See Also: polycentric(medicine)

vesicle (iou) and polycentric (medicine)


vesicle (iou)



vesicle noun. L16.
[French vesicule or Latin vesicula dim. of VESICA: see -ULE.]
a. Anatomy & Zoology. A small fluid-filled bladder or sac within the body; an alveolus of the lung; a small cyst. Freq. with specifying word. L16.
GRAAFIAN vesicle. optic vesicle: see OPTIC adjective. POLIAN vesicle. PURKINJEAN vesicle. seminal vesicle: see SEMINAL adjective.
b. Botany. An air-filled swelling in a plant structure (e.g. the thallus of a seaweed). L17.
Physics. A minute bubble or spherule of liquid or vapour, esp. any of those composing a cloud or fog. M18.
b. Geology. A small spherical or oval cavity produced by the presence of bubbles of gas or vapour in volcanic rocks. E19.
Medicine. A small rounded elevation of the skin containing serous fluid; a blister. L18.

polycentric (medicine)


polycentric


Having several centres.