The spelling of "radix brevis ganglii ciliaris" can be quite tricky due to its Latin origins and complex pronunciation. The word is pronounced as /ˈrædɪks ˈbriːvɪs ˈɡæŋɡli.aɪ sɪˈlɛərɪs/. The "x" in "radix" is pronounced as "ks" and the "g" in "ganglii" is pronounced as "ng." Additionally, the "c" in "ciliaris" is pronounced as "s." This term refers to the short root of the ciliary ganglion, a small bundle of nerve fibers responsible for controlling the muscles in the eye's lens.
The term "radix brevis ganglii ciliaris" refers to a complex anatomical structure located within the eye known as the short root of the ciliary ganglion.
The ciliary ganglion is a small, oval-shaped cluster of nerve cells found in the posterior portion of the eyeball, between the optic nerve and the lateral rectus muscle. It is part of the autonomic nervous system and plays a crucial role in controlling the contraction and relaxation of the ciliary muscle and the iris.
The "radix brevis" refers specifically to the short root of the ciliary ganglion. This structure is formed by a bundle of nerve fibers that originate from the oculomotor nerve, one of the cranial nerves responsible for eye movement. These fibers pass through the posterior aspect of the eyeball and synapse or connect with the neurons within the ciliary ganglion.
The "ganglion" refers to a collection of nerve cell bodies located outside the central nervous system. In this case, the ciliary ganglion contains the cell bodies of the postganglionic parasympathetic fibers, which are responsible for coordinating and regulating the functions of the ciliary muscle and iris.
Overall, the radix brevis ganglii ciliaris is an important anatomical component involved in the control of intraocular muscle movements, allowing for precise adjustments in eye focus and pupillary constriction.
Motor root of the ciliary ganglion, short root of the ciliary ganglion, a branch of the oculomotor nerve given off in the superior orbital fissure.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.