1, Loop wuxuu u wareegaa si isku mid ah isagoo ku rogmanaya gacanta 3-ring, meeleyn sax ah.
2, Waxaa lagu sameeyay birta-birta-caafimaadka adag oo siinaya astaamo goyn sax ah oo degdeg ah.
3, The oval, hexagonal ama loop qaab bilaha ah, iyo silig dabacsan, qabsada burooyinkeeda yar si fudud
4, Si fudud u furan oo u dhow habka fududaynta isticmaalka
5, Galka khafiifka ah si looga hortago dhaawaca kanaalka endoscopic