lacrimal fold

(redirected from Hasner fold)

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.

lac·ri·mal fold

[TA]
a fold of mucous membrane guarding the lower opening of the nasolacrimal duct.

lacrimal fold

Etymology: L, lacrima, tear; AS, fealdan
a valvelike fold of mucous membrane at the lower part of the nasolacrimal duct. Also called Hasner's fold.

lac·ri·mal fold

(lak'ri-măl fōld) [TA]
A fold of mucous membrane guarding the lower opening of the nasolacrimal duct.
Synonym(s): plica lacrimalis [TA] .

Bianchi,

Giovanni, Italian anatomist, 1681-1761.
Bianchi nodule - a nodule at the center of the free border of each semilunar valve at the beginning of the pulmonary artery and aorta. Synonym(s): nodule of semilunar valve
Bianchi valve - a fold of mucous membrane guarding the lower opening of the nasolacrimal duct. Synonym(s): lacrimal fold

Hasner,

Joseph Ritter von, Czech ophthalmologist, 1819-1892.
Hasner fold - a fold of mucous membrane guarding the lower opening of the nasolacrimal duct. Synonym(s): Hasner valve; lacrimal fold
Hasner lid
Hasner operation
Hasner valve - Synonym(s): Hasner fold

Huschke,

Emil, German anatomist, 1797-1858.
Huschke auditory teeth - tooth-shaped formations or ridges occurring on the vestibular lip of the limbus lamina spiralis of the cochlear duct. Synonym(s): auditory teeth
Huschke canal
Huschke cartilages - two horizontal cartilaginous rods at the edge of the cartilaginous septum of the nose.
Huschke foramen - an opening in the floor of the bony part of the external acoustic meatus near the tympanic membrane.
Huschke ligament
Huschke valve - a fold of mucous membrane guarding the lower opening of the nasolacrimal duct. Synonym(s): lacrimal fold

Rosenmüller,

Johann C., German anatomist, 1771-1820.
organ of Rosenmüller - a collection of rudimentary tubules in the mesosalpinx between the ovary and the uterine tube. Synonym(s): epoöphoron
Rosenmüller fossa - Synonym(s): Rosenmüller recess
Rosenmüller gland - Synonym(s): node of Cloquet
Rosenmüller node - Synonym(s): node of Cloquet
Rosenmüller recess - a slitlike depression in the membranous pharyngeal wall extending posterior to the opening of the eustachian tube. Synonym(s): pharyngeal recess; Rosenmüller fossa
Rosenmüller valve - a fold of mucous membrane guarding the lower opening of the nasolacrimal duct. Synonym(s): lacrimal fold