Results 211 to 220 of about 16,802 (254)
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HYPERTROPHY OF THE MASSETER MUSCLE
Archives of Otolaryngology - Head and Neck Surgery, 1946THE masseter muscle originates on the zygomatic arch and the zygomatic process of the maxilla and is inserted into the lateral aspect of the angle and ramus of the mandible. When the muscle is activated by a clenching of the teeth, its belly can be seen bulging under the skin, and the anterior edge may easily be palpated in the substance of the buccal ...
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Intramuscular hemangioma of the masseter muscle
European Archives of Oto-Rhino-Laryngology, 1999Intramuscular hemangiomas (IMH) are uncommon tumors of the head and neck, but often occur in the trunk and extremities. When present in the head, the masseter muscle is the most frequently involved site, although constituting only 0.8% of all hemangiomas. Accurate preoperative diagnosis is uncommon without cytology or biopsy.
C Mutlu +4 more
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Unilateral enlargement of the masseter muscle
International Journal of Oral Surgery, 1979Benign hypertrophy of the masseter muscle is a relatively uncommon condition which may occur unilaterally or bilaterally. The etiology of the ailment is unclear in the majority of cases, and the histopathological features are usually those of normal muscle. A case of unilateral masseter muscle enlargement is described in a 19-year-old Arab male.
Amos Buchner +2 more
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INTRAMUSCULAR HEMANGIOMA OF THE MASSETER MUSCLE
Plastic and Reconstructive Surgery, 1977We present a case of intramuscular hemangioma of the masseter muscle. We stress that, although there can be apparent vascular infiltration of the muscle, this lesion is benign; it should not be mistakenly diagnosed as an angiosarcoma.
John Conley, Albert A. Clairmont
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Neural organization of the masseter muscle in the pig
Journal of Comparative Neurology, 1989AbstractThe neural organization of the pig masseter, an architecturally and functionally compartmentalized muscle, was investigated by using dissection, glycogen depletion, evoked electromyography, and counts of axon numbers at various levels along the masseteric nerve.
Susan W. Herring +2 more
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The role of the muscle spindles in human masseter
Human Movement Science, 2001In the limb muscles, the muscle spindles have been demonstrated to be important in the maintenance of static posture. This role is supported by the close proximity of the muscle spindles to motor units that develop small forces and are fatigue-resistant, and the greater effectiveness of the input from muscle spindle afferents onto the small motoneurons
Scutter, Sheila Doreen +1 more
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Journal of Maxillofacial Surgery, 1986
Masseter muscle hypertrophy (MMH) is most probably a congenital, genetically determined anomaly. Thus we should refer to it as hyperplasia rather than hypertrophy of the masseteric muscle. Excision of the internal layer of the masseter muscle and reduction of the thickened bone in the region of the mandibular angle, via an intraoral approach, is the ...
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Masseter muscle hypertrophy (MMH) is most probably a congenital, genetically determined anomaly. Thus we should refer to it as hyperplasia rather than hypertrophy of the masseteric muscle. Excision of the internal layer of the masseter muscle and reduction of the thickened bone in the region of the mandibular angle, via an intraoral approach, is the ...
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Reflex responses of masseter muscles to sound
Clinical Neurophysiology, 2010Acoustic stimuli can evoke reflex EMG responses (acoustic jaw reflex) in the masseter muscle. Although these were previously ascribed to activation of cochlear receptors, high intensity sound can also activate vestibular receptors. Since anatomical and physiological studies, both in animals and humans, have shown that masseter muscles are a target for ...
DERIU, Franca +3 more
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Huge Arteriovenous Malformation in Masseter Muscle
Journal of Craniofacial Surgery, 2009Arteriovenous malformation is a tumor characterized by direct connection between an artery and vein without capillaries in-between, and it is commonly located intracranially. Intramuscular arteriovenous malformations are rare in the head and neck region. Less than 1% of the vascular tumors are localized in a muscle, 15% of them are in the head and neck
Alper Ozdilek +4 more
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Masseter muscle rigidity after vecuronium
European Journal of Anaesthesiology, 1999Masseter muscle rigidity after suxamethonium, usually occurring in children induced with halothane, is associated with malignant hyperthermia. A case is reported in which masseter muscle rigidity occurred in an adult following vecuronium. From the limited data available, this and two similar reported cases, it appears that non-depolarizing muscle ...
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