digastricadj.n.

Brit.

/dʌɪˈɡastrɪk/, U.S.

/daɪˈɡæstrɪk/

Etymology: < modern Latin digastricus, < Greek δι- , di- comb. form + γαστήρ , γαστρ- belly: compare gastric adj. In French digastrique ‘hauing two bellies’ Cotgrave 1611.

Anatomy.

A. adj.

1. Having two parts swelling like bellies; spec. applied to muscles having two fleshy bellies with an intervening tendinous part, as that of the lower jaw; see B.

ΘΚΠ

the world > life > the body > structural parts > muscle > muscles of specific parts > [adjective] > muscles of jaws

mansorious1578

masseteral1578

digastric1721

masseteric1828

masseterine1842

1721 N. Bailey Universal Etymol. Eng. Dict. Digastric, that has a double belly.

1732 A. Monro Anat. Humane Bones (ed. 2) 102 Where the digastric Muscle of the lower Jaw has its Origin.

1872 T. H. Huxley Lessons Elem. Physiol. (ed. 6) vii. 175 There are muscles which are fleshy at each end and have a tendon in the middle. Such muscles are called digastric or two-bellied.

2. Of or pertaining to the digastric muscle of the lower jaw: see B.

ΚΠ

1828 R. Knox tr. H. Cloquet Syst. Human Anat. 52 To the inside of the mastoid process is a longitudinal depression named the Digastric Groove [Fr. la Rainure digastrique], on account of its giving attachment to the muscle of that name.

1840 G. V. Ellis Demonstr. Anat. 82 The digastric nerve, the largest of the three branches of the portio dura..is distributed by many filaments to the under surface of the posterior belly of the digastric.

1842 E. Wilson Anatomist's Vade Mecum (ed. 2) 49 Upon the inner side of the root of the mastoid process is the digastric fossa.

B. n.

(Also in Latin form digastricus.) A muscle of the lower jaw, thick and fleshy at its extremities, thin and tendinous at its middle.It arises from the back part of the skull, and is inserted into the mandible. Its action is to depress the lower jaw, or to raise the hyoid bone and carry it backwards or forwards as in deglutition. ( New Sydenham Soc. Lexicon)

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

1696 E. Phillips New World of Words (new ed.) Digastric, a double-bellied Muscle, which..ending in..the Chin, draws it downward.

1746 J. Parsons Human Physiognomy i. 30 It serves..to assist the Digastric in opening the Jaws.

1873 St. G. Mivart Lessons Elem. Anat. viii. 286 The digastric is a muscle with two fleshy bellies, with a median tendon.

1881 Athenæum 9 Apr. 496/1 On the Tendinous Intersection of the Digastric.

This entry has not yet been fully updated (first published 1896; most recently modified version published online March 2022).

单词	digastric
释义	digastricadj.n. Brit. /dʌɪˈɡastrɪk/, U.S. /daɪˈɡæstrɪk/ Etymology: < modern Latin digastricus, < Greek δι- , di- comb. form + γαστήρ , γαστρ- belly: compare gastric adj. In French digastrique ‘hauing two bellies’ Cotgrave 1611. Anatomy. A. adj. 1. Having two parts swelling like bellies; spec. applied to muscles having two fleshy bellies with an intervening tendinous part, as that of the lower jaw; see B. ΘΚΠ the world > life > the body > structural parts > muscle > muscles of specific parts > [adjective] > muscles of jaws mansorious1578 masseteral1578 digastric1721 masseteric1828 masseterine1842 1721 N. Bailey Universal Etymol. Eng. Dict. Digastric, that has a double belly. 1732 A. Monro Anat. Humane Bones (ed. 2) 102 Where the digastric Muscle of the lower Jaw has its Origin. 1872 T. H. Huxley Lessons Elem. Physiol. (ed. 6) vii. 175 There are muscles which are fleshy at each end and have a tendon in the middle. Such muscles are called digastric or two-bellied. 2. Of or pertaining to the digastric muscle of the lower jaw: see B. ΚΠ 1828 R. Knox tr. H. Cloquet Syst. Human Anat. 52 To the inside of the mastoid process is a longitudinal depression named the Digastric Groove [Fr. la Rainure digastrique], on account of its giving attachment to the muscle of that name. 1840 G. V. Ellis Demonstr. Anat. 82 The digastric nerve, the largest of the three branches of the portio dura..is distributed by many filaments to the under surface of the posterior belly of the digastric. 1842 E. Wilson Anatomist's Vade Mecum (ed. 2) 49 Upon the inner side of the root of the mastoid process is the digastric fossa. B. n. (Also in Latin form digastricus.) A muscle of the lower jaw, thick and fleshy at its extremities, thin and tendinous at its middle.It arises from the back part of the skull, and is inserted into the mandible. Its action is to depress the lower jaw, or to raise the hyoid bone and carry it backwards or forwards as in deglutition. ( New Sydenham Soc. Lexicon) 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 1696 E. Phillips New World of Words (new ed.) Digastric, a double-bellied Muscle, which..ending in..the Chin, draws it downward. 1746 J. Parsons Human Physiognomy i. 30 It serves..to assist the Digastric in opening the Jaws. 1873 St. G. Mivart Lessons Elem. Anat. viii. 286 The digastric is a muscle with two fleshy bellies, with a median tendon. 1881 Athenæum 9 Apr. 496/1 On the Tendinous Intersection of the Digastric. This entry has not yet been fully updated (first published 1896; most recently modified version published online March 2022). < adj.n.1696
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