Definition of Periostracum

1. n. A chitinous membrane covering the exterior of many shells; -- called also epidermis.

Medical Definition of Periostracum

1. Origin: NL, fr. Gr. Around + shell of a testacean. A chitinous membrane covering the exterior of many shells. Synonym: epidermis. Source: Websters Dictionary (01 Mar 1998)

Lexicographical Neighbors of Periostracum

periosteosis
periosteotome
periosteotomy
periosteous
periosteum
periosteum
periosteum cranii
periostitis
periostitis
periostitises
periostoma
periostosis
periostosteitis
periostotome
periostotomy
periostracum (current term)
periosts
periotic
periotic
periotics
periotic bone
periotic cartilage
periovaritis
periovular
peripachymeningitis
peripancreatitis
peripapillary
peripartum cardiomyopathy
peripatetic
Peripatetic

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