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The procerus muscles pull the skin into horizontal wrinkles. The frontalis muscle, which runs from the upper forehead, halfway between the coronal suture (which traverses the top of the skull) and the top edge of the orbit, attaches to the eyebrow skin. Since it pulls the eyebrows upward, it is the antagonist of the orbicularis oculi.
The inferior oblique muscle or obliquus oculi inferior is a thin, narrow muscle placed near the anterior margin of the floor of the orbit. The inferior oblique is one of the extraocular muscles , and is attached to the maxillary bone (origin) and the posterior, inferior, lateral surface of the eye (insertion).
The last muscle is the inferior oblique, which originates at the lower front of the nasal orbital wall, passes inferiorly over the inferior rectus muscle on its path laterally and posteriorly, and inserts under the lateral rectus muscle on the lateral, posterior part of the globe. Thus, the inferior oblique pulls the eye upward and laterally.
skin of eyebrow and glabella: epicranial aponeurosis: ophthalmic artery: facial nerve [CNVII], temporal branch: wrinkles eyebrow: procerus, corrugator supercilii, and orbicularis oculi muscles [1] 2 1 orbicularis oculi, orbital part head, forehead/eyelid (left/right) frontal bone: lateral palpebral raphe: ophthalmic artery, zygomatico-orbital ...
In certain instances, excessive lower lid laxity creates the Fornix of Reiss – a pocket between the lower eyelid and globe – which is the ideal location to administer topical ophthalmic medications. Eyelid edema is a condition in which the eyelids are swollen and tissues contain excess fluid. It may affect eye function when it increases the ...
An eyelid is a thin fold of skin that covers and protects the eye. The levator palpebrae superioris muscle helps in the movement of eyelid. The human eyelid features a row of eyelashes along the eyelid margin, which helps in protection of the eye from dust and foreign debris. The main function of eyelid is to keep the cornea moist and clean.
The lateral palpebral commissure (commissura palpebrarum lateralis; external canthus) is more acute than the medial, and the eyelids here lie in close contact with the bulb of the eye. The medial palpebral commissure (commissura palpebrarum medialis; internal canthus) is prolonged for a short distance toward the nose , and the two eyelids are ...
Few printed anatomies include it (Netter, et al.) and many authorities consider it to be part of the orbicularis oculi muscle. [ 1 ] On the other hand, many dermatologists , ophthalmologists , and plastic surgeons [ 2 ] hold that the depressor supercilii is a distinct muscle and has a definite, individual effect on the movement of the eyebrow ...