title: Polarization optical investigations on the adductors of pelecypods (mollusca).
mesh_terms: D000818:Animals; D001718:Birefringence; D004594:Electrophysiology; D008722:Methods; D008854:Microscopy, Electron; D008974:Mollusca / Q000033:anatomy & histology*; D009119:Muscle Contraction; D009129:Muscle Tonus; D009132:Muscles / Q000166:cytology / Q000502:physiology*