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25 Ιουλ 2023 · Innervation of the eyeball and surrounding structures is provided by the optic, oculomotor, trochlear, abducens and trigeminal cranial nerves. This article covers the anatomy, function and clinical relevance of the vessels and nerves of the eye.
19 Δεκ 2022 · The adduction of the eye is brought about by the medial rectus muscle, innervated by the oculomotor muscle. Therefore, for right-sided horizontal gaze, both the right abducens nerve and the right lateral rectus muscle must be working to abduct the right eye, and the left oculomotor nerve and the left medial rectus muscle must be patent to ...
The optic nerve (a cranial nerve), which carries impulses from the retina to the brain, as well as other cranial nerves, which transmit impulses to each eye muscle, travel through the orbit (the bony cavity that surrounds the eyeball).
3 Νοε 2023 · The main function of the eye is sight, and the nerve that enables sight is the optic nerve (CN II). Nerves that innervate the extraocular muscles are called bulbomotors and they are the oculomotor (CN III), trochlear (CN IV) and abducens (CN VI) nerves. The oculomotor nerve also innervates the intrinsic ocular muscles and thus regulates ...
24 Ιουλ 2023 · Structure and Function. The neural tube gives rise to three primary vesicles: Forebrain (Prosencephalon), Midbrain (Mesencephalon), and Hindbrain (Rhombencephalon). The prosencephalon divides into the Telencephalon and Diencephalon. The mesencephalon does not divide further.
16 Μαρ 2024 · The part closer to the eye is called the palpebral lobe; you can see it if you turn your upper eyelid inside out. The deeper part is the orbital lobe, which connects to the palpebral lobe with small tubes.
20 Φεβ 2024 · The cerebrum has two halves, called hemispheres. Each half controls functions on the opposite side of the body. So, the left hemisphere controls muscles on the right side of the body, and vice versa.
