Sousa, M Ultrastructural and cytochemical study of spermatogenesis in Scrobicularia plana (Mollusca, Bivalvia). [electronic resource] - Gamete research Dec 1989 - 393-401 p. digital Publication Type: Journal Article; Research Support, Non-U.S. Gov't ISSN: 0148-7280 Standard No.: 10.1002/mrd.1120240406 doi Subjects--Topical Terms: Acid Phosphatase--metabolismAcrosome--ultrastructureAnimalsHistocytochemistryMaleMollusca--physiologySpermatids--ultrastructureSpermatogenesisSpermatozoa--enzymologyTestis--ultrastructure