tuboperitoneal - ureide
- udder impetigo
- UDE
- UDF
- UDIR
- UDKase
- UDN
- UDO
- UDP
- UDP-galactose
- UDP-galactose 4-epimerase
- UDP-GlcUA
- UDP-glucose
- UDP-glucose 4-epimerase
- UDP-glucose 4-epimerase deficiency
- UDP-glucose 6-dehydrogenase
- UDP-glucose pyrophosphorylase
- UDP-glucose–hexose-1-phosphate uridylyltransferase
- UDP-glucuronate
- UDP-glucuronate decarboxylase
- UDP-glucuronosyltransferase
- UDP-hexose
- UDP-iduronate
- UDP-N-acetylgalactosamine
- UDP-N-acetylglucosamine
- UDP-N-acetylglucosamine 4-epimerase
- UDP-N-acetylglucosamine pyrophosphorylase
- UDP-N-acetylglucosamine:lysosomal enzyme N-acetylglucosaminyl-1-phosphotransferase
- UDP-N-acetylglucosamine–lysosomal-enzyme N-acetylglucosaminephosphotransferase
- UDP-xylose
- UDP/IP
- UDPG
- UDPGA
- UDPGal
- UDPgalactose
- UDPgalactose 4-epimerase
- UDPGlc
- UDPglucose
- UDPglucose 4-epimerase
- UDPglucose-hexose-1-phosphate uridylyltransferase
- UDPglucuronate-bilirubin glucuronosyltransferase
