/ (ˌpɪrɪˈdɒksəl) /
biochem a naturally occurring derivative of pyridoxine that is a precursor of a coenzyme (pyridoxal phosphate) involved in several enzymic reactions. Formula: (CH 2 OH)(CHO)C 5 HN(OH)(CH 3)
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Medicine definitions for pyridoxal
[ pĭr′ĭ-dŏk′səl ]
An aldehyde that is one of several active forms of pyridoxine and is important in amino acid synthesis.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.