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The vitreous fluid is not present at birth (the eye being filled with only the gel-like vitreous body), but found after age 4-5, and increases in size thereafter. [1] Produced by cells in the non-pigmented portion of the ciliary body, the vitreous humour is derived from embryonic mesenchyme cells, which degenerate after birth. [1]
Vitreous body, a clear gel that fills the space between the lens and the retina in vertebrate eyes Vitreous membrane , a layer of collagen separating the vitreous body from the rest of the eye See also
The spaces of the eye are filled with the aqueous humour anteriorly, between the cornea and lens, and the vitreous body, a jelly-like substance, behind the lens, filling the entire posterior cavity. The aqueous humour is a clear watery fluid that is contained in two areas: the anterior chamber between the cornea and the iris, and the posterior ...
Hyalocytes, also known as vitreous cells, are cells of the vitreous body, which is the clear gel that fills the space between the lens and the retina of the eye. Hyalocytes occur in the peripheral part of the vitreous body, and may produce hyaluronic acid and collagen fibrils , [ 1 ] [ 2 ] Hyalocytes are star-shaped (stellate) cells with oval ...
It is important to distinguish vitritis from other types of cells in the vitreous cavity such as red blood cells (vitreous hemorrhage), pigment cells (retinal tear), and tumor cells (lymphoma, retinoblastoma, choroidal melanoma). The underlying etiology of the inflammation must be determined so that appropriate treatment can be given.
Bahasa Indonesia; Қазақша ... Crystalline deposits in vitreous body (H43.3) Other vitreous opacities Vitreous membranes and strands (H43.8) Other disorders of ...
Vitreology is a historic reference to a subspecialised field of ophthalmology and vision science that deals exclusively with the health and disease of the vitreous body within the eye. [ 1 ] [ 2 ] References to the term vitreology have become less common since the 1970s.
Vitrification is the progressive partial fusion of a clay, or of a body, as a result of a firing process. As vitrification proceeds, the proportion of glassy bond increases and the apparent porosity of the fired product becomes progressively lower. [3] [10] Vitreous bodies have open porosity, and may be either opaque or translucent. In this ...