define orbicularis oris
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- Medical Definition of ORBICULARIS ORIS. : a muscle made up of several layers of fibers passing in different directions that encircles the mouth and controls most movements of the lips (as compressing, closing, or pursing movements).edical Definition of ORBICULARIS ORIS. : a muscle made up of several layers of fibers passing in different directions that encircles the mouth and controls most movements of the lips (as compressing, closing, or pursing movements).
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Orbicularis oculi Orbicularis oculi. The orbicularis oculi muscle is one of the two major components that form the core of the eyelid, the other being the tarsal plate. The orbicularis oculi muscle is composed of skeletal muscle fibers, and receives nerves from the facial nerve. It is an important muscle in facial expression.rbicularis oculi. The orbicularis oculi muscle is one of the two major components that form the core of the eyelid, the other being the tarsal plate. The orbicularis oculi muscle is composed of skeletal muscle fibers, and receives nerves from the facial nerve. It is an important muscle in facial expression.
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Orbicularis oculi muscle There are at least 3 clearly defined sections of the orbicularis muscle. However, it is not clear whether the lacrimal section is a separate section, or whether it is just an extension of the Preseptal orbicularis and the Pretarsal orbicularis sections.
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Temporalis The temporalis muscle is one of the three muscles of mastication, the other two being the masseter and the medial pterygoid (which is also known as the 'internal pterygoid muscle').The temporalis is one of the muscles of the head, neck, and face taught as part of many courses in Indian Head Massage.his section is about the Muscles of Face and Neck. The temporalis is a facial muscle, one of a pair of which one is located on either side of the head, slightly above and forward of each ear. An example of a function of the temporalis muscle is to. .
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Orbicularis oculi The orbicularis oculi muscle lies directly underneath the surface the skin, around the eyes. Its function is to close the eyelid, and to help in the passing and draining of tears through the punctum, canaliculi, and lacrimal sac, all parts of the tear drainage system.he orbicularis oculi muscle is composed of three parts: the orbital portion, the palpebral portion, and the lacrimal portion. The orbital portion closes the eyelids firmly and is controlled by voluntary action.
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- /lenˈtikyələr/. 1  Of or relating to the lens of the eye.  A lenticular is a combination of a special lens and an arrayed image that simulates animation or depth. Autostereoscopic images refer to pictures that take advantage of how our eyes and visual cornea process the two images that the left and right eyes receive.
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- Orbicularis oris, a human facial muscle. Knowledge of the location and functions of this facial muscle is useful for massage therapists - especially those providing Indian Head Massage treatments, as well as other therapists and health professionals.
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Orbicularis Oculi Muscle Contraction of the muscle also causes the appearance of folds or crow's feet that radiate out from the outer corner of the eye. The orbicularis oculi muscle is a ringlike band of muscle, called a sphincter muscle, that surrounds the eye. It lies in the tissue of the eyelid and causes the eye to close or blink. At the same time, it compresses the nearby tear gland, or lacrimal gland, aiding the flow of tears over the surface of the eye. Contraction of the muscle also causes the appearance of folds or crow's feet that radiate out from the outer corner of the eye.
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Ocular myasthenia Ocular myasthenia gravis (MG) is a disease of the neuromuscular junction resulting in hallmark variability in muscle weakness and fatigability. MG is an autoimmune disease where anomalous antibodies are produced against the naturally occurring acetylcholine receptors in voluntary muscles. MG may be limited to the muscles of the eye (ocular MG), leading to abrupt onset of weakness/fatigability of the eyelids or eye movement. MG may also involve other muscle groups ( generalized MG ).
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muscle erector muscle of spine a name given the fibers of the more superficial of the deep muscles of the back, originating from the sacrum, spines of the lumbar and the eleventh and twelfth thoracic vertebrae, and the iliac crest, which split and insert as the iliocostal, longissimus, and spinal muscles.oke muscle's Muscles of the two eyes which simultaneously contract to turn the eyes in a given direction. Example: the medial rectus of the right eye and the lateral rectus of the left eye when turning the eyes to the left.
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- Medical Definition of epididymo–orchitis. : combined inflammation of the epididymis and testis.
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Amaurosis fugax Amaurosis fugax. Amaurosis fugax (Latin fugax meaning fleeting, Greek amaurosis meaning darkening, dark, or obscure) is a painless temporary loss of vision in one or both eyes.
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Zygomaticus Minor Muscle ANATOMY. Zygomaticus Minor Muscle is one of the 36 facial muscles. The muscle arises from the Malar Bone (Zygomatic Bone) and connects with Orbicularis Oculi (muscle of face that closes eyelids). Arising from the Zygomatic Bone, it is a thin band of muscle on each side of face.
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Muscles of Facial Expressions, Chewing and Swallowing, and Muscles Acting on Head (Origin), and I: (Insertion) ORBICULARIS OCULI - A: (Action) Sphincter of eyelids; closes eye in blinking, squinting, and sleep; aids in flow of tears across eye; O: (Origin) Lacrimal bone; adjacent regions of frontal bone and maxilla; medial angle of eyelids; I: (Insertion) Upper and lower eyelids; skin around margin of orbit Name the muscle, A: (Action), O: (Origin), and I: (Insertion) HYOGLOSSUS - A: (Action) Depresses tongue; O: (Origin) Body and greater horn of hyoid bone; I: (Insertion) Lateral and inferior surfaces of tongue Name the muscle, A: (Action), O:  TEMPORALIS - A: (Action) Elevation, retraction, and lateral and medial excursion of the mandible; O: (Origin) Temporal
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orbicularis oculi orbicularis oculi, the muscular body of the eyelid, encircling the eye and comprising the palpebral, orbital, and lacrimal muscles. It arises from the nasal part of the frontal bone, the frontal process of the maxilla in front of the lacrimal groove, and the anterior surface of the medial palpebral ligament.rbicularis oculi, the muscular body of the eyelid, encircling the eye and comprising the palpebral, orbital, and lacrimal muscles. It arises from the nasal part of the frontal bone, the frontal process of the maxilla in front of the lacrimal groove, and the anterior surface of the medial palpebral ligament.
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Orbicularis Oris Muscle Human Muscular System Orbicularis Oris Function Orbicularis Oris Muscle Muscular Musculoskeletal Anatomyzone Orbicularis Oris Function, Anatomy And Physiology You Will Learn The Building Blocks Of The Orbicularis Oris Function, Orbicularis Oris Function Orbicularis Oris Action Anatomy, Orbicularis Oculi Muscle Origin And Insertion And Function Orbicularis Oris Function, Orbicularis Oris Muscle Muscular...
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Anterior superior iliac spine Anatomical terms of bone. The anterior superior iliac spine (abbreviated: ASIS) is a bony projection of the iliac bone and an important landmark of surface anatomy. It refers to the anterior extremity of the iliac crest of the pelvis, which provides attachment for the inguinal ligament, and the sartorius muscle. The Tensor fasciae latae muscle attaches about 5cm away at the iliac tubercle.
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Brachioradialis The brachioradialis is a superficial, fusiform muscle on the lateral side of the forearm that attaches proximally on the lateral supracondylar ridge of the humerus and distally on the radius, close to its styloid process. Near the elbow, it forms the lateral limit of the cubital fossa, or elbow pit.
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urachus u·ra·chus. That part of the allantois between the apex of the bladder and the umbilicus; postnatally, the urachus is normally merely a fibrous cord, the median umbilical ligament, but occasionally the allantoic lumen may persist as a urachal fistula. [G. ourachos, the urinary canal of a fetus].hat part of the allantois between the apex of the bladder and the umbilicus; postnatally, the urachus is normally merely a fibrous cord, the median umbilical ligament, but occasionally the allantoic lumen may persist as a urachal fistula.
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Facial and Trigeminal nerve Muscles anterior to the ear, frontal belly of the epicranial muscle, superior part of the orbicularis oculi muscle, and corrugator supercilii muscle.
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Orbicularis oculi Orbicularis oculi. The orbicularis oculi muscle is one of the two major components that form the core of the eyelid, the other being the tarsal plate. The orbicularis oculi muscle is composed of skeletal muscle fibers, and receives nerves from the facial nerve. It is an important muscle in facial expression.he orbicularis oculi muscle is composed of three parts: the orbital portion, the palpebral portion, and the lacrimal portion. The orbital portion closes the eyelids firmly and is controlled by voluntary action.
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illusion ignis fatuus. fancy, phantasy, illusion, fantasy - something many people believe that is false; they have the illusion that I am very wealthy will-o'-the-wisp noun. An erroneous perception of reality: delusion, hallucination, ignis fatuus, illusion, mirage, phantasm, phantasma. Translations. will-o'-the-wisp
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muscle Called also antagonist. appendicular muscle one of the muscles of a limb. articular muscle one that has one end attached to the capsule of a joint. auricular m's. 1. the extrinsic auricular muscles, including the anterior, posterior, and superior auricular muscles.
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Muscles of the Face (Facial Muscles) - Medical Illustration Description: This stock medical illustration depicts the following muscles of the face (facial muscles) : occipitofrontalis, levator labii superioris, zygomaticus minor, zygamticus major, buccinator, levator anguli oris, depressor labii inferioris, temporalis, procerus, orbicularis oculi, levator labii superior alaeque nasi, orbicularis oris, ...
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- home / medterms medical dictionary a-z list / gyrus occipitotemporalis medialis definition Medical Definition of Gyrus occipitotemporalis medialis Gyrus occipitotemporalis medialis: See: Lingual gyrus.
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orbicularis oris orbicularis oris, the muscle surrounding the mouth. It consists partly of fibers derived from other facial muscles such as the buccinator that are inserted into the lips and partly of fibers proper to the lips. It serves to close and purse the lips.rbicularis oris, the muscle surrounding the mouth. It consists partly of fibers derived from other facial muscles such as the buccinator that are inserted into the lips and partly of fibers proper to the lips. It serves to close and purse the lips.