pyloric caecum
An outpocketing in the intestines of fish.
A double convex file, used in dressing out the arms or crosses of fine wheels.
plural of PF key
Like or resembling an amphetamine, in its nature, chemical structure, or effects.
多くの硬骨魚に見られる幽門盲嚢は、消化に利用できる表面積を増やす。
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