anterior chamber angle

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anterior chamber angle

The angle between the cornea and iris at the periphery of the anterior chamber of the eye.
See also: angle


situated at or directed toward the front; opposite of posterior. In quadrupeds the use of the term is limited to parts of the head but is often used to mean cranially. In bipeds such as humans it is synonymous with ventral.

anterior abdomen pain
elicited pain in the anterior abdomen caused, in cattle, by reticulitis, hepatic or splenic abscess, abomasal ulcer and intestinal obstruction.
anterior chamber
the part of the eyeball between the cornea and the iris, filled with aqueous humor.
anterior chamber angle
see iridocorneal angle.
anterior compartment
chamber of the eye bounded by the iris and cornea; contains the aqueous humor as it moves to the filtration angle; called also anterior chamber.
anterior cruciate ligament
see cranial (anterior) cruciate ligament.
anterior (cranial) drawer sign
cranial, nonrotary movement of the proximal tibia in relation to the distal femur. Normally restricted by the cranial (anterior) cruciate ligament and used as a diagnostic test for rupture of that structure.
anterior epithelial layer
of the cornea is a noncornified, stratified, squamous epithelium, continuous with the bulbar conjunctival epithelium.
anterior functional stenosis
achalasia of the reticulo-omasal sphincter causing ingesta to accumulate in the reticulorumen.
anterior limiting membrane
of the cornea is a combination of the basement membrane, a felted layer of fine collagen fibers; substantial only in primates.
anterior pituitary
anterior pituitary hormones
anterior station trypanosomes
a section of the genus Trypanosoma in which the infectious stages accumulate in the mouthparts and salivary glands of the intermediate host so that the parasite is transmitted when the insect vector takes a blood meal. Called also Salivaria. See also posterior station trypanosomes.
anterior vena cava
see vena cava.
References in periodicals archive ?
TX Primary tumor cannot be assessed T0 No evidence of primary tumor T1 Tumor limited to the iris T2 Tumor involves 1 quadrant or less, with invasion into the anterior chamber angle T3 Tumor involves more than 1 quadrant, with invasion into the anterior chamber angle, ciliary body, and/or choroid T4 Tumor with extraocular invasion
The anterior chamber angle is the angle between the anterior surface of the iris and the posterior surface of the cornea.
This unique location allows placement at a safe distance from the natural lens, the cornea, and the anterior chamber angle.
Once the disease is suspected, it is relatively easy to confirm it by the examination of the anterior chamber angle of the eye using gonioscopy and by checking the IOP.
The scan itself only takes a couple of seconds, but requires more operator skill to focus on either the cornea or the anterior chamber angle as desired.
Assessment of the anterior chamber angle (ACA) and anterior chamber depth (ACD) is necessary for several reasons.

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