As adjectives the difference between sural and seral
is that sural is (anatomy) of or pertaining to the calf of the leg while seral is of or pertaining to a sere.
sural
English
Adjective
(
-)
(anatomy) Of or pertaining to the calf of the leg.
- the sural arteries
(
Webster 1913)
seral
English
Adjective
(-)
Of or pertaining to a sere.