creatininase cre·at·i·nin·ase (krē-āt’n-ēn-ās’, -āz’, -ə-nās’, -nāz’)
An enzyme that catalyzes the conversion of creatine to creatinine, with participation of ATP.
[kree-at-n-een, -in] /kriˈæt nˌin, -ɪn/ noun, Biochemistry. 1. a crystalline end product of creatine metabolism, C 4 H 7 N 3 O, occurring in urine, muscle, and blood. /kriːˈætəˌniːn/ noun 1. an anhydride of creatine that is abundant in muscle and excreted in the urine n. by 1847, from creatine + chemical suffix -ine (2). […]
- Creatinine clearance
creatinine clearance n. The volume of serum or plasma that would be cleared of creatinine by one minute’s excretion of urine.
[kras-i-tood, -tyood] /ˈkræs ɪˌtud, -ˌtyud/ noun 1. gross ignorance or stupidity. 2. thickness; grossness.
[kras] /kræs/ adjective, crasser, crassest. 1. without refinement, delicacy, or sensitivity; gross; obtuse; stupid: crass commercialism; a crass misrepresentation of the facts. 2. Archaic. thick; coarse. /kræs/ adjective 1. stupid; gross adj. 1540s, from Middle French crasse (16c.), from Latin crassus “solid, thick, fat; dense.” The literal sense always has been rare in English; meaning […]