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Dissection of a crayfish: internal view of a female (1)

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Legend:

1  posterior gastric muscle
2  stomach
3  mandibular muscle
4  posterior gastric muscle
5  gills
6  digestive gland
7  three lobed ovary
8  hindgut
9  dorsal abdominal artery
10  abdominal extensor muscle

 
English name: Crayfish
Scientific name: Astacus sp.
Familia: Astacidae
Classis: Malacostraca
Phylum: Arthropoda (subphyllum Crustacea)
Regnum: Animalia

http://www.vcbio.science.ru.nl/en/image-gallery/show/AN0080/print/

last modified: 5 Jun 2014