Muscles of Head and Neck GENERAL INFORMATION Innervated by the facial nerve Derivatives of the 2nd...

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Muscles of Head and Neck GENERAL INFORMATION • Innervated by the facial nerve • Derivatives of the 2nd pharyngeal arch • Insert into the skin to provide movement • Most muscles of facial expression are localized around the facial orifices • There is no deep fascia along the face Muscles of head and neck can be divided into 5 groups: -Oral -Nasal -Orbital -Auricular -Scalp -Neck

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Transcript of Muscles of Head and Neck GENERAL INFORMATION Innervated by the facial nerve Derivatives of the 2nd...

Page 1: Muscles of Head and Neck GENERAL INFORMATION Innervated by the facial nerve Derivatives of the 2nd pharyngeal arch Insert into the skin to provide movement.

Muscles of Head and NeckGENERAL INFORMATION• Innervated by the facial nerve• Derivatives of the 2nd pharyngeal arch• Insert into the skin to provide movement• Most muscles of facial expression are localized around the facial orifices• There is no deep fascia along the face

Muscles of head and neck can be divided into 5 groups:-Oral -Nasal -Orbital -Auricular -Scalp -Neck

Page 2: Muscles of Head and Neck GENERAL INFORMATION Innervated by the facial nerve Derivatives of the 2nd pharyngeal arch Insert into the skin to provide movement.

ORAL GROUP

Page 3: Muscles of Head and Neck GENERAL INFORMATION Innervated by the facial nerve Derivatives of the 2nd pharyngeal arch Insert into the skin to provide movement.
Page 4: Muscles of Head and Neck GENERAL INFORMATION Innervated by the facial nerve Derivatives of the 2nd pharyngeal arch Insert into the skin to provide movement.
Page 5: Muscles of Head and Neck GENERAL INFORMATION Innervated by the facial nerve Derivatives of the 2nd pharyngeal arch Insert into the skin to provide movement.
Page 6: Muscles of Head and Neck GENERAL INFORMATION Innervated by the facial nerve Derivatives of the 2nd pharyngeal arch Insert into the skin to provide movement.
Page 7: Muscles of Head and Neck GENERAL INFORMATION Innervated by the facial nerve Derivatives of the 2nd pharyngeal arch Insert into the skin to provide movement.

Muscle of mastication

Page 8: Muscles of Head and Neck GENERAL INFORMATION Innervated by the facial nerve Derivatives of the 2nd pharyngeal arch Insert into the skin to provide movement.
Page 9: Muscles of Head and Neck GENERAL INFORMATION Innervated by the facial nerve Derivatives of the 2nd pharyngeal arch Insert into the skin to provide movement.
Page 10: Muscles of Head and Neck GENERAL INFORMATION Innervated by the facial nerve Derivatives of the 2nd pharyngeal arch Insert into the skin to provide movement.

ORBITAL GROUP

Page 11: Muscles of Head and Neck GENERAL INFORMATION Innervated by the facial nerve Derivatives of the 2nd pharyngeal arch Insert into the skin to provide movement.
Page 12: Muscles of Head and Neck GENERAL INFORMATION Innervated by the facial nerve Derivatives of the 2nd pharyngeal arch Insert into the skin to provide movement.
Page 13: Muscles of Head and Neck GENERAL INFORMATION Innervated by the facial nerve Derivatives of the 2nd pharyngeal arch Insert into the skin to provide movement.

NASAL GROUP

Page 14: Muscles of Head and Neck GENERAL INFORMATION Innervated by the facial nerve Derivatives of the 2nd pharyngeal arch Insert into the skin to provide movement.
Page 15: Muscles of Head and Neck GENERAL INFORMATION Innervated by the facial nerve Derivatives of the 2nd pharyngeal arch Insert into the skin to provide movement.

EAR GROUP

Outside

Inner

Page 16: Muscles of Head and Neck GENERAL INFORMATION Innervated by the facial nerve Derivatives of the 2nd pharyngeal arch Insert into the skin to provide movement.

Outer muscles

Inner muscles

Page 17: Muscles of Head and Neck GENERAL INFORMATION Innervated by the facial nerve Derivatives of the 2nd pharyngeal arch Insert into the skin to provide movement.

SCALP GROUP

Page 18: Muscles of Head and Neck GENERAL INFORMATION Innervated by the facial nerve Derivatives of the 2nd pharyngeal arch Insert into the skin to provide movement.

NECK GROUP

Neck muscles can be divided into two parts suprahyoid and infrahyoid muscles.

Page 19: Muscles of Head and Neck GENERAL INFORMATION Innervated by the facial nerve Derivatives of the 2nd pharyngeal arch Insert into the skin to provide movement.
Page 20: Muscles of Head and Neck GENERAL INFORMATION Innervated by the facial nerve Derivatives of the 2nd pharyngeal arch Insert into the skin to provide movement.
Page 21: Muscles of Head and Neck GENERAL INFORMATION Innervated by the facial nerve Derivatives of the 2nd pharyngeal arch Insert into the skin to provide movement.

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Sodium Channels Aggregate at Former Synaptic Sites in ...€¦ · Sodium Channels Aggregate at Former Synaptic Sites in Innervated and Denervated Regenerating Muscles M. T. Lupa and

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