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  2. Soft palate - Wikipedia

    en.wikipedia.org/wiki/Soft_palate

    Dissection of the muscles of the palate from behind. The five muscles of the soft palate play important roles in swallowing and breathing. The muscles are: Tensor veli palatini, which is involved in swallowing; Palatoglossus, involved in swallowing; Palatopharyngeus, involved in breathing; Levator veli palatini, involved in swallowing

  3. Human eye - Wikipedia

    en.wikipedia.org/wiki/Human_eye

    The human eye is a sensory organ in the visual system that reacts to visible light allowing eyesight. Other functions include maintaining the circadian rhythm, and keeping balance. Arizona Eye Model. "A" is accommodation in diopters. The eye can be considered as a living optical device.

  4. Ciliary muscle - Wikipedia

    en.wikipedia.org/wiki/Ciliary_muscle

    The ciliary muscle is an intrinsic muscle of the eye formed as a ring of smooth muscle [3] [4] in the eye's middle layer, the uvea (vascular layer). It controls accommodation for viewing objects at varying distances and regulates the flow of aqueous humor into Schlemm's canal .

  5. Extraocular muscles - Wikipedia

    en.wikipedia.org/wiki/Extraocular_muscles

    The extraocular muscles, or extrinsic ocular muscles, are the seven extrinsic muscles of the eye in humans and other animals. [1] Six of the extraocular muscles, the four recti muscles, and the superior and inferior oblique muscles, control movement of the eye. The other muscle, the levator palpebrae superioris, controls eyelid elevation.

  6. Ciliary body - Wikipedia

    en.wikipedia.org/wiki/Ciliary_body

    The ciliary body is a part of the eye that includes the ciliary muscle, which controls the shape of the lens, and the ciliary epithelium, which produces the aqueous humor. The aqueous humor is produced in the non-pigmented portion of the ciliary body. [ 1 ]

  7. Intraocular muscles - Wikipedia

    en.wikipedia.org/wiki/Intraocular_muscles

    Intrinsic ocular muscles [1] or intraocular muscles [2] are muscles of the inside of the eye structure. The intraocular muscles are responsible for the protraction and retraction of the eyelids and reaction to light and pupil accommodation. [2] They're different to the extraocular muscles that are outside of the eye and control the external ...

  8. Inferior oblique muscle - Wikipedia

    en.wikipedia.org/wiki/Inferior_oblique_muscle

    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).

  9. Trochlea of superior oblique - Wikipedia

    en.wikipedia.org/wiki/Trochlea_of_superior_oblique

    When the eye is in the primary position (looking straight ahead), contraction of the superior oblique produces depression and intorsion in roughly equal amounts. To summarize, the actions of the superior oblique muscle are (1) depression of the eyeball, especially when the eye is adducted; and (2) intorsion of the eyeball, especially when the ...