palpebral fissure


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Related to palpebral fissure: clinodactyly, Epicanthal folds

palpebral fissure

[′pal·pə·brəl ′fish·ər]
(anatomy)
The opening between the eyelids.
References in periodicals archive ?
Typically for FAS, linear facial distances such as the palpebral fissure length are measured for comparison to reference values.
A 1-year-old male cinnamon pearl cockatiel (Nymphicus hollandicus) was presented for evaluation of apparent fusion of the upper and lower right eyelids and narrowing of the palpebral fissure of the left eye.
These include microcephaly, short palpebral fissures, the long smooth philtrum and thin vermilion of the upper lip, joint anomalies, altered palmar crease pattern, and mental retardation.
Among others, these include hypoplastic zygomas, downward sloping palpebral fissures, malformed pinnae, abnormalities of the external auditory canal (stenosis or atresia), maldevelopment of the ossicles, absence of middle ear and tympanic spaces, pharyngeal hypoplasia, deficient mandibular rami and a cleft palate.
Physical features of the more serious Fetal Alcohol Syndrome (FAS) include smooth philtrum, thin vermillion border, short palpebral fissures, microcephaly, and growth deficiencies in weight and height.
Case Report: The patient had high forehead, frontal bossing, macrocephaly, apparent hypertelorism, down-slanting palpebral fissures and a broad nasal root.