Sinus Anatomy Definition

Sphenoparietal sinus one of the venous sinuses of the dura mater emptying into the cavernous sinus. Most individuals have four paired cavities located in the cranial bone or skull.

5 29 34 Nasal Cavity Paranasal Sinus Tmj Anatomy

Paranasal sinuses is a group of connected hollow sacks of air surrounding our nasal area.

Sinus anatomy definition. The sinuses decrease the weight of the skull. Normally the sinuses are empty except for a thin layer of mucus. Sinus anatomy in common usage sinus usually refers to the paranasal sinuses which are air cavities in the cranial bones especially those near the nose and connecting to it.

Sinus synonyms sinus pronunciation sinus translation english dictionary definition of sinus. A dilated channel or receptacle containing chiefly venous blood. Salt water saline nasal spray breaks up dried mucus and helps to keep the nose moist.

A channel for venous blood. Any of various cavities recesses or passages as a hollow in a bone or a reservoir or channel for venous blood. The frontal sinuses are positioned behind the forehead while the maxillary sinuses are behind the cheeks.

An expanded area in a canal or tube. An air filled cavity in a dense portion of a skull bone. Nasal saline spray.

A narrow passage leading to an abscess or the like. Sphenoid sinus sphenoidal sinus one of the paired paranasal sinuses in the body of the sphenoid bone opening into the superior nasal meatus on the same side. One of the hollow cavities in the skull connecting with the nasal cavities.

As a result there is less sinus congestion mucus and postnasal drip. A curving part or recess. Drugs that cause blood vessels in the inner nasal tissue to constrict.

We usually just call them sinuses each sinus is lined with soft pink tissue called mucosa. Paranasal sinuses is the long technical name. A depression or cavity formed by a bending or curving.

A cavity in the substance of a bone of the skull that usually communicates with the nostrils and contains air. The sinuses are formed in four right left pairs. A narrow elongated tract extending from a focus of suppuration and serving for the discharge of pus.

The Nasal Cavity Structure Vasculature Innervation