A new method for recording the rhythmic activity of adductor of larvae of fresh-water mussel (glochidia)

Lábos, Elemér (1964) A new method for recording the rhythmic activity of adductor of larvae of fresh-water mussel (glochidia). A Magyar Tudományos Akadémia Tihanyi Biológiai Kutatóintézetének évkönyve, 31. pp. 23-26. ISSN 0365-3005

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Abstract

A method is devised for registering objectively with photoelectric apparatus the small movements (< 0.5 mm) of 0.5 mm great animals. The larva of fresh-water mussel (Anodonta cygnea L.) was the object of these studies, and the rhythmic movement of their adductor was registered with the above method The advantages and disadvantages of methods applied so far for registering the rhythmic motor activity of glochidia are discussed. This photo-electric method is automatic, simple and more up to date in many respects than previous procedures, for it ensures objective registration, which allows of obtaining new data and a more accurate evaluation of results.

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