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Definitions from WordNet

Definitions from the Web

Axis Vertebra

Description:

The axis vertebra, also known as the second cervical vertebra or C2, is a crucial bone in the neck that plays a pivotal role in the movement and support of the head. It is specifically responsible for rotation and allows the head to turn from side to side.

Senses and Usages:

Sense 1:

In anatomy:

Refers to the second cervical vertebra (C2) in humans, which has a distinctive shape allowing for the rotating motion of the head.

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Sample Sentence: The axis vertebra is crucial for the rotational movement of the head.

Sense 2:

In zoology:

Denotes a similar bone found in animals, particularly mammals, that performs a comparable rotational function as the human axis vertebra.

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Sample Sentence: The axis vertebra of a cheetah enables its head to swiftly scan the surroundings for potential prey.

Sense 3:

In geographical context:

Refers to a local landmark or a point that serves as a significant reference or orientation point in a specific area or region.

Sample Sentence: The old lighthouse on the coast became the axis vertebra of the small seaside town.

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Sense 4:

In a figurative sense:

Describes a central or pivotal point around which other things revolve or are dependent.

Sample Sentence: The controversial decision became the axis vertebra upon which the entire debate hinged.

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