epistropheus

ax·is (ax),

, pl.

ax·es

(ak'sis, ak'sēz), Do not confuse this word with access.1. A straight line joining two opposing poles of a spheric body, about which the body may revolve. 2. The central line of the body or any of its parts. 3. The second cervical vertebra. 4. The vertebral column. Synonym(s): vertebra C2 ☆ , epistropheus, odontoid vertebra, second cervical vertebra, toothed vertebra, vertebra dentata5. The central nervous system. 6. An artery that divides, immediately on its origin, into a number of branches, for example, celiac axis. [L. axle, axis]

axis

Anatomy
The second bone of the vertebrae (C2), which contains a distinct bony protuberance, the odontoid process (dens), on which the first cervical vertebra (C1, the atlas), which carries the head, rotates.
Significance, execution
During judicial hangings, the odontoid process typically breaks off and is forced into the medulla oblongata, which contains the cardiac, respiratory and vasomotor centres that control involuntary functions (e.g., breathing, heart rate and blood pressure), usually resulting in instant death.
Medpspeak
(1) A central or straight line between two structures.
(2) A functional centre between two or more physiologically related activities—e.g., brain-gut axis, hypothalamic-pituitary-adrenal axis.

ax·is

, pl. axes (ak'sis, ak'sēz) 1. A straight line joining two opposing poles of a spheric body, about which the body may revolve. 2. The central line of the body or any of its parts. 3. The vertebral column. 4. The central nervous system. 5. The second cervical vertebra.
Synonym(s): epistropheus, vertebra C2, vertebra dentata. 6. An artery that divides, immediately on its origin, into a number of branches, e.g., celiac axis.
See: trunk

单词	epistropheus
释义	DictionarySeeaxis Epistropheus Epistropheus the second cervical vertebra in reptiles, birds, and mammals, including humans, in which case it is also called the axis. Unlike the other vertebrae, the anterior (in humans, superior) surface of the epistropheus has a toothlike process around which the first cervical vertebra (atlas) rotates. epistropheus ax·is (ax), , pl. ax·es (ak'sis, ak'sēz), Do not confuse this word with access.1. A straight line joining two opposing poles of a spheric body, about which the body may revolve. 2. The central line of the body or any of its parts. 3. The second cervical vertebra. 4. The vertebral column. Synonym(s): vertebra C2 ☆ , epistropheus, odontoid vertebra, second cervical vertebra, toothed vertebra, vertebra dentata5. The central nervous system. 6. An artery that divides, immediately on its origin, into a number of branches, for example, celiac axis. [L. axle, axis] axis Anatomy The second bone of the vertebrae (C2), which contains a distinct bony protuberance, the odontoid process (dens), on which the first cervical vertebra (C1, the atlas), which carries the head, rotates. Significance, execution During judicial hangings, the odontoid process typically breaks off and is forced into the medulla oblongata, which contains the cardiac, respiratory and vasomotor centres that control involuntary functions (e.g., breathing, heart rate and blood pressure), usually resulting in instant death. Medpspeak (1) A central or straight line between two structures. (2) A functional centre between two or more physiologically related activities—e.g., brain-gut axis, hypothalamic-pituitary-adrenal axis. ax·is , pl. axes (ak'sis, ak'sēz) 1. A straight line joining two opposing poles of a spheric body, about which the body may revolve. 2. The central line of the body or any of its parts. 3. The vertebral column. 4. The central nervous system. 5. The second cervical vertebra. Synonym(s): epistropheus, vertebra C2, vertebra dentata. 6. An artery that divides, immediately on its origin, into a number of branches, e.g., celiac axis. See: trunk FinancialSeeAxis
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Epistropheus

Epistropheus

epistropheus

ax·is (ax),

ax·es

axis

ax·is