The fissure separating the eyelids, defining the opening between them when the eyes are open
Palpebral fissure
Front of left eye with eyelids separated to show medial canthus. (Palpebral fissure, visible but not labeled, is artificially widened.)
Details
Synonyms
Interpalpebral fissure
Identifiers
Latin
rima palpebrarum
TA98
A15.2.07.030
TA2
205
FMA
59110
Anatomical terminology
[edit on Wikidata]
The palpebral fissure is the elliptic space between the medial and lateral canthi of the two open eyelids. In simple terms, it is the opening between the eyelids. In adult humans, this measures about 10 mm vertically and 30 mm horizontally.
The palpebralfissure is the elliptic space between the medial and lateral canthi of the two open eyelids. In simple terms, it is the opening between...
canthi are, respectively, the medial and lateral ends/angles of the palpebralfissure. The bicanthal plane is the transversal plane linking both canthi...
adduction, with associated narrowing of the palpebralfissure (eye closing). Widening of the palpebralfissure on attempted abduction. (N. B. Mein and Trimble...
eyes consists of inspection of the eyelids, surrounding tissues and palpebralfissure. Palpation of the orbital rim may also be desirable, depending on...
circumference (microcephaly) Congenital malformations of lips: short palpebralfissure lengths, smooth philtrum, and thin upper lip. Nervous system damage:...
permanently cover part of the eyes. Both the vertical and horizontal palpebralfissures (eyelid openings) are shortened; the eyes also appear spaced more...
eyelid (epicanthal folds), up-slanting opening between the eyelids (palpebralfissures) and hooded eyelids. Other physical features include the fifth finger...
bird-like face with a beak-like nose, large eyes with down-slanting palpebralfissures, receding mandible and intellectual disability. A mouse model has...
below) at some point of life. Typical dysmorphic features include long palpebralfissures with eversion of the lateral third of the lower eyelid and two or...
vasoconstriction in the iris and sclera, pupillary dilation, widening of the palpebralfissure, and the reduced production of tears. The SCG innervates blood vessels...
the conjunctiva (chemosis) is seen along the corners of the eye (palpebralfissures). About 30 percent of people with leptospirosis (also known as Weil's...
in which the skin is continuous over the eyeball with absence of palpebralfissures and presence of eyelashes. It is classified into three types: complete...
hypotonia, a round face with full cheeks, epicanthal folds, down-slanting palpebralfissures (eyelids), strabismus, flat nasal bridge, down-turned mouth, low-set...
divide the gland into two sections, a palpebral lobe, or portion, and an orbital lobe or portion. The smaller palpebral lobe lies close to the eye, along...
Dolichocephaly Frontal hair down sweep Very large forehead Downslanted palpebralfissures far apart eyes Missing part of the upper eyelids Small, simple ears...
through the infraorbital foramen and terminates by dividing into inferior palpebral, lateral nasal and superior labial branches. The nerve is accompanied...
performed where the eyelids are partially sewn together. This reduces the palpebralfissure (eyelid separation), ideally leading to a reduction in tear evaporation...
examples of the possible dysmorphic features include: downslanting palpebralfissures, broad nasal bridge, microcephaly, low-set ears, preauricular tags...