Definitions
from The American Heritage® Dictionary of the English Language, 5th Edition.
- adjective Having two fleshy ends connected by a thinner tendinous portion. Used of certain muscles.
- noun A muscle of the lower jaw that elevates the hyoid bone and assists in lowering the jaw.
from The Century Dictionary.
- In anatomy: Having two fleshy bellies with an intervening tendinous part, as a muscle: as, the omo hyoid, the biventer cervicis, etc., are digastric muscles
- Pertaining to the digastric.
- The digastric groove.
- noun A muscle of the lower jaw: so called because in man it has two bellies.
from the GNU version of the Collaborative International Dictionary of English.
- adjective Having two bellies; biventral; -- applied to muscles which are fleshy at each end and have a tendon in the middle, and esp. to the muscle which pulls down the lower jaw.
- adjective Pertaining to the digastric muscle of the lower jaw.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- adjective Having two
bellies ;biventral - adjective Having two fleshy ends connected by a
tendon - noun The digastric muscle
Etymologies
from Wiktionary, Creative Commons Attribution/Share-Alike License
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Examples
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The Stylohyoid Branch (ramus stylohyoideus) frequently arises in conjunction with the digastric branch; it is long and slender, and enters the Stylohyoideus about its middle.
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On the medial side of the process is a deep groove, the mastoid notch (digastric fossa), for the attachment of the Digastricus; medial to this is a shallow furrow, the occipital groove, which lodges the occipital artery.
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In some cases the pus escapes into the external auditory meatus by perforating its posterior wall; in others a sinus forms on the inner side of the apex of the mastoid, and the pus burrows in the digastric fossa under the sterno-mastoid -- _Bezold's mastoiditis_.
Manual of Surgery Volume Second: Extremities—Head—Neck. Sixth Edition. Alexander Miles 1893
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The _submaxillary gland_ lies under the integument and fascia in the triangle formed by the lower jaw and the two bellies of the digastric muscle.
Manual of Surgery Volume Second: Extremities—Head—Neck. Sixth Edition. Alexander Miles 1893
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After the skin and platysma are divided, the posterior belly of the digastric must be recognised, which again will guide to the posterior edge of the hyo-glossus.
A Manual of the Operations of Surgery For the Use of Senior Students, House Surgeons, and Junior Practitioners Joseph Bell 1874
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The anterior border of the sterno-mastoid must be pulled backwards, and the digastric and stylo-hyoid forwards and inwards.
A Manual of the Operations of Surgery For the Use of Senior Students, House Surgeons, and Junior Practitioners Joseph Bell 1874
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It is only in the cervical portion that the artery is tied, just below the digastric muscle.
An Epitome of Practical Surgery, for Field and Hospital. 1863
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-- Find the great cornu and make an incision about an inch and a half in length through the skin and platysma, two lines above and parallel with it; push up the sub-maxillary gland and find the tendon of the digastric muscle, and the hypoglossal nerve; free this nerve and divide the muscle; open the sheath of the artery; isolate and ligate it.
An Epitome of Practical Surgery, for Field and Hospital. 1863
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Gerrish, or some finely illustrated work on anatomy, but we must apply a searching hand and know to a certainty that the constrictors of neck, or other muscles or ligaments do not pull cervical and hyoid bones so close as to bruise pneumogastric or any other nerves or fibres that would cause spasmodic contraction of digastric, stylo-hyoid or the whole remaining group of neck muscles and ligaments, with which you are or should be very familiar.
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Page 252 upwards and forwards; lay bare the digastric and stylo-hyoid muscles at the bottom of the wound, by means of the point of the director or the forceps and draw them forward with a blunt hook: hold the sites of the incision wide apart, carry the nerve and vein backward with the end of the finger, and cautiously open the sheath of the vessel; and then, with the artery isolated apply the ligature by means of an aneurismal needle.
An Epitome of Practical Surgery, for Field and Hospital. 1863
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