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Ultrastructure of the earthworm calciferous gland. A preliminary study

Published online by Cambridge University Press:  21 August 2009

J. Méndez ,
J. B. Rodríguez ,
R. Álvarez-Otero ,
M. J. I. Briones  and
L. Gago-Duport
J. Méndez
Affiliation:
Servicio de Microscopía Electrónica, CACTI. Universidad de Vigo, 36310 Vigo, EspaÑa
J. B. Rodríguez
Affiliation:
Servicio de Microscopía Electrónica, CACTI. Universidad de Vigo, 36310 Vigo, EspaÑa
R. Álvarez-Otero
Affiliation:
Depto. de Biología Funcional y CC de la Salud. Universidad de Vigo, 36310 Vigo, EspaÑa
M. J. I. Briones
Affiliation:
Depto. de Ecología y Biología Animal. Universidad de Vigo, 36310 Vigo, EspaÑa
L. Gago-Duport
Affiliation:
Depto. de Geociencias Marinas. Universidad de Vigo, 36310 Vigo, EspaÑa

Abstract

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The earthworm species belonging to the Lumbricidae family (Annelida, Oligochaeta) posses a complex oesophageal organ known as “calciferous gland” which secretes a concentrated suspension of calcium carbonate. Previous studies have demonstrated the non-crystalline structure of this calcareous fluid representing an interesting example of biomineralisation.

Type
Life Sciences
Information
Microscopy and Microanalysis , Volume 15 , Supplement S3 , July 2009 , pp. 25 - 26
Copyright
Copyright © Microscopy Society of America 2009