What is having the form of a spine or thorn; spinelike. Spinous process of a vertebra (Anat.), the dorsal process of the neural arch of a vertebra; a neurapophysis called?

spinous — Having the form of a spine or thorn; spinelike. Spinous process of a vertebra (Anat.), the dorsal process of the neural arch of a vertebra; a neurapophysis. (Webster's 1913.)

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