, Volume 43, Issue 8, pp 918–920 | Cite as

The membrane component of the ribosomal bodies from the lizardLacerta sicula: a freeze-etching study

  • A. Pannuti
  • C. Taddei
Short Communications


We have studied, using the freeze-etching technique, the cytomembranes of the flat cystenae, regularly interposed between the cristalline sheets of ribosomes, inside the ribosomal bodies of the hibernating lizardLacerta sicula. The results show the presence, on the protoplasmic face (PF), of numerous IMPs (intramembrane particles) which can be separated into two populations. The flatter ones appear to be arranged in a regular pattern, with the support of the optical diffraction analysis, can be correlated with the disposition of the ribosomes in the cristalline sheets.

Key words

Ovarian follicles Lacerta sicula ribosomal bodies cytomembranes freeze-etching 


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Copyright information

© Birkhäuser Verlag 1987

Authors and Affiliations

  • A. Pannuti
    • 1
  • C. Taddei
    • 2
  1. 1.Dipartimento di Genetica e di Biologia Generale e MolecolareUniversità di NapoliItaly
  2. 2.Istituto di Anatomia ComparataUniversità di BolognaBolognaItaly

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