phen·yl·al·a·nine 
(fĕn′əl-ălə-nēn′, fē′nəl-)
(fĕn′əl-ălə-nēn′, fē′nəl-)n.
An essential amino acid, C9H11NO2, that occurs as a constituent of many proteins and is converted to tyrosine in the body.
- cryptorchid
- cryptorchidism
- cryptorchism
- cryptosporidiosis
- cryptosporidium
- cryptozoite
- cryptozoological
- cryptozoologist
- cryptozoology
- cry/say uncle
- crystal
- crystal ball
- crystal clear
- crystal-clear
- crystal detector
- crystal gazer
- crystal gazing
- crystalize
- crystalize
- crystall-
- crystall-
- crystal lattice
- crystalliferous
- crystalligerous
- crystallin