--%>
Assignment Help - homework help

Blastopore and archenteron

Explain the blastopore and archenteron? Which is the stage of embryonic development where these structures are formed? Specify the destinations of archenteron and of blastopore?

E

Expert

Verified

Archenteron is defined as the tube which is formed during the gastrulation by means of invagination of the blastula wall in the blatocele. It is described as the origin of gastrointestinal tract. Blastopore refers to the opening of archenteron to exterior. The blastopore provides birth to one of extremities of digestive tube: the mouth in protostome beings, or anus in the deuterostome beings.

   Related Questions in Biology

  • Q : Is there any living being without cell

    Is there any living being without cell? Illustrate.

    		•
  • Q : Similarities between reptiles and Birds

    State some similarities which reptiles and birds share regarding the reproduction, external coverage and excretion?

    		•
  • Q : Describe muscle tissues-Typical

    Describe briefly the term muscle tissues? How is the function of this tissue related to typical features of its cells?

    		•
  • Q : Frequency of use-Market Information

    Frequency of use: The frequency of use of the system offers way as to how much should be the level of computerization. Like for example if user is using the system once each month only them in such cases it is advisable and enough to expand a system t

    		•
  • Q : When must I stop taking the vitamins

    When must I stop taking the vitamins suggested by my health-care provider?

    		•
  • Q : Formations of egg cells described

    Indicating respective ploidy and the name of all involved cells how can the formations of egg cells through germ cells described?

    		•
  • Q : Define Technology Transfer Technology

    Technology Transfer: It is the movement or flow of technical knowledge, designs, data, prototypes, software, materials, inventions, and/or trade secrets from one organization to the other organization or from one purpose to the other.

    		•
  • Q : Difference between algae and protozoans

    What is the basic difference between algae and protozoans?

    		•
  • Q : In which place of the cell can ribosome

    In which place of the cell can ribosome be found? What is the major biological function of ribosome?

    		•
  • Q : Situational factors - Personality

    An individual's personality may change in different situations. The demands of different situations may call for different aspects of one's personality. Therefore, we should not look at the personality factors in isolation. Although certain generalizations can be made about personality, there exi

    		•