Terminology Service for NFDI4Health
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hyaloid artery

Go to external page http://purl.obolibrary.org/obo/UBERON_0002270

An artery that is part of the optic stalk of the eye and extends from the optic disc through the vitreous humor to the lens. [ http://en.wikipedia.org/wiki/Hyaloid_artery ]

Term info

Label

hyaloid artery

Synonyms
  • arteria hyaloidea
database cross reference
Subsets

uberon_slim, pheno_slim, vertebrate_core

plural term
hyaloid arteries [ ZFA : 0005045 ]

depicted by

http://upload.wikimedia.org/wikipedia/commons/1/1e/Schematic_diagram_of_the_human_eye_en.svg

external definition

Artery that is internal to the eye. Isogai et al. 2001.[TAO]

has related synonym

hyaloid arteries, central artery of retina, Cloquets canal, Cloquet's canal

id

UBERON:0002270

taxon notes

In humans, Usually fully regressed before birth, its purpose is to supply nutrient to the developing lens in the growing fetus. During the tenth week of development the lens grows independent of a blood supply and the hyaloid artery usually regresses. Its proximal portion remains as the central artery of the retina. Regression of the hyaloid artery leaves a clear central zone through the vitreous called the hyaloid canal or Cloquet's canal. Occasionally the artery may not fully regress, resulting in the condition persistent hyaloid artery. More commonly, small remnants of the artery may remain. Free remnants can sometimes be seen as 'floaters'. An anterior remnant of the hyaloid artery can be seen in some people as Mittendorf's dot, a small pinpoint-like scar on the posterior surface of the lens. A posterior remnant may be seen where the artery left the optic disc, and is known as Bergmeister's papilla