OCULAR VESICLE Meaning and
Definition
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Ocular vesicle refers to a developmental structure found in vertebrate embryos that gives rise to the eye. During early embryonic development, a thickening of the ectodermal tissue at the side of the head forms a hollow structure called the optic vesicle. This optic vesicle invaginates, meaning that it folds inward to form a cup-like structure called the optic cup. The optic cup subsequently develops into various eye structures, such as the retina, iris, ciliary body, and the pigmented and sensory layers of the eye.
The ocular vesicle is regarded as a critical stage in eye development, as it lays the foundation for the intricate structures and functions of the eye. It plays a pivotal role in the formation of key eye components, including the lens and other components of the anterior segment of the eye, as well as the blood vessels and nerves that connect to the eye. These structures are essential for proper vision and visual perception.
The formation and differentiation of the ocular vesicle are tightly regulated by a complex interplay of genetic and molecular signals. Any disruptions or abnormalities during this process can result in eye malformations and visual impairments, highlighting the importance of proper ocular vesicle development for normal eye function.
Overall, the ocular vesicle represents a crucial early stage in eye development, culminating in the formation of the complex structure and function of the eye, which underlies the ability to perceive and interpret visual stimuli.
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In embryology, a hollow protrusion from the forebrain from which are developed the structures of the eye.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.
Common Misspellings for OCULAR VESICLE
- ocular vesicne
- ocular vesicme
- ocular vesiclu
- ocular vesiclm
- ocular vesicla
- ocular vesiclg
- ocularvesickle
- o cular vesicle
- oc ular vesicle
- ocu lar vesicle
- ocul ar vesicle
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- ocular vesicl e
Etymology of OCULAR VESICLE
The word "ocular" originates from the Latin word "oculus" meaning "eye". It entered the English language in the early 17th century.
The word "vesicle" comes from the Latin "vesicula", which means "small bladder" or "small sac". It was originally used in medical contexts to refer to various types of fluid-filled sacs or blisters.
Therefore, the term "ocular vesicle" in its etymology refers to a small sac or blister related to the eye or ocular region.
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