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Emam, W., Aly, R. (2000). THE MALE REPRODUCTIVE SYSTEM OF THE REEF SQUID SEPIOTEUTHIS LESSONIANA LESSON, 1830 (MOLLUSCA: CEPHALOPODA) FROM THE GULF OF SUEZ. Egyptian Journal of Aquatic Biology and Fisheries, 4(1), 265-295. doi: 10.21608/ejabf.2000.1651
Waheed Emam; Reda Aly. "THE MALE REPRODUCTIVE SYSTEM OF THE REEF SQUID SEPIOTEUTHIS LESSONIANA LESSON, 1830 (MOLLUSCA: CEPHALOPODA) FROM THE GULF OF SUEZ". Egyptian Journal of Aquatic Biology and Fisheries, 4, 1, 2000, 265-295. doi: 10.21608/ejabf.2000.1651
Emam, W., Aly, R. (2000). 'THE MALE REPRODUCTIVE SYSTEM OF THE REEF SQUID SEPIOTEUTHIS LESSONIANA LESSON, 1830 (MOLLUSCA: CEPHALOPODA) FROM THE GULF OF SUEZ', Egyptian Journal of Aquatic Biology and Fisheries, 4(1), pp. 265-295. doi: 10.21608/ejabf.2000.1651
Emam, W., Aly, R. THE MALE REPRODUCTIVE SYSTEM OF THE REEF SQUID SEPIOTEUTHIS LESSONIANA LESSON, 1830 (MOLLUSCA: CEPHALOPODA) FROM THE GULF OF SUEZ. Egyptian Journal of Aquatic Biology and Fisheries, 2000; 4(1): 265-295. doi: 10.21608/ejabf.2000.1651

THE MALE REPRODUCTIVE SYSTEM OF THE REEF SQUID SEPIOTEUTHIS LESSONIANA LESSON, 1830 (MOLLUSCA: CEPHALOPODA) FROM THE GULF OF SUEZ

Article 15, Volume 4, Issue 1, January 2000, Page 265-295  XML PDF (3.95 MB)
Document Type: Original Article
DOI: 10.21608/ejabf.2000.1651
Authors
Waheed Emam; Reda Aly
Zoology Department, Faculty of Science, Ain Shams
Abstract
Sepioteuthis lessoniana Lesson, 1830, represents the most common species of squids in the Red Sea. It was chosen for a detailed study of the macro- and microscopic anatomy of its male reproductive system with special reference to the structure of its spermatophores and the method of their formation.The male reproductive system is differentiated into a single testis and a gonoduct which consists of a vas deferens, a complex spermatophoric organ, a spermatophoric duct and a spermatophoric sac that ends with a muscular conducting tube. The testis is formed of a large number of closely compact seminiferous tubules containing different stages of spermatogenesis. The spermatophoric organ is composed of six glands: mucilagenous I & n, ejaculatory appartaus, middle and outer tunic and accessory gland with its appendix. The structure of each of these glands was demonstrated and discussed.The spermatophore of S. lessoniana is a minute structure that consists of a spermatophoric cord and an ejaculatory apparatus connected together through the connective region. The structure of different parts of the spermatophore and the method of their formation were studied and discussed.
Keywords
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Main Subjects
Fisheries
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