GO:0009276
OBSOLETE. A structure formed of the cross-linked polymer peptidoglycan (also called murein) that forms a covalently closed net around a bacterial cell, and imparts structural stability to the bacterial cell wall. [ http://www.ncbi.nlm.nih.gov/pubmed/9529891 GOC:mah ]
Synonyms: peptidoglycan layer murein sacculus