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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)
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

(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.
References in periodicals archive ?
In-depth analysis of Global (United States, European Union and China) Folding Electric Bike market segments by Applications: Age < 18, Age 18-50 & Age > 50
Hummingbird has a unigue and simple folding mechanism in which the trailing arm pivots around the crank.
Both Double and Double folding and double folding are available in the same machine.
folding glass walls and swing doors, ensuring a seamless whole house glazing package.
In the first puzzle the folding results in BACHELOR.
We will denote the set of graph folding between graphs [G.sub.1] and [G.sub.2] by [eta] ([G.sub.1], [G.sub.2]) and the set of graph folding of [G.sub.1] to itself by [eta] ([G.sub.1]).
To exploit this force for folding, Lee and his colleagues combined two hydrogel layers: one that swells a great deal and one that doesn't swell.
However, the use of packaging materials has been reduced at the expense of folding cartons.
A SCRIPT IS NOW AVAILABLE FOR USE DURING FLAG FOLDING CEREMONIES.
*** Folding box--Four cylinders, 240 tons each side
It's best to have three soldiers doing the job--two folding the shroud manually and another on the ground making sure they've got it folded correctly.
The Western Europe market for folding cartons showed annual growth rates of about two per cent between 1998 and 2003, measured in actual packs sold.