pupillary margin of iris
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Iris (anatomy) — Iris The iris is the blue area. The other structures visible are the pupil center and the white sclera surrounding the iris. The overlying cornea is pictured, but not visible, as it is transparent … Wikipedia
margin — A boundary, edge, or border, as of a surface or structure. SEE ALSO: border, edge. SYN: margo [TA]. [L. margo, border, edge] acetabular m. [TA] the rim of bone around the acetabulum to whic … Medical dictionary
Iris cyst — An iris cyst, or uveal cyst, is a small hollow structure either attached to the iris of the eye or floating free in the anterior chamber. An iris cyst is composed of a single cell layer of epithelium and is filled with fluid. [cite journal… … Wikipedia
Iris pigment epithelium — Anatomy The iris pigment epithelium (IPE) is a two cell thick layer of cuboidal cells lying behind the iris. Both layers are jet black due to the numerous large melanosomes which pack the cytoplasm of each cell. Towards the central axis, the IPE… … Wikipedia
Iris — The iris is the circular, colored curtain of the eye. Its opening forms the pupil. The iris helps regulate the amount of light that enters the eye. The eye has a number of other key components. These include the cornea, pupil, lens, retina,… … Medical dictionary
iris — n. the part of the eye that regulates the amount of light that enters. It forms a coloured muscular diaphragm across the front of the lens; light enters through a central opening, the pupil. A ring of muscle round the margin contracts in bright… … The new mediacal dictionary
border — The part of a surface that forms its outer boundary. SEE ALSO: edge, margin, b.. SYN: margo [TA]. alveolar b. 1. the most occlusal edge of the alveolar bone; 2. SYN: alveolar process of … Medical dictionary
margo — SYN: margin, border. [L.] m. acetabularis acetabular margin. m. anterior [TA] SYN: anterior border. m. anterior corporis pancreatis [TA] SYN: anterior border of body of pancreas. m. anterior fibulae [TA] SYN … Medical dictionary
margo pupillaris iridis — [TA] pupillary margin of iris: the inner edge of the iris, surrounding the pupil … Medical dictionary
Pupil — The opening of the iris. The pupil may appear to open (dilate) and close (constrict) but it is really the iris that is the prime mover; the pupil is merely the absence of iris. The pupil determines how much light is let into the eye. Both pupils… … Medical dictionary
