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The mylohyoid line is a bony ridge on the internal surface of the body of the mandible. The mylohyoid line extends posterosuperiorly. The mylohyoid line continues as the mylohyoid groove on the internal surface of the ramus. The mylohyoid muscle originates from the anterior (front) part of the mylohyoid line. [1]
Mylohyoid ridge is a ridge on the inner side of the bone of the lower jaw extending from the junction of the two halves of the bone in front of the last molar on each side. When there is loss of posterior teeth, the alveolar ridge gets resorbed, causing extremely sharp ridge and making the mylohyoid ridge prominent.
Its medial surface gives insertion to the temporalis, and presents a ridge which begins near the apex of the process and runs downward and forward to the inner side of the last molar tooth. Between this ridge and the anterior border is a grooved triangular area, the upper part of which gives attachment to the temporalis, the lower part to some ...
Fabian FM (2006). "Observation of the position of the lingula in relation to the mandibular foramen and the mylohyoid groove". Ital J Anat Embryol. 111 (3): 151– 8. PMID 17312921. Tuli A, Choudhry R, Choudhry S, Raheja S, Agarwal S (2000). "Variation in shape of the lingula in the adult human mandible". J. Anat. 197. ( Pt 2) (2): 313– 7.
In human anatomy, the facial skeleton of the skull the external surface of the mandible is marked in the median line by a faint ridge, indicating the mandibular symphysis (Latin: symphysis menti) or line of junction where the two lateral halves of the mandible typically fuse in the first year of life (6–9 months after birth). [1]
The mylohyoid nerve (or nerve to mylohyoid) is a mixed nerve of the head. It is a branch of the inferior alveolar nerve . It provides motor innervation the mylohyoid muscle , and the anterior belly of the digastric muscle .
The medial fibres of the two mylohyoid muscles unite in a midline raphe (where the two muscles intermesh). [3] The mylohyoid muscle separates the sublingual space from the submandibular space, which communicate via a lateral gap between the mylohyoid and hyoglossus muscles at the posterior free margin of mylohyoid muscle. [4]
The mandibular nerve is one of three branches of the trigeminal nerve, and the only one having motor innervation.One branch of it, the inferior alveolar nerve, as well as the inferior alveolar artery, enter the foramen traveling through the body in the mandibular canal and exit at the mental foramen on the anterior mandible at which point the nerve is known as the mental nerve.