Human mouth
Human Mouth
The Human Mouth (pronunciation: /ˈhjuːmən maʊθ/) is a central feature of the face that serves multiple functions. It is an essential component of the digestive system and the respiratory system, and is also involved in human speech and facial expression.
Etymology
The term "mouth" comes from the Old English "mūth", which is akin to the German "Mund". The term "human" is derived from the Latin "humanus", meaning "of man" or "human".
Anatomy
The human mouth consists of two main parts: the oral cavity and the oropharynx. The oral cavity is bounded by the teeth, tongue, palate, and lips. The oropharynx is a continuation of the oral cavity and leads to the pharynx.
Oral Cavity
The oral cavity is the part of the mouth that contains the teeth and tongue. It is lined with a mucous membrane and is kept moist by the secretions of the salivary glands.
Oropharynx
The oropharynx is the part of the mouth that connects the oral cavity to the pharynx. It is a passageway for both air and food.
Functions
The human mouth serves several functions. It is involved in the initial stages of digestion through the process of mastication (chewing) and salivation. It also plays a crucial role in the process of speech production and is involved in the expression of emotions through facial expressions.
Related Terms
- Dentition: The arrangement of teeth in the mouth.
- Taste buds: Specialized sensory cells on the tongue that allow us to perceive different tastes.
- Saliva: The fluid produced by the salivary glands that helps in digestion and maintains the health of the oral cavity.
External links
- Medical encyclopedia article on Human mouth
- Wikipedia's article - Human mouth
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