Sinus Anatomy Definition

Any of various cavities recesses or passages as a hollow in a bone or a reservoir or channel for venous blood. The sinuses decrease the weight of the skull.

Rhinorrhea Definition Symptoms Causes Treatment Icd 9

A narrow passage leading to an abscess or the like.

Sinus anatomy definition. A depression or cavity formed by a bending or curving. A channel for venous blood. A narrow elongated tract extending from a focus of suppuration and serving for the discharge of pus.

A curving part or recess. Paranasal sinuses is a group of connected hollow sacks of air surrounding our nasal area. Drugs that cause blood vessels in the inner nasal tissue to constrict.

An air filled cavity in a dense portion of a skull bone. Paranasal sinuses is the long technical name. Salt water saline nasal spray breaks up dried mucus and helps to keep the nose moist.

We usually just call them sinuses each sinus is lined with soft pink tissue called mucosa. 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.

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. The sinuses are formed in four right left pairs. Most individuals have four paired cavities located in the cranial bone or skull.

A dilated channel or receptacle containing chiefly venous blood. 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. Sphenoparietal sinus one of the venous sinuses of the dura mater emptying into the cavernous sinus.

An expanded area in a canal or tube. Sinus synonyms sinus pronunciation sinus translation english dictionary definition of sinus. Nasal saline spray.

The frontal sinuses are positioned behind the forehead while the maxillary sinuses are behind the cheeks. Normally the sinuses are empty except for a thin layer of mucus. A cavity in the substance of a bone of the skull that usually communicates with the nostrils and contains air.

Cavernous Sinus Anatomy