orbicularis


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or·bic·u·la·ris

(ōr-bik'yū-lā'ris),
1. Circular; denoting a circular or disc-shaped structure.
2. Synonym(s): orbicular muscle
[L. fr. orbiculus, a small disk]

orbicularis

(or-bik″yŭ-lar′ĭs) (or-bik″yŭ-lar′ēz″) plural.orbiculares
A muscle surrounding an orifice; a sphincter muscle.
References in periodicals archive ?
orbico orbicularis. Only in the condition in which participants were instructed to blink in response to an air puff, they showed a significant drop in subjective annoyance of the puff.
These muscles are the orbicularis oculi; they open and close the eyelids, blink and squint and express an entire range of emotions and together with the zygomaticus major, indicate laughter.
This is because of squeezing of the eye due to contraction of the orbicularis oculi muscle.
The nerve bundles of the zygomatic branch of the facial nerve course through this area to innervate the orbicularis oculi muscle.
Incision into the orbicularis oculi should be made along the margin of the muscle superiorly with the muscle dissected with pericranium inferiorly to spare the fibers.
Table 3 Increasing sensitivity of muscles to neuromuscular blockade Diaphragm Corrugator supercilii Laryngeal adductors Orbicularis occuli Abdominal rectus Abductor digiti minimi Adductor pollicis = first dorsal Interosseous Genioglossus muscles Masseter Pharyngeal Note: "Increasing" is from top to bottom.
orbicularis on specific regions of the host's body shows considerable variation (Bajerlein & Bloszyk 2004).
Technique for blepharoptosis correction using double-breasted orbicularis oculi muscle flaps.
The act of kissing generally uses one muscle, called the orbicularis oris, that is responsible for puckering your lips when you kiss.
They engage muscles both near the corners of the mouth and around the eyes - the zygomatic major and the orbicularis oculi respectively.
Disorder of interneurons in parkinsonism: the orbicularis oculi reflex with paired stimuli.