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head - uscles of the Head eck and orso uscles of the Head...

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Unformatted text preview: uscles of the Head, eck, and orso uscles of the Head, eck, and orso Danil Hammoudi.MD Danil Hammoudi.MD uscle iber/Nerve erminal uscle iber/Nerve erminal motor end plate motor end plate A-band band Z-line line sarcolemma sarcolemma motor neuron motor neuron myofibril myofibril sarcomere sarcomere I-band band endomysium endomysium Some definition Some definition • aponeurosis- A sheetlike fibrous membrane, resembling a flattened tendon, that serves as a fascia to bind muscles together or as a means of connecting muscle to bone. any of the deeper and thicker fascia that attach muscles to bones; resemble flattened tendons, • fascia - a sheet or band of fibrous connective tissue separating or binding together muscles and organs etc • Ligament: A ligament is a tough band of connective tissue that connects various structures such as two bones. "Ligament" is a fitting term; it comes from the Latin "ligare" meaning "to bind or tie. • aponeurosis- A sheetlike fibrous membrane, resembling a flattened tendon, that serves as a fascia to bind muscles together or as a means of connecting muscle to bone. any of the deeper and thicker fascia that attach muscles to bones; resemble flattened tendons, • fascia - a sheet or band of fibrous connective tissue separating or binding together muscles and organs etc • Ligament: A ligament is a tough band of connective tissue that connects various structures such as two bones. "Ligament" is a fitting term; it comes from the Latin "ligare" meaning "to bind or tie. • Tendon: The tissue by which a muscle attaches to bone. A tendon is somewhat flexible, but fibrous and tough. Muscles of the head Muscles of the head • Epicranius.: Occipitofrontalis The epicranius covers the forehead, the top of the skull, and the back of the skull. It has two bellies, joined in the middle by a large aponeurosis [ galea aponeurotica ( epicranial aponeurosis ) ] . Its primary action is to raise the eyebrows. • Orbicularis oculi. The primary action is to close the eye. • Orbicularis oris. The primary action of this muscle is to close or “purse” the lips. This muscle is used when whistling or kissing. • Masseter* . The primary action of this muscle is to elevate the mandible. This muscle originates on the zygomatic arch and maxilla, and it inserts on the angle and • Epicranius.: Occipitofrontalis The epicranius covers the forehead, the top of the skull, and the back of the skull. It has two bellies, joined in the middle by a large aponeurosis [ galea aponeurotica ( epicranial aponeurosis ) ] . Its primary action is to raise the eyebrows. • Orbicularis oculi. The primary action is to close the eye. • Orbicularis oris. The primary action of this muscle is to close or “purse” the lips. This muscle is used when whistling or kissing....
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  • Spring '10
  • OPARA
  • Superior oblique muscle, Levator palpebrae superioris muscle, lateral rectus muscle, Inferior rectus muscle, annulus of Zinn, Superior rectus muscle

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head - uscles of the Head eck and orso uscles of the Head...

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