frenulum
[解]小系带
发音
词形变化
别名
释义与例句
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1.
A small fold or ridge of tissue that supports or restrains the motion of the part to which it is attached, in particular a fold of skin beneath the tongue, or between the lip and the gum.
系带
医学Humans have three oral frenulums: beneath the tongue, between the upper lip and gum, and between the lower lip and gum.
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2.
A small fold or ridge of tissue that supports or restrains the motion of the part to which it is attached, in particular a fold of skin beneath the tongue, or between the lip and the gum.
Such a ridge of tissue connecting the foreskin to the glans on the underside of the penis; the penile frenulum.
医学 -
3.
A bristle or row of bristles on the edge of the hindwings of some lepidoptera which unites the wings by interlocking with a catch on the posterior part of the forewings.
生物 动物学
词源
Borrowed from New Latin frēnulum, diminutive of frēnum (“a bridle, curb, bit”).
来源：wiktionary