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ERESUS CINNABARINUS (OLIVIER, 1789) (ARANEAE, ERESIDAE) ÖRÜMCEĞİNİN ZEHİR AYGITI ÜZERİNE MORFOLOJİK BİR ÇALIŞMA

Journal: Süleyman Demirel University Faculty of Arts and Science Journal of Science (Vol.2, No. 2)

Publication Date:

Authors : ;

Page : 126-135

Keywords : Eresus cinnabarinus; keliser; morfoloji; zehir bezi; taramalı elektron mikroskop (SEM);

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Abstract

A MORPHOLOGICAL STUDY ON THE VENOM APPARATUS OF THE SPIDER ERESUS CINNABARINUS (OLIVIER, 1789) (ARANEAE, ERESIDAE) Abstract: In this study, morphological structure of the venom apparatus of Eresus cinnabarinus was studied using scanning electron microscope (SEM). Venom apparatus situated in the prosoma is composed of a pair of chelicerae and venom glands. Each chelicera consists of two parts, a stout basal part covered by hair, and a movable venom fang. A venom pore is situated on subterminal part of the fang. There are parallel grooves at out surface of the venom fang. Just below the venom fang, there is a chelicera groove next to the teeth. Each side of the groove is covered with cuticular teeth. The venom glands are rather big and they are similar to clapper in shape. Each gland is surrounded by completely striated muscular fibers. The venom produced in the venom glands by contraction of these muscular fibers is ejected into the venom fang through a canal, and is thrown out by the venom pore. Key words: Eresus cinnabarinus, Chelicerae, morphology, venom gland, scanning electron microscope. A MORPHOLOGICAL STUDY ON THE VENOM APPARATUS OF THE SPIDER ERESUS CINNABARINUS (OLIVIER, 1789) (ARANEAE, ERESIDAE) Abstract: In this study, morphological structure of the venom apparatus of Eresus cinnabarinus was studied using scanning electron microscope (SEM). Venom apparatus situated in the prosoma is composed of a pair of chelicerae and venom glands. Each chelicera consists of two parts, a stout basal part covered by hair, and a movable venom fang. A venom pore is situated on subterminal part of the fang. There are parallel grooves at out surface of the venom fang. Just below the venom fang, there is a chelicera groove next to the teeth. Each side of the groove is covered with cuticular teeth. The venom glands are rather big and they are similar to clapper in shape. Each gland is surrounded by completely striated muscular fibers. The venom produced in the venom glands by contraction of these muscular fibers is ejected into the venom fang through a canal, and is thrown out by the venom pore. Key words: Eresus cinnabarinus, Chelicerae, morphology, venom gland, scanning electron microscope.

Last modified: 2017-08-02 17:55:35