Orifice separating upper and lower eyelids. In the human adult this measures about 10mm vertically and 30 mm horizontally. It can be reduced in size in fetal alcohol syndrome. In Trisomy 9 the palpebral fissures can be upslanting. [WP,modified]. [ http://en.wikipedia.org/wiki/Palpebral_fissure ]
This is just here as a test because I lose it
Term information
database
cross reference
- MA:0001266
- Wikipedia:Palpebral_fissure
- SCTID:280576003
- FMA:59110
Subsets
uberon_slim, pheno_slim
Term relations
Subclass of:
- orifice
- ectoderm-derived structure
- overlaps some outer canthus
- overlaps some inner canthus
- adjacent to some upper eyelid
- adjacent to some lower eyelid
- part of some camera-type eye