Davidson, J K Insulin assays and light microscopical studies of digestive organs in protostomian and deuterostomian species and in coelenterates. [electronic resource] - General and comparative endocrinology Oct 1971 - 388-401 p. digital Publication Type: Journal Article ISSN: 0016-6480 Standard No.: 10.1016/0016-6480(71)90148-1 doi Subjects--Topical Terms: AnimalsBenzopyransBiological EvolutionBrachyura--anatomy & histologyChordata, Nonvertebrate--anatomy & histologyCnidaria--anatomy & histologyDigestive System--anatomy & histologyGastric Mucosa--anatomy & histologyHistocytochemistryHistology, ComparativeInsulin--analysisInsulin SecretionIntestinal Mucosa--anatomy & histologyInvertebrates--anatomy & histologyMollusca--anatomy & histologyNephropidae--anatomy & histologyPhysiology, ComparativeRosaniline DyesStaining and Labeling