Meatus bone definition
WebBone Terminology 1. 1. An opening through a bone, which usually serves as a passageway for blood vessels, nerves, or ligaments. 2. A projection situated above a condyle. 3. A … WebDec 5, 2024 · The inferior nasal meatus is the largest of the spaces in the nasal cavity that lies beneath the inferior nasal concha and the lateral nasal wall. It is responsible for the majority of airflow direction, humidification, …
Meatus bone definition
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Web1. one in the epigastric region. 2. urachal fossa. ethmoid fossa the groove in the cribriform plate of the ethmoid bones, for the olfactory bulb. glenoid fossa mandibular fossa. hyaloid fossa a depression in the front of the vitreous body, lodging the lens. Webmeatus A natural opening of a tubular lumen, which in the usual working medical parlance refers to the urinary meatus located in the glans penis or in the vulva. Other meatuses …
WebDefinition Internal acoustic meatus refers to a small bony foramen situated on the posterior surface of the petrous part of temporal bone, inside the posterior cranial fossa. It allows for the passage of three important structures, namely the vestibulocochlear nerve, facial nerve and the labyrinthine artery. WebNov 29, 2024 · A meatus is a short, tube-like channel extending into the bone. It can provide passage and protection to nerves and vessels. An example is the external acoustic …
WebA tubular passage or tunnel in a bone. condylar canal of the skull. Fissure. A slit through a bone. orbital fissures behind the eye. Foramen. A hole through a bone, usually round. … WebIn this video I go over the major bone markings which will help you understand skeletal system anatomy. If you know the markings, everything else falls into place. Included are tuberosity, crest,...
WebDec 5, 2024 · The ethmoidal sinuses, or commonly known as ethmoidal cells, are small spaces located in the ethmoid bone.More specifically, they are located between the nasal cavity and the orbit. These cells can be …
WebAug 16, 2024 · External Acoustic Meatus. The external acoustic meatus is a sigmoid shaped tube that extends from the deep part of the concha to the tympanic membrane. The walls of the external 1/3 are formed by cartilage, whereas the inner 2/3 are formed by the temporal bone. The external acoustic meatus does not have a straight path, and instead travels in … def of artdef of articleWebMar 29, 2024 · Medical Definition of Meatus. Medical Editor: Charles Patrick Davis, MD, PhD. Reviewed on 3/29/2024. Meatus: An opening or a passageway. For example, the meatus … def of artificialWebme·a·tus (mē-ā′təs) n. pl. me·a·tus·es or meatus A body opening or passage, such as the opening of the ear or the urethral canal. [Latin meātus, passage, from past participle of meāre, to pass; see mei- in Indo-European roots .] me·a′tal (-təl) adj. American Heritage® Dictionary of the English Language, Fifth Edition. fema sf 424c formWebA projection is an area of a bone that projects above the surface of the bone. These are the attachment points for tendons and ligaments. In general, their size and shape is an indication of the forces exerted through … def of arteriesWebNoun. 1. meatus - a natural body passageway. passageway, passage - a path or channel or duct through or along which something may pass; "the nasal passages". acoustic meatus, … fema shelter in place proceduresWebDec 19, 2024 · Meatus - A tube-like channel that extends within the bone, which may provide passage and protection to nerves, vessels, and even sound. Examples include external … def of artifice