Entity: JAW
JAW refers to either of two bony or cartilaginous structures that form the framework of the mouth in vertebrate animals, used for biting and chewing food. It includes the mandible, the lower movable part of the jaw.
JAW
Etymology
The term 'JAW' originates from the Old English 'ceowan', meaning 'to chew'.
Definition
JAW refers to either of two bony or cartilaginous structures that in most vertebrate animals form the framework of the mouth, hold the teeth, and are used for biting and chewing food. The lower, movable part of the jaw is the mandible.
Historical Context
The jaw has played a crucial role in vertebrate evolution, enabling various species to adapt to different diets and environments.
Cultural Significance
The jaw is often used metaphorically to represent strength, determination, or aggression in various cultures and contexts.
Related Concepts
Other related concepts include teeth, bite force, and mastication.
See Also
- Mandible
- Bite Force
- Mastication
A complex structure in vertebrates that borders the mouth, supports soft parts enclosing it, bears teeth, and is either fused with the skull (upper jaw) or hinged and movable (lower jaw).