Dictionary > Cnidocyst

Cnidocyst

Definition
noun, plural: cnidocysts
A capsule containing thread-like tube (commonly barbed and toxic) found inside the cnidocyte of Cnidarians
Supplement
Cnidocysts are a distinguishing feature of Cnidarians (hence the name). These capsules are found inside the cnidocytes, which are specialized cells found in their tentacles. These capsules will evert thread-like tube upon stimulation. The tube is barbed and often contains toxin, and thus delivers a paralyzing sting to capture a prey or to ward off enemies.
Synonym(s):

See also:

  • cnidocyte


    You will also like...

    Salmon jumping upstream in the river
    Lotic Communities & Animals

    A running water environment offers numerous microhabitats for many types of animals. Similar to plants, animals in lotic..

    Still freshwater and plants
    Still Freshwater & Plants

    Plants in lentic habitats have features not found in terrestrial plants. They acquired these features as they adapt to t..

    Principles of Hormonal Control Systems
    Principles of Hormonal Control Systems

    Hormones are essential in the regulation of the activity of the various biological systems of the human body. The ineffi..

    Flowers and tiny fruits of the pomegranate plant
    Fruits, Flowers, and Seeds

    This tutorial deals with the structure and function of flowers, fruits, and seeds. Also included here are the types of f..

    Crossing Over and Genetic Diversity
    Inheritance and Probability

    Gregor Mendel, an Austrian monk, is most famous in this field for his study of the phenotype of pea plants, including ..

    Psychiatry and mental disorders
    Psychiatry & Mental Disorders

    Different mental disorders are described here. Read this tutorial to get an overview of schizophrenia, affective mood di..