The structure and function of the nematocysts of Chironex fleckeri Southcott, 1956

Rifkin J. and Endean R. (1983) The structure and function of the nematocysts of Chironex fleckeri Southcott, 1956. Cell and Tissue Research, 233 3: 563-577. doi:10.1007/BF00212225


Author Rifkin J.
Endean R.
Title The structure and function of the nematocysts of Chironex fleckeri Southcott, 1956
Journal name Cell and Tissue Research   Check publisher's open access policy
ISSN 0302-766X
Publication date 1983-01-01
Sub-type Article (original research)
DOI 10.1007/BF00212225
Volume 233
Issue 3
Start page 563
End page 577
Total pages 15
Publisher Springer-Verlag
Subject 2702 Anatomy
1308 Clinical Biochemistry
1307 Cell Biology
Abstract Microbasic p-mastigophores, euryteles of two size groups, holotrichous isorhizas and atrichous isorhizas, comprise the cnidom of Chironex fleckeri, a cubozoan that has been responsible for several human fatalities. In its undischarged state each microbasic mastigophore of C. fleckeri consists of a capsule containing matrix and an inverted tube possessing a smooth-walled butt which is loosely coiled helically and which narrows to form a thread that is tightly coiled helically and markedly pleated. Both butt and thread carry three helices of spines and contain a granular matrix. During discharge, the proximal butt spines form initially a piercing stylet. Granular material from the butt and thread is released prior to the release of capsular material. Each eurytele possesses a tube with a butt composed of three bulbs, the middle bulb bearing long spines. Each holotrichous isorhiza possesses a coiled tube bearing small spines along its length. Each atrichous isorhiza exhibits a tube that is devoid of spines and loosely folded in the undischarged condition. The probable role of each type of nematocyst is inferred from its structure and features that enable the ready separation of the nematocysts of C. fleckeri from those of scyphozoan jellyfish are discussed.
Keyword Cubozoa
Function
Nematocysts
Structure
Ultrastructure
Q-Index Code C1
Q-Index Status Provisional Code
Institutional Status Unknown

Document type: Journal Article
Sub-type: Article (original research)
Collection: Scopus Import
 
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