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 .

2022年12月22日 · The extraocular muscles are located within the orbit, but are extrinsic and separate from the eyeball itself. They act to control the movements of the eyeball and the superior eyelid.

Extraocular muscles are the most specialized skeletal muscles in the human body. These are broadly divided into voluntary and involuntary muscles. The voluntary muscles include seven extraocular muscles that control the movements of the eye and eyelids, and are important for binocular single vision.

2023年10月30日 · Extraocular muscles are also referred to as the extrinsic (arising externally) or muscles of the orbit. There are 6 of these extraocular muscles that control eye movement (cows only have 4 of these), and one muscle that controls eyelid elevation.

2024年12月16日 · Human eye - Extraocular Muscles: Six muscles outside the eye govern its movements. These muscles are the four rectus muscles—the inferior, medial, lateral, and superior recti—and the superior and inferior oblique muscles.

The meaning of EXTRAOCULAR is occurring or situated outside the eyeball; also : involving or relating to the extraocular muscles. How to use extraocular in a sentence.

2022年10月13日 · Extraocular muscles have a large ratio of nerve fibers to skeletal muscle fibers. The ratio is 1:3 to 1:5 compared to other skeletal muscles, which are 1:50 to 1:125. Extraocular muscles are a specialized skeletal muscle form with various fiber types, including slow tonic types, which resist fatigue, and saccadic (rapid) muscle fibers.

In this article we discuss in detail about the anatomy of the extraocular muscles in the eye. and the angle of the eye. We will begin with classifying the various eye muscles and then delve deep into the anatomy of individual muscles and their supporting structures like …

2020年5月10日 · An overview of the anatomy of the extraocular muscles (EOM), including their attachments, innervation and actions. We also discuss how cranial nerve palsy can impact extraocular muscle function.

The extraocular muscles are innervated by lower motor neurons that form three cranial nerves: the abducens, the trochlear, and the oculomotor (Figure 20.3). The abducens nerve (cranial nerve VI) exits the brainstem from the pons-medullary junction and innervates the lateral rectus muscle.