frenulumとは 意味・読み方・使い方

別の表記

• fraenulum, frænulum (both hypercorrect)

語源

Borrowed from New Latin frēnulum, diminutive of frēnum (“a bridle, curb, bit”).

発音

• (Received Pronunciation) IPA: /ˈfriː.njʊl.əm/
• (General American) IPA: /ˈfrɛn.jəl.əm/

名詞

frenulum (plural frenula or frenulums)

1. (anatomy) 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.

   Synonym: frenum

   Humans have three oral frenulums: beneath the tongue, between the upper lip and gum, and between the lower lip and gum.

   1. (specifically) Such a ridge of tissue connecting the foreskin to the glans on the underside of the penis; the penile frenulum.

      Synonym: fiddlestring (slang)

2. (entomology, zootomy) 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.

派生語

参照

• “frenulum”, in Lexico, Dictionary.com; Oxford University Press, 2019–2022.
• “frenulum”, in Merriam-Webster Online Dictionary, Springfield, Mass.: Merriam-Webster, 1996–present.

語源

From frēnum (“a bridle, curb, bit”) +‎ -ulum (diminutive nominal suffix).

発音

• (modern Italianate Ecclesiastical) IPA: [ˈfrɛː.nu.lum]

名詞

frēnulum n (genitive frēnulī); second declension (New Latin)

1. diminutive of frēnum

Inflection

Second-declension noun (neuter).

派生した語

• → English: frenulum