A narrow band, fringe, or fringe-like anatomical structure; especially in anatomy, a finger-like projection or border of tissue.
From Latin fimbria (fringe, border, edge), related to findere (to split) or possibly to filum (thread). Medical anatomists adopted this Latin term to describe fringe-like structures in the body.
A fimbria looks exactly like its name suggests—fringe-like tentacles at the end of your fallopian tubes help catch your egg each month! The term perfectly captures the structure's feathery appearance.
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