Dictionary > Trypomastigote

Trypomastigote

Definition
noun, plural: trypomastigotes
(protistology) The developmental stage or the morphological form in the lifecycle of trypanosomatids in which the characteristic morphological form is a flagellum arises from a posteriorly located kinetoplast and emerges from the side of the body, with an undulating membrane running along the length of the body
Supplement
Trypanosomatids (a group of kinetoplastid protozoa) have different morphological forms in their life cycle. And their forms are distinguished mainly through the position, length, and the cell body attachment of the flagellum. These morphological forms or stages in their life cyle include the following: (1) amastigote, (2) promastigote, (3) epimastigote, (4) trypomastigote, (5) opisthomastigote, and (6) choanomastigote.
The trypomastigote stage is characterized by the presence of a flagellum arises from a posteriorly located kinetoplast and emerges from the side of the body. The flagellum is connected to an undulating membrane, which is a sinuous extension of the cytoplasmic membrane performing vigorous, wavelike, and reversible movements. The trypomastigote stage is formerly referred to as the trypanosomal stage. The latter was replaced with the term trypomastigote since it is often confused with the flagellate genus Trypanosome.
The trypomastigote stage is the infective stage for south American trypanosomiasis and african trypanosomiasis.
Synonym(s):

  • trypanosomal stage (archaic)

Compare:

  • amastigote
  • promastigote
  • epimastigote
  • opisthomastigote
  • choanomastigote
  • See also:


    You will also like...

    Carbohydrates, fats and proteins - dietary sources
    A Balanced Diet – Carbohydrates and Fat

    Apart from vitamins, the human body also requires high energy sources such as carbohydrates and fats. If you want an ove..

    Population Growth and Survivorship
    Population Growth and Survivorship

    This lesson looks at population attributes, regulation, and growth. It also covers population genetics, particularly gen..

    Endemic Flora of New Zealand
    New Zealand’s Unique Flora

    If New Zealand has lots of unique animals, it's also got a whole lot of unique plants. Find out more about some of them,..

    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..

    Schematic diagram of DNA replication
    DNA Structure & DNA Replication

    DNA is a double helix structure comprised of nucleotides. A nucleotide, in turn, is made up of phosphate molecule, deoxy..

    A sperm cell fertilizing an ovum
    Human Reproduction and Fertilization

    For human species to obviate extinction, reproductive mature adults should be producing viable offspring in order to con..

    Related Articles...

    No related articles found

    See all Related Topics