What is the function of Isthmus of Fauces?

isthmus of fauces (isthmus fau´cium) the constricted aperture between the cavity of the mouth and the pharynx. isthmus of rhombencephalon the narrow segment of the fetal brain, forming the plane of separation between the rhombencephalon and cerebrum.

What are oral fauces?

: the narrow passage from the mouth to the pharynx between the soft palate and the base of the tongue.

What are fauces in anatomy?

Anatomical Parts The fauces is the narrow passage from the mouth to the pharynx, situated between the soft palate and the base of the tongue. This definition incorporates text from the wikipedia website – Wikipedia: The free encyclopedia. (

Where is the oropharyngeal isthmus located?

The isthmus of the fauces or the oropharyngeal isthmus is a part of the oropharynx directly behind the mouth cavity, bounded superiorly by the soft palate, laterally by the palatoglossal arches, and inferiorly by the tongue.

What is tonsillar pillar?

Posterior tonsil pillar This is the fold of tissue just behind the tonsils. It is created by the palatopharyngeus muscle which extends from the soft palate to the lateral wall of the pharynx.

What are the Faucial Arches?

The right and left palatoglossus muscles create ridges in the lateral pharyngeal wall, referred to as the palatoglossal arches (anterior faucial pillars). These pillars separate the oral cavity and the oropharynx — the muscle functions as an antagonist to the levator veli palatini muscle.

What separates the mouth from the nose?

The palate forms the roof of the mouth and separates the oral cavity from the nasal cavity.

Where is mouth located?

The mouth is a hollow cavity formed by the space between the lips, cheeks, tongue, hard and soft palates and the throat. Its external opening is located along the body’s midline inferior to the nose and superior to the chin.

What do you mean by Isthmus?

An isthmus is a narrow strip of land that connects two larger landmasses and separates two bodies of water.

Why does my oropharynx hurt?

Pharyngitis is caused by swelling in the back of the throat (pharynx) between the tonsils and the voice box (larynx). Most sore throats are caused by colds, the flu, coxsackie virus or mono (mononucleosis). Bacteria that can cause pharyngitis in some cases: Strep throat is caused by group A streptococcus.

What are the three types of tonsils?

There are actually three pairs of tonsils:

• Pharyngeal tonsils (adenoids), which reside behind your nose.
• Two palatine tonsils (what people are most commonly referring to when they say the word ‘tonsils’), which reside on both sides of the back of the throat.
• Lingual tonsils, which are at the back of the tongue.

What is the main function of the tonsils?

The tonsils are part of the body’s immune system. Because of their location at the throat and palate, they can stop germs entering the body through the mouth or the nose. The tonsils also contain a lot of white blood cells, which are responsible for killing germs.