Medical Definition of Musculus orbicularis palpebrarum

1. Consists of three portions: orbital part, or external portion, which arises from frontal process of maxilla and nasal process of frontal bone, encircles aperture of orbit, and is inserted near origin; palpebral part, or internal portion, which arises from medial palpebral ligament, passes through each eyelid, and is inserted into lateral palpebral raphe; lacrimal part (tensor tarsi muscle, Duverney's or Horner's muscle) arises from posterior lacrimal crest and passes across lacrimal sac to join palpebral portion; action, closes eye, wrinkles forehead vertically; nerve supply, facial. Synonym: musculus orbicularis oculi, musculus orbicularis palpebrarum, orbicular muscle of eye, sphincter oculi. (05 Mar 2000)



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Lexicographical Neighbors of Musculus Orbicularis Palpebrarum

musculus obliquus inferior
musculus obliquus internus abdominis
musculus obliquus superior
musculus obturator externus
musculus obturator internus
musculus occipitalis
musculus occipitofrontalis
musculus omohyoideus
musculus opponens digiti minimi
musculus opponens digiti quinti
musculus opponens minimi digiti
musculus opponens pollicis
musculus orbicularis
musculus orbicularis oculi
musculus orbicularis palpebrarum (current term)
musculus orbitalis
musculus orbitopalpebralis
musculus palatoglossus
musculus palatopharyngeus
musculus palatosalpingeus
musculus palatostaphylinus
musculus palmaris brevis
musculus palmaris longus
musculus papillaris
musculus pectoralis
musculus pectoralis major
musculus pectoralis minor
musculus peroneocalcaneus

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