ornithine

1. An amino acid, C5H12N2O2, not found in proteins, formed by hydrolyzing arginine and important in the formation of urea.

2. A crystalline amino acid CHNO that functions especially in urea production as a carrier by undergoing conversion to citrulline and then arginine in reaction with ammonia and carbon dioxide followed by recovery along with urea by enzymatic hydrolysis of arginine.

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Top Words by points	Points	Word Game
ornithine	12	Scrabble

2 Letters	Scrabble® Points
eh	5
en	2
er	2
et	2
he	5
hi	5
ho	5
in	2
it	2
ne	2
no	2
oe	2
oh	5
oi	2
on	2
or	2
re	2
te	2
ti	2
to	2

3 Letters	Scrabble® Points
eon	3
ern	3
eth	6
hen	6
her	6
het	6
hie	6
hin	6
hit	6
hoe	6
hon	6
hot	6
inn	3
ion	3
ire	3
net	3
nit	3
noh	6
nor	3
not	3
nth	6
one	3
ore	3
ort	3
rei	3
ret	3
rho	6
rin	3
roe	3
rot	3
ten	3
the	6
tho	6
tie	3
tin	3
toe	3
ton	3
tor	3

4 Letters	Scrabble® Points
heir	7
hent	7
hern	7
hero	7
hint	7
hire	7
hoer	7
hone	7
horn	7
inro	4
inti	4
into	4
iron	4
neon	4
nine	4
nite	4
noir	4
none	4
noni	4
nori	4
note	4
rein	4
reno	4
rent	4
riot	4
rite	4
rote	4
roti	4
tein	4
tern	4
then	7
thin	7
thio	7
thir	7
thro	7
tier	4
tine	4
tire	4
tiro	4
tone	4
tore	4
tori	4
torn	4
trio	4

5 Letters	Scrabble® Points
heron	8
honer	8
inert	5
inion	5
inner	5
inter	5
intro	5
irone	5
ither	8
niner	5
ninth	8
niter	5
niton	5
nitre	5
nitro	5
nonet	5
north	8
noter	5
other	8
renin	5
rhino	8
ronin	5
tenno	5
tenon	5
tenor	5
thein	8
their	8
thine	8
thorn	8
throe	8
toner	5
tonne	5
torii	5
trine	5
trone	5
innie	5

6 Letters	Scrabble® Points
ethion	9
heriot	9
heroin	9
hinnie	9
hinter	9
hornet	9
intern	6
intine	6
intone	6
intron	6
norite	6
nother	9
orient	6
rotini	6
throne	9
tinier	6
tinner	6
tonier	6
tonner	6

7 Letters	Scrabble® Points
inherit	10
intoner	7
ternion	7
thinner	10
thionin	10
tinhorn	10
tinnier	7

8 Letters	Scrabble® Points
inthrone	11
tenorini	8
thionine	11

9 Letters	Scrabble® Points
ornithine	12