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Mandibular Division Of The Trigeminal Nerve
The mandibular nerve (V3) is the largest of the three divisions of the trigeminal nerve The trigeminal nerve (the fifth cranial nerve, or simply CN V) is a nerve responsible for sensation in the face and motor functions such as biting and chewing; it is the most complex of the cranial nerves Cranial nerves are the nerve A ner ..., the fifth cranial nerve (CN V). Structure The large sensory root emerges from the lateral part of the trigeminal ganglion The trigeminal ganglion (or Gasserian ganglion, or semilunar ganglion, or Gasser's ganglion) is a sensory ganglion of the trigeminal nerve (CN V) that occupies a cavity (Meckel's cave) in the dura mater, covering the trigeminal impression near the a ... and exits the cranial cavity The cranial cavity, also known as intracranial space, is the space within the skull The skull is a bone A bone is a rigid tissue Tissue may refer to: Biology * Tissue (biology), an ensemble of similar cells that together carry out a s ...
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Mandibular Division
The mandibular nerve (V3) is the largest of the three divisions of the trigeminal nerve, the fifth cranial nerve (CN V). Structure The large sensory root emerges from the lateral part of the trigeminal ganglion and exits the cranial cavity through the Foramen ovale (skull), foramen ovale. Portio minor, the small motor root of the trigeminal nerve, passes under the trigeminal ganglion and through the Foramen ovale (skull), foramen ovale to unite with the sensory root just outside the skull. The mandibular nerve immediately passes between tensor veli palatini, which is medial, and lateral pterygoid muscle, lateral pterygoid, which is lateral, and gives off a Meningeal branch of the mandibular nerve, meningeal branch (nervus spinosus) and the nerve to medial pterygoid from its medial side. The nerve then divides into a small anterior and large posterior trunk. The anterior division gives off branches to three major muscles of mastication and a buccal nerve, buccal branch which is sen ...
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Mylohyoid Muscle
The mylohyoid muscle or diaphragma oris is a paired muscle Skeletal muscles (commonly referred to as muscles) are organs An organ is a group of tissues with similar functions. Plant life and animal life rely on many organs that co-exist in organ systems. A given organ's tissues can be broadly cat ... of the neck. It runs from the mandible In anatomy Anatomy (Greek ''anatomē'', 'dissection') is the branch of biology concerned with the study of the structure of organisms and their parts. Anatomy is a branch of natural science which deals with the structural organization of li ... to the hyoid bone The hyoid bone (lingual bone or tongue-bone) () is a horseshoe A horseshoe is a fabricated product, normally made of metal A metal (from Greek Greek may refer to: Greece Anything of, from, or related to Greece Greece ( el, Ε ..., forming the floor of the oral cavity of the mouth In animal anatomy Anatomy (Greek ''anatomē'', 'dissection') ...
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Medial Pterygoid Muscle
The medial pterygoid muscle (or internal pterygoid muscle), is a thick, quadrilateral muscle of the face The face is the front of an animal's head that features the eyes Eyes are organs An organ is a group of tissues with similar functions. Plant life and animal life rely on many organs that co-exist in organ systems. A given organ's ti .... It is supplied by the mandibular branch of the trigeminal nerve The trigeminal nerve (the fifth cranial nerve, or simply CN V) is a nerve responsible for Sense, sensation in the face and motor functions such as biting and chewing; it is the most complex of the cranial nerves. Its name ("trigeminal" = ''tr ... (V). It is important in mastication Chewing or mastication is the process by which food Food is any substance consumed to provide Nutrient, nutritional support for an organism. Food is usually of plant, animal or Fungus, fungal origin, and contains essential nutrients, such a ... (chewing). Structure The m ...
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Medial Pterygoid Nerve
Medial may refer to: Mathematics * Medial magma In abstract algebra, a medial magma or medial groupoid is a Magma (algebra), magma or Magma (algebra)#History_and_terminology, groupoid (that is, a Set (mathematics), set with a binary operation) which satisfies the identity (mathematics), identit ..., a mathematical identity in algebra Geometry * Medial axis The medial axis of an object is the set of all points having more than one closest point on the object's boundary. Originally referred to as the topological skeleton In shape analysis (digital geometry), shape analysis, skeleton (or topologica ..., in geometry the set of all points having more than one closest point on an object's boundary * Medial graph In the mathematical Mathematics (from Greek Greek may refer to: Greece Anything of, from, or related to Greece Greece ( el, Ελλάδα, , ), officially the Hellenic Republic, is a country located in Southeast Europe. Its population i ..., another grap ...
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Masseter
In human anatomy, the masseter is one of the muscles of mastication There are four classical muscles of mastication. During mastication, three muscles of mastication (''musculi masticatorii'') are responsible for adduction of the jaw, and one (the lateral pterygoid) helps to Abduction (kinesiology), abduct it. Al .... Found only in mammals, it is particularly powerful in herbivores A herbivore is an animal Animals (also called Metazoa) are multicellular A multicellular organism is an organism In biology, an organism () is any organic, life, living system that functions as an individual entity. All ... to facilitate chewing of plant matter. The most obvious muscle of mastication is the masseter muscle, since it is the most superficial and one of the strongest. Structure The masseter is a thick, somewhat quadrilateral muscle, consisting of two heads, superficial and deep. The fibers of the two heads are continuous at their insertion. Superficial hea ...
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Masseteric Nerve
The masseteric nerve is a nerve A nerve is an enclosed, cable-like bundle of fibers (called axon An axon (from Greek ἄξων ''áxōn'', axis), or nerve fiber (or nerve fibre: see spelling differences Despite the various English dialects Dialect The term diale ... of the face. It is a branch of the mandibular nerve The mandibular nerve (V3) is the largest of the three divisions of the trigeminal nerve, the fifth cranial nerve (CN V). Structure The large sensory root emerges from the lateral part of the trigeminal ganglion and exits the cranial cavity through ... (V3). It crosses the mandibular notch The upper border of the ramus of mandible is thin, and is surmounted by two processes, the coronoid process anteriorly and the condyloid process The condyloid process or condylar process is the process on the human mandible In anatomy Anato ... to reach masseter muscle In human anatomy, the masseter is one of the muscles of mastication There are four cl ...
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Muscles Of Mastication
There are four classical muscles of mastication. During mastication Chewing or mastication is the process by which food Food is any substance consumed to provide nutritional support for an organism In biology, an organism (from Ancient Greek, Greek: ὀργανισμός, ''organismos'') is any indiv ..., three muscles of mastication (''musculi masticatorii'') are responsible for adduction Motion Image:Leaving Yongsan Station.jpg, 300px, Motion involves a change in position In physics, motion is the phenomenon in which an object changes its position (mathematics), position over time. Motion is mathematically described in terms o ... of the jaw, and one (the lateral pterygoid) helps to abduct it. All four move the jaw laterally. Other muscles, usually associated with the hyoid The hyoid bone (lingual bone or tongue-bone) () is a horseshoe , and are nailed to the underside of the hoof A horseshoe is a fabricated product, normally made of metal, although so ...
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Mental Nerve
The mental nerve is a sensory nerve A sensory nerve, or afferent nerve, is a general anatomic term for a nerve A nerve is an enclosed, cable-like bundle of nerve fibers called axon An axon (from Greek ἄξων ''áxōn'', axis), or nerve fiber (or nerve fibre: see American and ... of the face The face is the front of an animal's head that features the eyes Eyes are organs An organ is a group of tissues with similar functions. Plant life and animal life rely on many organs that co-exist in organ systems. A given organ's tis .... It is a branch of the posterior trunk of the inferior alveolar nerve The inferior alveolar nerve (sometimes called the inferior dental nerve) is a branch of the mandibular nerve, which is itself the third branch of the trigeminal nerve The trigeminal nerve (the fifth cranial nerve, or simply CN V) is a nerve res ..., itself a branch of the mandibular nerve The mandibular nerve (V3) is the largest of the three divisions of the tri ...
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Auriculotemporal Nerve
The auriculotemporal nerve is a branch of the mandibular nerve The mandibular nerve (V3) is the largest of the three divisions of the trigeminal nerve, the fifth cranial nerve (CN V). Structure The large sensory root emerges from the lateral part of the trigeminal ganglion and exits the cranial cavity through ... (V3) that runs with the superficial temporal artery In human anatomy The human body is the structure of a human being. It is composed of many different types of cells that together create tissues and subsequently organ systems. They ensure homeostasis In biology Biology is the natur ... and vein, and provides sensory innervation to various regions on the side of the head. Structure Origin The auriculotemporal nerve arises as two roots from the posterior division of the mandibular nerve The mandibular nerve (V3) is the largest of the three divisions of the trigeminal nerve, the fifth cranial nerve (CN V). Structure The large sensory root emerges from ...
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Lateral Pterygoid Nerve
The lateral pterygoid nerve (or external pterygoid nerve) is a branch of the anterior division of the mandibular nerve The mandibular nerve (V3) is the largest of the three divisions of the trigeminal nerve, the fifth cranial nerve (CN V). Structure The large sensory root emerges from the lateral part of the trigeminal ganglion and exits the cranial cavity through .... It usually originates as two separate branches that travel near the buccal nerve The buccal nerve (long buccal nerve) is a nerve in the face. It is a branch of the mandibular nerve (which is itself a branch of the trigeminal nerve) and transmits sensory information from skin over the buccal membrane (in general, the cheek) and ..., and enter the deep surfaces of the superior and inferior heads of the lateral pterygoid muscle The lateral pterygoid muscle (or external pterygoid muscle) is a muscle of mastication Chewing or mastication is the process by which food Food is any substance consumed to provide nu ...
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Deep Temporal Nerves
The deep temporal nerves, are two branches of the anterior division of the mandibular nerve The mandibular nerve (V3) is the largest of the three divisions of the trigeminal nerve, the fifth cranial nerve (CN V). Structure The large sensory root emerges from the lateral part of the trigeminal ganglion and exits the cranial cavity through ... that innervate the temporalis In anatomy Anatomy (Greek ''anatomē'', 'dissection') is the branch of biology concerned with the study of the structure of organism In biology, an organism (from Ancient Greek, Greek: ὀργανισμός, ''organismos'') is any indi .... Structure The deep temporal nerves are usually two in number and termed the anterior deep temporal nerve and posterior deep temporal nerve. They branch from the anterior division of the mandibular nerve and travel above the upper border of the lateral pterygoid muscle The lateral pterygoid muscle (or external pterygoid muscle) is a muscle of mastication Chewi ...
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Masseteric Nerve
The masseteric nerve is a nerve A nerve is an enclosed, cable-like bundle of fibers (called axon An axon (from Greek ἄξων ''áxōn'', axis), or nerve fiber (or nerve fibre: see spelling differences Despite the various English dialects Dialect The term diale ... of the face. It is a branch of the mandibular nerve The mandibular nerve (V3) is the largest of the three divisions of the trigeminal nerve, the fifth cranial nerve (CN V). Structure The large sensory root emerges from the lateral part of the trigeminal ganglion and exits the cranial cavity through ... (V3). It crosses the mandibular notch The upper border of the ramus of mandible is thin, and is surmounted by two processes, the coronoid process anteriorly and the condyloid process The condyloid process or condylar process is the process on the human mandible In anatomy Anato ... to reach masseter muscle In human anatomy, the masseter is one of the muscles of mastication There are four cl ...
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