sigmoid notch

sigmoid notch,

a concavity on the superior surface of the mandibular ramus between the coronoid and condyloid processes.

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notch,

n an indentation.

notch, buccal,

n the notch in the flange of a denture that accommodates the buccal frenum.

notch, coronoid

n greatest concavity on the anterior border of the ramus of the mandible.

notch, hamular,

n See notch, pterygomaxillary.

notch, labial,

n the notch in the labial flange of a maxillary or mandibular denture that accommodates the labial frenum.

notch, mandibular,

n a semicircular depression located on the mandible between the condyle and the coronoid process. Fibers arise from the anterior edge of the temporalis to form a distinct muscle, the temporalis minor, that inserts onto the mandibular notch.

notch, pterygomaxillary

n (hamular notch), the notch or fissure formed at the junction of the maxilla and the hamular, or pterygoid, process of the sphenoid bone.

notch, sigmoid,

n the concavity on the superior surface of the ramus of the mandible lying between the coronoid and condyloid processes.

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sigmoid (sig´moid),

adj of or pertaining to an S shape, as in the shape of the pelvic end of the colon prior to its joining the rectum.

sigmoid notch,

n See notch, mandibular.