orbicularis


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orbicularis

(ɔːˌbɪkjʊˈlɑːrɪs)
n
(Anatomy) anatomy a muscle surrounding an opening
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
References in periodicals archive ?
orbicularis oculi was recorded and, after the tenth puff, participants completed the first set of VAS scores.
Using the second part of the coil to form the upper part of the mouth, the orbicularis oris, we get the 'Homer Simpson' look (Fig 3).
Normal blinking of human eye increases IOP by 10mmHg and forceful contraction of the orbicularis oculi can increase IOP to Greater than 50mmHg.3 Coughing, straining, and vomiting can lead to an increase in IOP of 30-40mmHg.
We create crow's feet by flexing the orbicularis oculi--a muscle that only flexes when we truly smile.
The following ophthalmic characteristics were also recorded at baseline and at the follow up examinations: visual acuity with correction; presence of orbicularis oculi weakness, lagophthalmos, ectropion, entropion, trichiasis, corneal opacity, corneal ulcer, episcleritis, scleritis, clofazimine crystals on the cornea or conjunctiva, flare and cells, posterior synechia, small pupil, sluggish pupillary reaction to light, iris atrophy and cataract.
* swallowing: the child was instructed to swallow two pieces of bread (2 x 2 cm) in his/her habitual manner followed by two portions of water while the examiner palpated the hyoid bone and the larynx region; bread and water swallowing were evaluated separately; the deglutition pattern was considered abnormal when one or more of the following characteristics were noted: (7) (1) first evaluation: orbicularis oris and/or mentalis muscle contractions, forward head movement, and (2) second evaluation: the child's lips were slightly opened; the tongue position at the exact moment of swallowing was considered as follows:
The incision is made through the skin and dermis, with dissection continuing superiorly just superficial to the orbicularis oculi, pericranium, and temporalis fascia.
Vecuronium neuromuscular blockade at the diaphragm, the orbicularis oculi, and adductor pollicis muscles.
? Fake or fixed smiles: When an emotion is not genuine, the zygomatic and orbicularis oculi muscles don't work together in the same way, so the smile doesn't reach to the eyes.
Uropoda orbicularis (Acari: Uropodidae) is a widespread phoretic mite found in temperate and arid climates associated with a wide range of beetle species (Bajerlein & Bloszyk 2004).
orbicularis, toxicity studies of various species, and the Ayurvedic drug formulation Triphala.
In this, two orbicularis oculi muscle flaps are created, one superiorly based and one inferiorly based.