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单词 masseter
释义

massetern.

Brit. /maˈsiːtə/, /məˈsiːtə/, /ˈmasᵻtə/, U.S. /məˈsidər/
Origin: Either (i) a borrowing from French. Or (ii) a borrowing from Latin. Etymons: French masséter; Latin masseter.
Etymology: < Middle French, French masséter (1555) or its etymon post-classical Latin masseter (1541) < ancient Greek μασσητήρ , variant of μασητήρ chewer (in phrase μῦς μασητήρ chewer muscle) < stem of μασᾶσθαι to chew (perhaps cognate with classical Latin mandere : see manducate v.) + -τηρ, agent suffix. N.E.D. (1905) gives the pronunciation as (mæsī·təɹ) /mæˈsiːtə(r)/.
Anatomy and Zoology.
More fully masseter muscle. Either of a pair of muscles used to raise the lower jaw in chewing, etc., passing from the zygomatic arch and the zygomatic process of the maxilla to the ramus and coronoid process of the mandible on each side of the human head. Also: a homologous muscle in other mammals.
ΘΚΠ
the world > life > the body > structural parts > muscle > muscles of specific parts > [noun] > muscles of jaws
masseter1578
grinder1615
grinder-tongue muscles1615
temporalis muscle1676
digastric1696
pterygoid muscle1732
pterygoid1828
jaw-tackle1831
masseteric1836
1578 J. Banister Hist. Man i. f. 14v (margin) The originall of the muscle called Masseter or Mansorius.
1618 H. Crooke Μικροκοσμογραϕια (new ed.) x. xiii. 754 Sometime vnder the roote of the eare..it passeth into the face, and couereth the Masseter muscle of the Iaw.
1666 J. Smith Γηροκομία Βασιλικὴ (1676) 77 It [sc. the upper jaw] hath..one wonderful pair of Muscles, called, the Masseters.
1694 Philos. Trans. (Royal Soc.) 18 24 A Child..who had just then received a large Wound upon the Masseter Muscle.
1746 R. James in Moffett & Bennet's Health's Improvem. (new ed.) Introd. 4 The external Pterygoide Muscles, and some Fibres of the Masseter, draw the intire inferior Jaw forwards.
1764 Philos. Trans. 1763 (Royal Soc.) 53 11 The Temporal and Masseter muscles..were tense, hard, and spasmodically affected.
1879 St. George's Hosp. Rep. 9 685 The masseters were rigid.
1886 Brain 8 518 The phenomenon is clearly of the same nature as that of the ‘knee-jerk’, and is due to the sudden stretching of the masseter and other muscles of mastication.
1898 B. P. Colton Physiol. ii. 11 Shut the teeth firmly on a piece of rubber, and note the bulging of the Masseter muscles.
1983 E. Leonard LaBrava (1985) iv. 39 Working the masseter. That's the muscle you masticate with.
1986 A. S. Romer & T. S. Parsons Vertebr. Body (ed. 6) ix. 312 A second muscle, the masseter, is more superficial in position, lying external to the original skull roof... In rodents, particularly, it may be highly developed.
This entry has been updated (OED Third Edition, December 2000; most recently modified version published online March 2022).
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n.1578
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