See also: malléus



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Section of an ear showing location of the malleus
The malleus of a rotifer of the species Brachionus urceolaris (fig. c-d).


From Latin malleus ‎(hammer, mallet)



malleus ‎(plural mallei)

  1. (anatomy) The small hammer-shaped bone of the middle ear.
    A fracture of the malleus handle is a rare traumatic middle ear lesion.
    • 2010, Elaine N. Marieb & Katja Hoehn, Human Anatomy & Physiology, 8th edition, page 576
      The tympanic cavity is spanned by the three smallest bones in the body: the auditory ossicles [] These bones, named for their shape, are the malleus (malʹe-us; "hammer"); the incus (ingʹkus; "anvil"); and the stapes (staʹpēz; "stirrup"). The "handle" of the malleus is secured to the eardrum, and the base of the stapes fits into the oval window.
  2. (ichthyology) The tripus (ossicle in cypriniform fishes).
  3. (zoology) One of the paired calcareous structures within the mastax of rotifers.
    • 1884, Hudson, C.T., Memoirs: An Attempt to re-classify the Rotifers in Quarterly Journal of Microscopical Science 1884 s2-24, pages 335-356:
      [...] in the typical mastax of a Brachionus there are two hammer-like bodies (mallei), which work on a kind of split anvil (incus); [...] each malleus consists of an upper part or head (uncus) and a lower or handle (manubrium);



Derived termsEdit




Latin Wikipedia has an article on:

Wikipedia la

malleus (a mallet)


From Proto-Indo-European *melh₂-no-, from *melh₂- ‎(to grind, crush), whence also molō ‎(I grind). Compare similar semantic development from the same Proto-Indo-European root in Old Church Slavonic млатъ ‎(mlatŭ, hammer), beside the usual reflex млѣти ‎(mlěti).



malleus m ‎(genitive malleī); second declension

  1. hammer, mallet
    • 8 CE, Ovid, Metamorphoses 2.623-625
      [] haud aliter quam cum spectante iuvenca
      lactentis vituli dextra libratus ab aure
      tempora discussit claro cava malleus ictu.
      [] just as when the young suckling calf spies by its right ear the danger poised to crash its resounding hammer blow.
    • 405 CE, Jerome, Vulgate Iudicum.5.26
      sinistram manum misit ad clavum et dexteram ad fabrorum malleos []
      She put her hand to the nail, and her right hand to the workmen's hammer []
  2. a disease of animals
    • c. 260 CE, Quintus Gargilius Martialis, P. Vegeti Renati Digestorum artis mulomedicinae 1.31
      Quod si febris interna fuerit, non facile animal dormiet, et cotidie deterior fiet, interdum furunculos in dorso vel in lateribus habebit: scias eum a morbo, de quo superius disputatum est, maleo teneri.
  3. (New Latin) the malleus, a small bone in the middle ear
    • 1794, Gulielmo Rowley, Schola Medicinæ Universalis Nova, pars prior, page ix
      Chorda tympani—Oſſicula quatuor auditus, 267—Malleus—Incus—Oſſiculum ſubrotundum ovale—Stapes []
      Chorda tympani—four auditory ossicles, 267—malleus—incus—subrotund oval ossicle—stapes []


Second declension.

Case Singular Plural
nominative malleus malleī
genitive malleī malleōrum
dative malleō malleīs
accusative malleum malleōs
ablative malleō malleīs
vocative mallee malleī


Related termsEdit

Derived termsEdit


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