The spelling of the word "plexus maxillaris internus" follows the conventions of Latin-based medical terminology, where each word element has a specific meaning. The pronunciation is /ˈplɛksəs mækˈsɪlərɪs ɪnˈtɜːrnəs/. "Plexus" refers to a complex network of nerves, while "maxillaris" pertains to the upper jawbone. "Internus" means internal. The word is often used to refer to the internal maxillary nerve plexus, which is located in the maxillary bone and innervates the upper teeth and gums, nasal cavity, and palate. Correct spelling ensures effective communication and accurate diagnosis in the medical field.
The term "plexus maxillaris internus" refers to a complex network of nerves known as the internal maxillary plexus. This plexus is located within the maxillary region of the face, specifically in the deep parts of the infratemporal fossa, which is a small cavity located on the side of the skull.
The plexus maxillaris internus consists of branches and connections from various nerves in the head, specifically the maxillary nerve (a branch of the trigeminal nerve). This intricate network of nerves is responsible for providing sensory innervation to multiple structures in the maxillary region, including the teeth, gums, upper lip, and part of the cheek.
The internal maxillary plexus also plays a crucial role in providing autonomic (involuntary) innervation to the blood vessels, glands, and mucous membranes of the maxillary region. This involvement in the autonomic nervous system allows for control and regulation of functions such as blood flow, salivation, and secretion of mucous.
Overall, the plexus maxillaris internus is an essential nerve network in the face that is responsible for both sensory and autonomic functions. Its intricate connections and branches make it an integral part of the nervous system, ensuring proper communication between the brain and the various structures in the maxillary region.
Internal maxillary p., a sympathetic plexus on the artery of this name, derived from the external carotid p.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.