Sinus Anatomy

Or a cavity within a bone. Each sinus is named for the bone in which the sinus can be found.

Normal Sinus Anatomy Medivisuals Medical Illustration

Definition of nasal sinuses.

Sinus anatomy. Sinuses are found in our skull bones. Ethmoid sinus cavities which are located between the eyes. Sinus anatomy the passages that begin with your nostril lead to a network of nasal passages and cavities in behind the face.

Dermal sinus a congenital sinus tract extending from the surface of the body between the bodies of two adjacent lumbar vertebrae to the spinal canal. The sinuses are a connected system of hollow cavities in the skull. While you have a number of sinuses in your body those in your face which are known more technically as the paranasal sinuses are the most well known.

Sphenoid sinus within the sphenoid bones. Others are much smaller. A large channel containing blood.

The ethmoid sinuses are located on each side of the bridge of your. Nasal sinuses are hollow air filled spaces within the bones of the skull and face. Your cheekbones hold your maxillary sinuses the largest.

There are three ethmoidal sinuses. The four paired sinuses or air cavities can be referred to as. Two types of sinus the blood filled and the air filled sinuses are discussed in this article.

Sinuses also have their own anatomy and function. Between your eyes are your ethmoid sinuses. They are shaped like pyramids.

The maxillary sinuses are located on each side of your nose near the cheek bones. The sphenoid sinuses drain out onto the roof of the nasal cavity. There are four pairs of sinuses named for the bones that theyre located in.

The largest sinus cavities are about an inch across. Maxillary sinus cavities are located on either side of the nostrils cheekbone areas. Many of us are not aware of our sinuses most of the time except when infection and other sinus disorders cause pain pressure sleep disorders or impaired hearing or breathing.

The most posterior of all the paranasal sinuses these are located behind the ethmoid sinuses near the pituitary gland and optic nerves 8. Frontal sinus cavities which can be found above the eyes more in the forehead region. The nasal septum separates the left and right maxillary sinuses 9.

Tentorial sinus straight sinus. Anterior middle and posterior. The low center of your forehead is where your frontal sinuses are located.

Pilonidal sinus pilonidal cyst. They empty into the nasal cavity at different places. The frontal sinuses are located above the eyes near your forehead.

These are known as sinuses. The relationships of this sinus are of clinical importance the pituitary gland can be surgically accessed via passing through the nasal roof into the sphenoid sinus and through the sphenoid bone. Sinus in anatomy a hollow cavity recess or pocket.

Maxillary sinuses are the largest maxmaximum of the sinuses.

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