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Cross section: pharynx region of an ascaris
Legend:
1 cuticula
2 muscle cells
3 pharynx
4 lateral chord
5 pseudocoel
6 nerve chord
English name: human ascoid
Scientific name: Ascaris lumbricoides
Familia: Ascaridae
Classis: Secernentea
Phylum: Nematoda
Regnum: Animalia
