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Transverse sections through a onion root
Legend:
1 epidermis
3 endodermis
4 pericycle
5 phloem and xylem
2 cortex
English name: Onion
Scientific name: Allium cepa
Familia: Liliaceae
Classis: Monocotyledonas
Phylum: Angiospermae
Regnum: Plantae
Transverse sections through a onion root