orbit

Inferior Oblique Muscle of the Eye

Inferior Oblique Muscle of the Eye The structure indicated is the inferior oblique muscle of the eye. This muscle is one of six muscles that are involved in the movements of the eye. The muscles which move the eye are referred to as the extraocular muscles, these include: Superior rectus Inferior rectus Lateral rectus Medial rectus Superior oblique Inferior oblique The oculomotor nerve innervates the superior, inferior and medial rectus muscles as well as the inferior oblique muscle. The trochlear nerve innervates the superior oblique muscle The abducent nerve innervates the lateral rectus muscle. When the inferior oblique muscle is …

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inferior oblique

Orbicularis Oculi

Orbicularis Oculi The structure indicated is the orbicularis oculi muscle of the face. The orbicularis oculi muscle is one of the muscles of facial expression belonging to the orbital group. The muscles of facial expression can be organised into functional groups to provide a more structured approach to understanding the muscles. The functional groups include the following: Orbital group Nasal group Oral group Other The orbicularis oculi muscle is the principle muscle of the orbital group of facial muscles and consists itself of two parts: Palpebral part Orbital part There is an additional muscle in the orbital group – the …

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Orbicularis Oculi