Biomedical subjects
D J Aidley
Publications and source records attributed to D J Aidley.
Blood group, serum protein and red cell enzyme polymorphisms in a population from the Seychelle Islands.
161 inhabitants of the Seychelle Islands have been examined for blood group, serum protein, and red cell enzyme polymorphisms. The gene frequency data obtained from this survey supports the anthropological view that the present-day Creole-speaking inhabitants of the Seychelle Islands result from a admixture of African and European stock.
Mechanical properties of glycerinated fibres from the tymbal muscles of a Brazilian cicada.
1. Some of the properties of glycerinated fibres from the synchronous tymbal muscles of the cicada Fidicina rana have been investigated.2. In the presence of suitable concentrations of ATP and calcium ions, the fibres are able to perform oscillatory work when subjected to small sinusoidal length changes in the frequency range 2-30 c/s.3. When subjected to abrupt changes in length, active fibres show a delayed increase in tension after a stretch and a delayed decrease in tension after release.4. The muscle fibres therefore show the mechanical properties characteristic of glycerinated fibres from asychronous insect flight muscles. Some implications of this finding in relation to the evolution of asynchronous muscles are discussed.
A suggestion regarding the cellular basis of learning.
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Transient changes in isotonic shortening velocity of frog rectus abdominis muscles in potassium contracture.
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