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Updated: May 2, 2026

A Seminiferous Tubule Squash Technique for the Cytological Analysis of Spermatogenesis Using the Mouse Model
Published on: February 6, 2018
An electron microscopic study of tubules in the nuclei of Selaginella leaf cells
1Laboratorium für Elektronenmikroskopie (Prof. Dr K. Mühlethaler) des Instituts für Allgemeine Botanik der Eidgenössischen Technischen Hochschule Zürich, Schweiz.
Abstract:
In the light microscope the nuclei of the leaf cells of Selaginella martensii show ring-shaped inclusions. These rings are Feulgen positive and most probably contain DNA. An electron microscopic examination of these ring-shaped inclusions shows that they are composed of closely packed tubular elements which have a constant diameter and unknown length. These bundles are often surrounded by a number of larger tubular elements which may be built up of tubular subunits.
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