mouth的用法

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my.clevelandclinic.org

Mouth: Anatomy, Function & Care - Cleveland Clinic

What is the mouth? Your mouth is an oval-shaped opening that sits just below your nose. It starts at your lips and ends towards your tonsils. Your mouth is part of your digestive system and respiratory system.

www.britannica.com

Mouth | Definition, Anatomy, & Function | Britannica

mouth, in human anatomy, orifice through which food and air enter the body. The mouth opens to the outside at the lips and empties into the throat at the rear; its boundaries are defined by the lips, cheeks, hard and ...

en.wikipedia.org

Human mouth - Wikipedia

The mouth consists of two regions, the vestibule and the oral cavity proper. The mouth, normally moist, is lined with a mucous membrane, and contains the teeth. The lips mark the transition from mucous membrane to ski...

www.merriam-webster.com

MOUTH Definition & Meaning - Merriam-Webster

The meaning of MOUTH is the natural opening through which food passes into the body of an animal and which in vertebrates is typically bounded externally by the lips and internally by the pharynx and encloses the tong...

www.innerbody.com

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5 days ago · 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 s...

teachmeanatomy.info

The Oral Cavity - Divisions - Innervation - TeachMeAnatomy

Dec 4, 2025 · The vestibule communicates with the mouth proper via the space behind the third molar tooth, and with the exterior through the oral fissure. The diameter of the oral fissure is controlled by the muscles ...

training.seer.cancer.gov

Mouth - SEER Training

The mouth, or oral cavity, is the first part of the digestive tract. It is adapted to receive food by ingestion, break it into small particles by mastication, and mix it with saliva.