allantoin
/əˈlantəʊɪn
/noun [mass noun] Biochemistry
A crystalline compound formed in the nitrogen metabolism of many mammals (excluding primates).
- A cyclic compound related to hydantoin; chemical formula: C4H6N4O3.
- Oftentimes, it is not the cortisol stimulating properties which are cited for their healing properties but some other biochemical agent such as allantoin in comfrey.
- Comfrey contains allantoin, a natural substance that stimulates the growth of new skin cells.
Origin
Mid 19th century: from allantois (because it was discovered in the allantoic fluid of cows) + -in1.
- pitch shifter
- pitch shot
- pitchside
- pitch someone/thing against
- pitch something up (or pitch up)
- lead the way
- lead time
- lead-up
- lead up to
- Leadville
- lead with one's chin
- leadwort
- leaf
- leafage
- leaf beet
- leaf beetle
- leafbird
- leaf blower
- leaf bud
- leaf curl
- leafcutter ant
- leafcutter bee
- leafed
- leaf-fall
- leaf fat