vesicle

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Related to optic vesicle: Optic stalk, lens placode
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Synonyms for vesicle

a small anatomically normal sac or bladderlike structure (especially one containing fluid)

References in periodicals archive ?
One of these dysplasias is congenital anophthalmia, which is defined as a complete absence of the eye due to a developmental lack (primary anophthalmia) or an early differentiation arrest (secondary anophthalmia) of the optic vesicles during early phases of gestation [2].
Gruss, "Pax6 is required for establishing naso-temporal and dorsal characteristics of the optic vesicle," Development, vol.
Each eye-stalk contains an optic vesicle that houses a biconvex lens, two separate retinas, and a concave mirror (Dakin, 1910; Barber et al., 1967).
EMBRYOLOGICAL BASIS: Anophthalmos occurs when the neuroectoderm of the primary optic vesicle fails to develop properly from the anterior neural plate of the neural tube during embryological development.
Optic disc coloboma is a rare, unilateral or bilateral, condition resulting from incomplete closure of the embryonic cleft that develops from the optic vesicle during foetus development.