  neural f.
mesonephric fold  see under ridge.
nail fold  the fold of palmar skin around the base and sides of the nail.
neural fold  one of the paired folds lying on either side of the neural plate that form the neural tube.
palmate folds  a system of folds on the anterior and posterior walls of the cervical canal of the uterus.
semilunar fold of conjunctiva  a mucous fold at the medial angle of the eye.
skin fold  skinfold.
tail fold  a crescentic, ventral fold of the embryonic disc at the future caudal end of the developing embryo.
ventricular fold , vestibular fold a false vocal cord.
vestigial fold of Marshall  a pericardial fold enclosing the remnant of the embryonic left anterior cardinal vein.
vocal fold  the true vocal cord.

fold

(fōld)
n.
1. A crease or ridge apparently formed by folding, as of a membrane; a plica.
2. In the embryo, a transient elevation or reduplication of tissue in the form of a lamina.

fold

See plica.

fold

(fōld)
1. A ridge or margin apparently formed by the doubling back of a lamina.
See also: plica
2. In the embryo, a transient elevation or reduplication of tissue in the form of a lamina.

fold

(fōld)
A ridge or margin apparently formed by the doubling back of a lamina.

fold,

n a doubling back of a tissue surface.
fold, mucobuccal (mucobuccal reflection),
n the depth of the oral mucosa from the mandible or maxillae to the cheek.
fold, mucolabial,
n the depth of the oral mucosa from the mandible or maxillae to the lip.
fold, sublingual,
n the crescent-shaped area on the floor of the oral cavity following the medial wall of the mandible and tapering toward the molar regions.
References in periodicals archive ?
Fold the second rectangle of the first rectangle stack on a 45[degrees] angle to align the upper folded edge with the rectangle-stack center stitching line (F).
n]) = 3 can be folded into itself by a folding graph onto a triangle graph.
In his laboratory, a researcher uses a pipette to pick out the properly folded structures.
The translucent glass channels of the north facade, understood conceptually as folded planes, are punctured by operable windows held in steel frames cantilevered from the floor.
A portrait of a power station manager standing before his facility with bare, folded arms uses a low camera angle to stress the muscular pose.
The unique Daily Mail Mode feeder allows up to four stapled or unstapled sheets to be folded at one time through a dedicated feed system, with its own guides, paper sensor and independent skew adjustment system.
Students may also discover that all shapes can be partitioned into the smallest triangle (with area 25/16 square units), thereby allowing one to find the area of all shapes by counting the number of the smallest triangles and multiplying by 25/16 to find the area of the folded shape.
Pull point C out from under the folded paper (figure 5) and fold it up as in figure 6.
And a carefully folded paper crane can often be found hanging from the ceilings or doorways of Japanese shrines and temples.
A minute later, the disorderly mound has turned into a neat pile of perfectly folded items.
Christoph Lueder, chief designer and project architect, developed a modern and visionary response to the 1998 competition brief: a continuous strip of concrete folded six times, each fold creating a new level on the triangular site.
But with a push of a button on the console, the hardtop is folded into the trunk--in 25 seconds.