bleb has definitions from the fields of anatomy,zoology,pathology
1
[ noun ] (pathology) an elevation of the skin filled with serous fluid

Synonyms

bulla blister

Used in print

(J. W. C. Hagstrom et al., "Debilitating muscular...)

On the surfaces of both lungs there were emphysematous blebs measuring up_to 3 cm. in diameter .

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