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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 ?
The team began by immersing a gold plate in a solution containing normally folded molecules of the protein, some of which spontaneously formed a chemical bond between one of their ends and the surface of the plate.
To understand the changes in protein dynamics that occur in the final stages of folding, scientists at NIST have used quasielastic neutron scattering to probe the differences in the dynamics between the native state and the almost completely folded, molten globule state of the protein bovine a-lactalbumin.
Martha Stewart's Classic Fold: A folded personalized 5 x 7" photo card with holiday designs printed on the front and back of the card.
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?
Previous drilling by Afcan on the distal parts of the western limb of this structure (17 drill intercepts), plus earlier drilling by the First Brigade for Geology and Mineral Exploration in Qinghai Province (Q1) in the core of the fold (15 intercepts) indicates that the folded package is mineralised to varying degrees from M7 through to Pubugou.
Researchers expect that approximately 2/3 of the folded proteins will result in correct topologies and that approximately 1/3 of the predicted structures will match previous folds now stored in the protein data bank/PDB.
Laminated material is cut to length, folded in half and edges ultrasonically sealed, resulting in a sleeved cover closed on three sides.
Likewise, all proteins are formed from only 20 amino acids strung into long chains and folded upon themselves into functional, three-dimensional shapes.
Utilizing unused CPU, these computers running the grid client will attempt to fold a single protein from the set of human proteins with no known shape; it will take several "work units" to fold a single protein and there are many proteins being folded.
Tissue and poly are pressure embossed and laminated, folded lengthwise twice, cut to length, folded back on themselves and folded again as needed to produce the final banquet tablecloth.
Ejection of the properly folded protein, however, does not take place until the capped ring that contains the protein gets a "kick in the butt" from the other, empty ring, explains research team member Paul B.