Functional Morphology of the Venom Apparatus of Larinioides ixobolus (Araneae: Araneidae)

Yiğit, Nazife; Bayram, Abdullah; Danişman, Tarık; Sancak, Zafer

doi:10.3923/pjbs.2006.1975.1978

Cited by 2 publications

(2 citation statements)

References 7 publications

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“…among others [ 19 , 20 , 21 , 22 , 23 , 24 , 25 , 26 ]. The previous works distinguish three principal units into which the venom system of spiders can be divided [ 13 , 14 , 15 , 16 , 17 , 18 , 19 , 20 , 21 , 22 , 23 , 24 , 25 , 26 ]. The first is presented by the two chelicerae, which serve as the injectors of the system.…”

Section: Introductionmentioning

confidence: 99%

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Morphological Analysis Reveals a Compartmentalized Duct in the Venom Apparatus of the Wasp Spider (Argiope bruennichi)

Schmidtberg

Reumont

Lemke

et al. 2021

Toxins

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Spiders are one of the most successful groups of venomous animals, but surprisingly few species have been examined in sufficient detail to determine the structure of their venom systems. To learn more about the venom system of the family Araneidae (orb-weavers), we selected the wasp spider (Argiope bruennichi) and examined the general structure and morphology of the venom apparatus by light microscopy. This revealed morphological features broadly similar to those reported in the small number of other spiders subject to similar investigations. However, detailed evaluation of the venom duct revealed the presence of four structurally distinct compartments. We propose that these subunits facilitate the expression and secretion of venom components, as previously reported for similar substructures in pit vipers and cone snails.

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Section: Introductionmentioning

confidence: 99%

“…and tube web spiders (Segestria spp.) among others [19][20][21][22][23][24][25][26]. The previous works distinguish three principal units into which the venom system of spiders can be divided [13][14][15][16][17][18][19][20][21][22][23][24][25][26].…”

Section: Introductionmentioning

confidence: 99%

Morphological Analysis Reveals a Compartmentalized Duct in the Venom Apparatus of the Wasp Spider (Argiope bruennichi)

Schmidtberg

Reumont

Lemke

et al. 2021

Toxins

View full text Add to dashboard Cite

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Fine structure of the chelicera in the spider Nephila clavata

Moon

2007

Entomological Research

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The fine structural characteristics of the biting apparatus in the orb‐web spider Nephila clavata were studied using scanning electron microscopy. The main biting apparatuses of spiders are the chelicerae and cheliceral fangs in the cephalothorax. The chelicera of N. clavata is that of the jack‐knife (folding knife) type, which is composed of two segments, and has a labidognathous form that moves at right angles to the body axis. Each chelicera bears a hinged fang that folds into a cheliceral groove. The tips of the fangs are quite sharp, and the spider's body is well adapted to driving the fangs into prey. Just below the fang, each side of the cheliceral groove is covered with a total of seven cuticular teeth (four promarginal teeth and three retromarginal teeth) in two rows. The cheliceral fang has a single aperture at the tip of the posterior surface, and the lower margin of the fang which meets the promarginal teeth is a saw‐like groove. Fine structural observation reveals that each fang has a single venom pore, and each cuticular depressive area on the cheliceral groove has two different types of surface pit. Approximately 40 to 50 spiky protrusions were counted at the cheliceral groove, to hold prey tightly.

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Functional Morphology of the Venom Apparatus of Larinioides ixobolus (Araneae: Araneidae)

Cited by 2 publications

References 7 publications

Morphological Analysis Reveals a Compartmentalized Duct in the Venom Apparatus of the Wasp Spider (Argiope bruennichi)

Morphological Analysis Reveals a Compartmentalized Duct in the Venom Apparatus of the Wasp Spider (Argiope bruennichi)

Fine structure of the chelicera in the spider Nephila clavata

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