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Topic: Buccinator muscle


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  buccinator muscle (anatomy) - General Practice Notebook   (Site not responding. Last check: 2007-10-11)
Buccinator is one of the muscles of the cheeks and lips.
Deep to the muscle is the mucous membrane of the cheek.
It is not a primary muscle of mastication - it does not move the jaw - and this is reflected in its motor innervation from the facial nerve.
www.gpnotebook.co.uk /cache/-845545395.htm   (249 words)

  
  Buccinator muscle - Wikipedia, the free encyclopedia
The buccinator compresses the cheeks against the teeth and is used in acts such as blowing.
It is an assistant muscle of mastication (chewing).
The Buccinator is a thin quadrilateral muscle, occupying the interval between the maxilla and the mandible at the side of the face.
en.wikipedia.org /wiki/Buccinator_muscle   (441 words)

  
 RDH - Muscles of the Head and Neck: A Review
The muscles of the head and neck region are divided into several groups: cervical muscles, muscles of facial expression, muscles of mastication, hyoid muscles, and muscles of the tongue, pharynx, and soft palate.
The temporalis muscle is a broad, fan-shaped muscle that elevates and retracts the mandible.
2 The muscles of the soft palate are the palatoglossus, palatophyngeus, levator veli palatine, tensor veli palatine, and the uvula.
rdh.pennnet.com /Articles/Article_Display.cfm?Section=ARTCL&ARTICLE_ID=263038&VERSION_NUM=2&p=56   (1799 words)

  
 [No title]   (Site not responding. Last check: 2007-10-11)
The buccinator muscle is innervated by the buccal branches of the facial nerve--this muscle pulls the corner of mouth laterally and presses the cheek against the teeth.
Buccinator is a muscle on the side of the face which pulls the corner of mouth laterally and presses the cheek against the teeth.
The medial pterygoid muscle protracts and elevates the mandible; it inserts on the medial surface of the ramus and angle of the mandible.
www-personal.umich.edu /~benwei/cgi-data/shared/linked/Oral(PQ).doc   (6332 words)

  
 [No title]
The Frontalis muscle (F) arises from the Galea aponeurotica near the coronal suture, inserts onto the supercilliary ridge of the frontal bone, and interdigitates with fibers of the Procerus, Corrugator, Depressor supercilli, and Orbicularis oculi muscles.
The antagonists of the Frontalis muscle are the central brow depressors consisting of the Procerus, Corrugator, and Depressor supercilli muscles and the lateral depressor of the brow, the superolateral portion of the pre-orbital Orbicularis oculi (Figure 3-4).
The Platysma is a broad sheet of muscle arising from the fascia of the Pectoralis and the Deltoid muscles.
www.slackbooks.com /excerpts/66623/66623.asp   (2694 words)

  
 psychegames
The buccinator is a muscle of which the bulk of is located in the cheeks.
The buccinator compresses the cheeks against the teeth and is used in acts such as blowing.
It is an assistant muscle of mastication (chewing).
www.psychegames.com /buccinator-muscle.htm   (72 words)

  
 Skeletal Muscle   (Site not responding. Last check: 2007-10-11)
Muscle fibers of this muscle are found in both the upper and lower eyelid, giving the muscle a circular profile.
Interestingly, the cat's rectus muscle is not segmented; that is, its muscle is not interrupted by tendinous inscriptions.
The muscle compartments of the upper limb are supplied by branches of the brachial plexus; those of the lower limb by branches of the lumbosacral plexus.
ext.sac.edu /faculty_staff/mansfield_patricia/6head.html   (1705 words)

  
 biology - List of muscles of the human body
2 The muscles of the anterolateral region of the neck
The muscles of the anterolateral region of the neck
The muscles of the shoulder and musculotendinous cuff
www.biologydaily.com /biology/List_of_muscles_of_the_human_body   (102 words)

  
 AACPS In-Service Exam
This muscle arises inferiorly, laterally, and posteriorly from the medial surface of the pterygoid plate and inserts on the medial ramus and mandibular angle.
This muscle of facial expression is innervated by the buccal branches of the facial nerve and acts to flatten the cheek against the teeth.
The muscles of facial expression, the posterior belly of the digastric, the stylohyoid, and the stapedius are derived from the second branchial arch and are innervated by the facial (VII) nerve.
www.aacplasticsurgery.org /member4/newcore2003/2003/headneckanatomy03.html   (2352 words)

  
 Chapter 11: The Muscular System   (Site not responding. Last check: 2007-10-11)
Rectus means "straight," and rectus muscles are parallel muscles whose fibers generally run along the long axis of the body.
Muscles visible at the body surface are often called externus or superficialis, whereas deeper muscles are termed internus or profundus.
Before sewing machines were invented, a tailor would sit on the floor cross-legged, and the name of this muscle was derived from sartor, the Latin word for "tailor." On the face, the buccinator muscle compresses the cheeks, as when you purse your lips and blow forcefully.
cwx.prenhall.com /bookbind/pubbooks/martinidemo/chapter11/medialib/CH11/html/ch11_3_3.html   (689 words)

  
 [No title]   (Site not responding. Last check: 2007-10-11)
buccinator muscle if the lesion were at the stylomastoid foramen.
muscles that both open and tightly close the lips if the lesion were at the stylomastoid foramen.
all of the striated muscles associated with it are innervated by the facial nerve.
www.med.unc.edu /~fewj/Head_and_Neck_I_Self_Assessment.doc   (1458 words)

  
 Dissection of the opossum face, BAA 289L 2004
The facial musculature is considered “primitive” in that it is closer to the condition in non-mammals--few independent muscles have differentiated and the superficial musculature appears as a single sheet of muscle overlying the face [1].
The superficial muscles responsible for moving the pinnae were easily visible as thin reddish sheets of muscle with prominent fibers.  These muscles include: the cervicoauricularis superficialis, cervicoauricularis medius, and interscutularis muscles.  The interscutularis muscles are the most extensive and the most rostral.
We did a superficial examination of the suprahyoid muscles.  The anterior bellies of the digastric muscle are large and located on the lateral sides of the lower jaw.  The mylohyoid muscle is rostral and medial to it.  A small portion of the geniohyoid muscle is visible rostral to the mylohyoid muscle. 
www.baa.duke.edu /companat/BAA_289L_2004/jaw_and_face_mm/Opossum/opossum_face.htm   (637 words)

  
 Facial Weakness
The orbicularis oculi muscle is innervated by the temporal branch.
The buccinator is innervated by the buccal branch.
The depressor angularis oris muscle is innervated by two branches: the buccal branch and the mandibular branch.
pediatricneuro.com /alfonso/pg177.htm   (210 words)

  
 Oral Pharyngeal Dysphagia   (Site not responding. Last check: 2007-10-11)
The orbicularis oris is a circular-appearing muscle that extends posteriorly from the buccinator muscle, with upper and lower muscle fibers inserting into the upper and lower lip.
The buccinator, combined secondarily with the masseter muscle, serves to tighten the cheeks during mastication and swallowing, inhibiting buccal pocketing.
When the goal of treatment is to increase symmetry of contraction of the orbicularis oris and buccinator muscles, as in the case of unilateral cerebral infarcts, biofeedback can be used to assist the patient in matching the weakened musculature to the stronger intact side.
www.bfe.org /protocol/pro06eng.htm   (2297 words)

  
 The Face
Together with the buccinator muscle, it helps to hold the food between the teeth during mastication.
This is a narrow slip of muscle, and passes obliquely from the zygomatic bone to the orbicularis oris.
The seventh cranial nerve supplies the superficial muscle of the neck (platysma), the muscles of facial expression, the auricular muscles and the scalp muscles.
download.videohelp.com /vitualis/med/face.htm   (1383 words)

  
 Human Anatomy - Lab 23 Step 8   (Site not responding. Last check: 2007-10-11)
Examine the buccinator muscle and the associated nerves.
Identify the buccal branch of the mandibular nerve which provides cutaneous sensation to the zygomatic region and sensory innervation to the vestibule of the oral cavity, it does not innervate the buccinator muscle.
Remember that all muscles of facial expression are innervated by CN VII and all muscles of mastication are supplied by the motor division of the mandibular nerve (V3).
ect.downstate.edu /courseware/haonline/labs/l23/080102.htm   (93 words)

  
 AACPS Corequest
The correct response is Option A. Because the buccinator muscle is sandwiched between the facial artery and the oral mucosa, it must be included in a facial artery musculomucosal flap.
The buccinator muscle originates from the pterygomandibular raphe and inserts into the orbicularis oris muscle and mucosa of the lateral lip elements.
The orbicularis oris muscle is anterior to the plane of dissection for the facial artery musculomucosal flap.
www.aacplasticsurgery.org /member4/newcore2003/2005/flaps.html   (820 words)

  
 Korean Journal of Radiology
The buccal space is an anatomical compartment lying anterior to the masticator space and lateral to the buccinator muscle.
1) anatomical boundaries are the buccinator muscle medially, the superficial layer of the deep cervical fascia and the muscles of facial expression laterally and anteriorly, and the masseter muscle, mandible, lateral and medial pterygoid muscles and the parotid gland posteriorly (1).
The buccinator muscle originates from the alveolar processes of the maxilla and the mandible, and it inserts into the pterygomandibular raphe.
www.kjronline.org /abstract/view_articletext.asp?year=2005&page=22   (3066 words)

  
 Dorlands Medical Dictionary
nucha´lis the fascia on the muscles in the dorsal region of the neck.
perine´i [TA] fascia of perineum: fascia that invests the ischiocavernous, bulbospongiosus, and superficial transverse perineal muscles; it is attached to the ischiopubic rami, perineal membrane, and perineal body, and anteriorly it is continuous with the suspensory ligament of the penis or clitoris.
exi´lis a cluster of muscle fibers connecting the flexor pollicis longus with the medial condyle of the humerus, or with the coronoid process of the ulna.
www.mercksource.com /pp/us/cns/cns_hl_dorlands.jspzQzpgzEzzSzppdocszSzuszSzcommonzSzdorlandszSzdorlandzSzdmd_f_03zPzhtm   (3018 words)

  
 Human Anatomy - Lab 23 Step 4   (Site not responding. Last check: 2007-10-11)
Anterior to the masseter muscle, identify the buccal fat pad [held by forceps].
Approximately 2 cm inferior and parallel to the zygomatic arch, identify the parotid duct [different specimen] as it crosses the superficial surface of the masseter muscle.
At the anterior border of the masseter muscle, the parotid duct pierces the buccinator muscle and enters the vestibule of the oral cavity opposite the second upper premolar tooth.
ect.downstate.edu /courseware/haonline/labs/l23/040102.htm   (87 words)

  
 Inflammatory Myofibroblastic Tumor Involving the Pterygopalatine Fossa -- Ribeiro et al. 22 (3): 518 Figure 1 -- ...
Note the preservation of the fat (white arrows) between the mass and lateral pterygoid muscle (L), indicating that the mass is arising anterior to the masticator space in the pterygopalatine fossa.
D, Axial contrast-enhanced CT scan obtained through the maxillary alveolar ridge shows the enlarged buccinator muscle on the left (arrowheads), with reticulation of the adjacent fat (small white arrows).
Note the normal appearance of the buccinator muscle on the contralateral side.
www.ajnr.org /cgi/content/full/22/3/518/F1   (255 words)

  
 Buccinator Muscle of the Face (Cheek Muscle)
Buccinator originates in the maxilla and mandible in the area of the molar teeth and inserts into various muscles at the corner of the mouth.
It acts to compress the cheeks tight to the teeth, and tighten and pull the lip corners inwards and somewhat laterally, often dimpling the cheeks.
Buccinator is innervated by the deep buccal branches of the facial nerve (VII) and is supplied with blood by the maxillary and facial arteries.
face-and-emotion.com /dataface/expression/buccinator.html   (123 words)

  
 The Muscles of the Mouth
380) is a thin quadrilateral muscle, occupying the interval between the maxilla and the mandible at the side of the face.
Some of the Buccinator fibers—namely, those near the middle of the muscle—decussate at the angle of the mouth, those arising from the maxilla passing to the lower lip, and those from the mandible to the upper lip.
The Buccinators compress the cheeks, so that, during the process of mastication, the food is kept under the immediate pressure of the teeth.
www.tripdatabase.com /spider.html?itemid=159487   (1661 words)

  
 Gray's Anatomy of the Human Body - The Mouth - Yahoo! Education   (Site not responding. Last check: 2007-10-11)
954) is directed backward, and connected with the hyoid bone by the Hyoglossi and Genioglossi muscles and the hyoglossal membrane; with the epiglottis by three folds (glossoepiglottic) of mucous membrane; with the soft palate by the glossopalatine arches; and with the pharynx by the Constrictores pharyngis superiores and the mucous membrane.
The muscles of opposite sides are separated at their insertions by the median fibrous septum of the tongue; in front, they are more or less blended owing to the decussation of fasciculi in the median plane.
On the Hyoglossus it lies between the lingual and hypoglossal nerves, but at the anterior border of the muscle it is crossed laterally by the lingual nerve; the terminal branches of the lingual nerve ascend on its medial side.
messenger.yahooligans.com /reference/gray/subjects/subject?id=242   (10336 words)

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