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  • Periostracum - Wikipedia
    The periostracum ( ˌpɛriˈɒstrəkəm PERR-ee-OS-trə-kəm) is a thin, organic coating (or "skin") that is the outermost layer of the shell of many shelled animals, including molluscs and brachiopods
  • Periostracum | shell structure | Britannica
    seashell, hard exoskeleton of marine mollusks such as snails, bivalves, and chitons that serves to protect and support their bodies It is composed largely of calcium carbonate secreted by the mantle, a skinlike tissue in the mollusk’s body wall
  • The Mode of Formation and the Structure of the Periostracum
    In all mollusks, the periostracum is secreted by the mantle edge, but the mode of formation varies from species to species In Helix, it is formed by the tubular periostracal gland embedded in the connective tissue of the mantle edge
  • Periostracum - Definition, Usage Quiz | UltimateLexicon. com
    The periostracum is the outermost layer of the shell of certain mollusks, including bivalves, gastropods, and cephalopods It is typically a thin, organic layer and primarily composed of a protein called conchiolin
  • PERIOSTRACUM Definition Meaning - Merriam-Webster
    The meaning of PERIOSTRACUM is a chitinous layer covering the exterior of the shell in many mollusks, being usually well developed in freshwater forms, and serving to protect the shell from corrosion
  • Periostracum - definition of periostracum by The Free Dictionary
    Define periostracum periostracum synonyms, periostracum pronunciation, periostracum translation, English dictionary definition of periostracum n pl per·i·os·tra·ca The tough horny or fibrous outer covering of the shell of many mollusks and brachiopods
  • What does PERIOSTRACUM mean? - Definitions. net
    The periostracum ( PERR-ee-OS-trə-kəm) is a thin, organic coating (or "skin") that is the outermost layer of the shell of many shelled animals, including molluscs and brachiopods Among molluscs, it is primarily seen in snails and clams, i e in gastropods and bivalves, but it is also found in cephalopods such as Allonautilus scrobiculatus
  • Periostracum Explained - Everything Explained Today
    Periostracum Explained The periostracum is a thin, organic coating (or "skin") that is the outermost layer of the shell of many shelled animals, including molluscs and brachiopods Among molluscs, it is primarily seen in snails and clams, i e in gastropods and bivalves, but it is also found in cephalopods such as Allonautilus scrobiculatus
  • Structure and function of the periostracum in the bivalve . . . - PubMed
    The periostracum is an outermost coating of all shelled-molluscs such as bivalves, corresponding to the interfacial layer separating the calcareous shells from the environment It therefore plays a key role in the growth and survival of bivalves
  • Structure and function of the periostracum in the bivalve
    The periostracum is an outermost coating of all shelled-molluscs such as bivalves, corresponding to the interfacial layer separating the calcareous shells from the environment It therefore plays a key role in the growth and survival of bivalves





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