vesicle

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vesicle

1. Pathol
a. any small sac or cavity, esp one containing serous fluid
b. a blister
2. Geology a rounded cavity within a rock formed during solidification by expansion of the gases present in the magma
3. Botany a small bladder-like cavity occurring in certain seaweeds and aquatic plants

vesicle

[′ves·ə·kəl]
(biology)
A small, thin-walled bladderlike cavity, usually filled with fluid.
(geology)
A cavity in lava formed by entrapment of a gas bubble during solidification. Also known as air sac; bladder; saccus; vacuole; wing.
References in periodicals archive ?
1996: The structure of basaltic scoria and reticulite and inferences for vesiculation, foam formation, and fragmentation in lava fountains.
MVs generated from deformed erythrocytes through vesiculation also contribute to an acceleration of the coagulation cascade via strong procoagulant activity and by serving as a rich source of PS (Martinez et al.
Clinical diagnosis of OSMF was based on symptom of burning sensation in mouth upon consumption of spicy or hot foods, repeated vesiculation or ulceration in oral cavity and signs observed were vesicles/ulcers in oral cavity, areas of fibrosis in vestibule of mouth, oral cavity proper and oropharynx, partial or complete inability to protrude out the tongue (ankyloglossia) with or without reduced mouth opening (trismus).
Treatment results in an inflammatory response consisting of erythema, vesiculation, desquamation, erosion and re-epithelialization.
The primary efficacy indicator used was the Physician's Global Assessment (this measures erythema, scaling, hyperkeratosis/lichenification, vesiculation, oedema, fissures, and pruritis/pain graded according to proportion of hand surface affected).
4 MU I/M as a single dose along with erythromycine 500mg four times daily for 7 days if the history of vesiculation or recurrences is not present.
In the early papular phase, numerous neutrophils can be seen in the epidermis, whereas in a fully developed lesion both neutrophils and lymphocytes are present, accompanied by spongiosis and vesiculation, he said.
At 36 h after induction with either 7-NI or 5-HT, pyknotic nuclei and vesiculation within the neuropil of the AG suggested continuing PCD activity (Fig.
If the volatile pressure exceeds the confining pressure of the magma, then vesiculation (bubble nucleation and growth) can occur and the volatile phase is exsolved from the magma.