malleusとは 意味・読み方・使い方

語源

From Latin malleus (“hammer, mallet”). Doublet of maul.

発音

• (英国発音, 米国発音) IPA^(key): /ˈmæl.i.əs/
• 韻: -æliəs

名詞

malleus (複数形 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);

同意語

• (bone of the middle ear): hammer
• (tripus): malleus Weberi, tripus

上位語

• (bone of the middle ear): auditory ossicle, auditory bone, otic bone, ossicle

派生語

• malleal
• mallear
• malleable

参照

• The Century Dictionary Online
• Dictionary of Ichthyology, Brian W. Coad and Don E. McAllister
• A Dictionary of Scientific Terms, Henderson I. F., Henderson W. D., BiblioBazaar, LLC, 2009, →ISBN, →ISBN, page 174

Latin

語源

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 verb млѣти (mlěti, “grind”).

発音

• (Classical) IPA^(key): /ˈmal.le.us/, [ˈmälːʲeʊs̠]
• (Ecclesiastical) IPA^(key): /ˈmal.le.us/, [ˈmälːeus]

名詞

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 […]

語形変化

Second-declension noun.

同意語

• martellus (Medieval Latin)

派生語

• malleō
• malleolus

派生した語

参照

• “malleus”, in Charlton T. Lewis and Charles Short (1879) A Latin Dictionary, Oxford: Clarendon Press
• “malleus”, in Charlton T. Lewis (1891) An Elementary Latin Dictionary, New York: Harper & Brothers
• malleus in Charles du Fresne du Cange’s Glossarium Mediæ et Infimæ Latinitatis (augmented edition with additions by D. P. Carpenterius, Adelungius かつ others, edited by Léopold Favre, 1883–1887)
• “malleus”, in Harry Thurston Peck, editor (1898) Harper's Dictionary of Classical Antiquities, New York: Harper & Brothers
• “malleus”, in William Smith et al., editor (1890) A Dictionary of Greek and Roman Antiquities, London: William Wayte. G. E. Marindin