--%>
Assignment Help - homework help

Explain the term gastrulation

Explain the term gastrulation? How for the period of gastrulation are the first two germ layers produced?  Also explain these germ layers?

E

Expert

Verified

Gastrulation is the procedure by which a part of the blastula wall goes through invagination in the blastocele, structuring a tube known as archenteron (primitive intestine). The cells of the inside side of the tube form the endoderm (germ layer) and cells of the external side form the ectoderm (another germ layer). It is starting of the tissue differentiation in embryonic.

   Related Questions in Biology

  • Q : Define the term immunogen Briefly

    Briefly define the term immunogen? Also illustrate the types of immunoglobulin?

    		•
  • Q : Five Stage Model-Group Development -

    This group development model given by Tuckman and Jensen characterizes groups as proceeding through five distinct stages: forming, storming, norming, performing, and adjourning. 1)     Forming: this first stage is characterized by a great deal of uncer

    		•
  • Q : Strategic Management Project This must

    This must be a Strategic Management Project, which is an in-depth case study analysis of General Electric Company. A strategic plan is designed to be in use for three to five years (or more). For your individual

    Q : Describe Competitive Market Position

    Competitive Market Position: It is a ranking of a brand, product, or company, in terms of its sales volume associative to the sales volume of its competitors in the similar market or business. Competitive positioni

    		•
  • Q : Why cerebellum is more developed in

    Explain why cerebellum is more developed in mammals which jump or fly?

    		•
  • Q : Preclinical data Do you know how the

    Do you know how the dose for children is being estimated based on preclinical data?

    		•
  • Q : Specialized structures which help the

    Name the specialized structures which help the adhesion between cells?

    		•
  • Q : Explain Marketing Strategy and

    Marketing Strategy and Marketing plan: Before we proceed with outlining the market strategy and marketing plan, it is desirable to learn about the subtle difference between the two. The marketing strategy is a more comprehensive concept than marketing

    		•
  • Q : Example of movement-Contraction of

    Write down some examples of movement which are created by the contraction of sarcomeres of muscle cells?

    		•
  • Q : Define Automated Manufacturing

    Automated Manufacturing: This is a manufacturing process that relies on the utilization of computerized control systems to run tools in a facility where products are made. Human operators are not required on the assembly line or manufacturing floor si

    		•