한국패류학회지 (The Korean Journal of Malacology)
- 제4권1호
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- Pages.30-41
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- 1988
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- 1225-3480(pISSN)
동죽, Mactra veneriformis Reeve 의 성성숙에 관한 연구
A Study on Sexual Maturation of Mactra veneriformis Reeve
- Chung, Ee-Yung (Department of Marine Development, Kunsan National University) ;
- Kim, Sung-Yeon (Department of Marine Biology, National Fisheries University of Pusan) ;
- Lee, Taek-Yuil (Department of Marine Development, Kunsan National University)
- 발행 : 1988.12.01
초록
The gonadal development, the annual reproductive cycle and the first sexual maturity of surf clam, Mactra veneriformis Reeve were studied histologically. Speciemens were monthly collected at the intertidal zone of Naechodo, Chollabuk-do, Korea, for one year from March 1986 to February 1987. Sexuality of the clam is dioecious. The gonads were located between the subregion of mid-intestinal gland in the visceral cavity and the reticular connetive tissues of the foot, The ovary is composed of a number of ovarian sacs, and the testis comprise several testiculat lobules. The undifferentiated mesenchymal tissues and eosinophilic granular cells function as nutritive cells in the early stage. The ripe eggs were about 50-60
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