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Çѱ¹ÇÏõȣ¼öÇÐȸ / v.33, no.4, 2000³â, pp.405-412
´ë³ó°»ÀÌ Leiocassis ussuriensis Á¤ÀÚÀÇ ¹Ì¼¼±¸Á¶¿Í °èÅëÀû °íÂû (°æ°ñ¾î·ù, ¸Þ±â¸ñ, µ¿ÀÚ°³°ú)
( The Ultrastructure of Spermatozoa of the Ussurian Bullhead, Leiocassis ussuriensis (Teleostei, Siluriformes, Bagridae) with Phylogenetic Considerations )
±è±¸È¯;ÀÌ¿µÈ¯; ´ë±¸´ëÇб³ »ç¹ü´ëÇÐ °úÇб³À°ÇкÎ;´ë±¸´ëÇб³ »ç¹ü´ëÇÐ °úÇб³À°ÇкÎ;
 
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´ë³ó°»ÀÌ Á¤ÀÚÀÇ ¹Ì¼¼±¸Á¶¸¦ Åõ°ú ¹× ÁÖ»çÀüÀÚÇö¹Ì°æÀ» ÀÌ¿ëÇÏ¿© °üÂûÇÏ¿´´Ù. ´ë³ó°»ÀÌÀÇ Á¤ÀÚ´Â ±× ±æÀ̰¡ 68.8 ${mu}$m·Î¼­ ±¸ÇüÀÇ ÇÙ, ªÀº ÁßÆí ¹× ÇϳªÀÇ Æí¸ð·Î ±¸¼ºµÇ¾î ÀÖ¾ú´Ù. Á¤ÀÚÀÇ ¹Ì¼¼±¸Á¶Àû Ư¡À» »ìÆìº¸¸é ´ÙÀ½°ú °°´Ù. ÇÙ¿Í´Â ÇÙÀÇ ±âºÎ¿¡¼­ ¾à 2/3 ±íÀ̱îÁö ÇÔÀԵǾî ÀÖÀ¸¸ç ±× ³»ºÎ¿¡ ±âºÎÁ߽ɸ³°ú ¸»´ÜºÎ Á߽ɸ³À» Æ÷ÇÔÇϰí ÀÖ¾ú´Ù. µÎ Á߽ɸ³ »çÀÌÀÇ °¢µµ´Â ¾à 180$^{circ}$¸¦ ÀÌ·ç°í ÀÖ¾ú´Ù. ¹ÌÅäÄܵ帮¾Æ´Â ±× ¼ö°¡ ¾à 10°³ Á¤µµ·Î µÎ ÃþÀÇ ¹è¿­À» Çϰí ÀÖ¾ú´Ù. Ãà»ç´Â 9+2ÀÇ ¹Ì¼¼¼Ò°ü ±¸Á¶¸¦ ÇÏ¸ç µð³×ÀÎ ³»¿Ï¸¸ÀÌ °üÂûµÇ¾ú´Âµ¥ ÀÌ·¯ÇÑ ¾ç»óÀº µ¿ÀÚ°³°úÀÇ ´Ù¸¥ Á¾¿¡¼­¸¸ ³ªÅ¸³ª°í À־ µ¿ÀÚ°³°úÀÇ Æ¯Â¡À¸·Î º¸¿©Áø´Ù. µÎ °³ÀÇ axonemal fins´Â Á߽ɹ̼¼¼Ò°üÀÇ Ãà°ú °°Àº ¹æÇâÀ¸·Î µ¹ÃâµÇ¾î ÀÖ¾ú´Ù. µÎ °³ÀÇ axonemal fin¸¦ °¡Áö°í µð³×ÀÎ ¿Ü¿ÏÀÌ ¼Ò½ÇµÇ¾îÀÖ´Â ´ë³ó°»ÀÌ Á¤ÀÚÀÇ ÀÌ·¯ÇÑ ±¸Á¶Àû Ư¡Àº µ¿ÀÚ°³°ú¿¡¼­´Â °øÀ¯ÇüÁú·Î ³ªÅ¸³ª¸ç ¶ÇÇÑ ±íÀÌ ÇÔÀÔµÈ ÇÙ¿ÍÀÇ Æ¯Â¡Àº ¸Þ±â¸ñ Àüü¿¡¼­ °øÀ¯ÇüÁú·Î ³ªÅ¸³­´Ù. Axonemal fins´Â ¸Þ±â¸ñÀÇ µ¿ÀÚ°³°ú¿Í Åü°¡¸®°ú¿¡¼­´Â °üÂûµÇ´Â ¹Ý¸é¿¡ ¸Þ±â°ú¿Í î³Úµ¿ÀÚ°³°ú¿¡¼­´Â ÀÌ·¯ÇÑ ±¸Á¶°¡ º¸°íµÇÁö ¾Ê¾Ò´Ù. À×¾î¸ñ°ú Characiformes¿¡¼­µµ ÀÌ·¯ÇÑ ±¸Á¶°¡ °üÂûµÇÁö ¾Ê¾Æ¼­ Ostariophysi³»¿¡¼­ ÀÌ ±¸Á¶´Â ÆÄ»ýÇüÁú·Î »ç·áµÈ´Ù.
The fine structure of spermatozoa of Leiocassis ussuriensis was examined with scanning and transmission electron microscopies. The spermatozoon of L. ussuriensis is approximately $68.8;{mu}m$ in length and a relatively simple cell with a spherical nucleus, a short midpiece and a tail. The ultrastructure of spermatozoa of L. ussuriensis is characterized by the following features. The nuclear fossa, the length of which is about two-thirds of the nuclear diameter, contains two centrioles. The centrioles are orientated approximately $180^{circ}$ to each other. The mitochondria are arranged in two layers and their number is 12 or more. The axoneme is the 9+2microtubular pattern and has inner but no outer dynein arms as in other bagrids. The two axonemal fins are in the same plane with the two central microtubules, the doublets 3 and 8. The axonemal fins and the inner dynein arm are shared in Bagridae and the deep nuclear fossa is shared in Siluriformes. The axonemal finsobse observed in Bagridae and Amblycipitidae of Siluriformes might be the apomorphic character in Ostariophysi. They are not reported in Cyprinidae and Characiformes.
 
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Spermatozoon;Ultrastructure;Leiocassis ussuriensis;Nuclear fossa;Axonemal fins;
 
Çѱ¹ÇÏõȣ¼öÇÐȸÁö / v.33, no.4, 2000³â, pp.405-412
Çѱ¹ÇÏõȣ¼öÇÐȸ
ISSN : 1976-8087
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200018317176477)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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