antimongoloid slant

A downward slant of the eyelid in the horizontal plane that is opposite that of individuals with trisomy 21—‘mongolism’; the finding is non-specific and may be seen in various congenital syndromes—e.g., Treacher-Collins syndrome and Franceschetti (oculomandibulofacial) syndrome—and is accompanied by a bird-like facies

antimongoloid slant

Antimongolic fissure Pediatrics A downward slant of the eyelid in the horizontal plane that is opposite that of individuals with trisomy 21–'mongolism'; the finding is nonspecific and may be seen in various congenital syndromes–eg, Treacher-Collins syndrome and Franceschetti–oculomandibulofacial syndrome, and is accompanied by a bird-like facies.

antimongoloid slant 

A condition in which the nasal corners of the palpebral fissure are higher than the temporal corners, as opposed to the typical mongoloid slant. This occurs when the lateral palpebral ligament is inserted lower than the medial palpebral ligament. It is a feature of the Treacher Collins syndrome.
References in periodicals archive ?
This early fusion preventing skull growth also shows facial dysmorphism including a long narrow head, Hypertelorism, bilateral Exophthalmos, antimongoloid slant of a palpebral fissure, a high arched palate, severe mandibular hypoplasia and narrow maxilla, low set ears.
INTRODUCTION: Treacher Collins syndrome is a complex disorder characterized by hypoplasia of facial bones (mandible, maxilla, cheek bones), antimongoloid slant of palpebral fissures, coloboma of the lower lid, deafness, and bilateral anomalies of the auricle.