--%>

Explain the way yolk sac is formed

Explain the way yolk sac is formed? Also state the purpose of yolk sac?

E

Expert

Verified

The yolk sac is formed from covering of vitellus by some cells originated from the primal gut. The yolk sac stores vitellus, the major nourishment source of non-placental embryos.

   Related Questions in Biology

  • Q : Define the term nerves Define the term

    Define the term nerves?

  • Q : Immuno electrophoresis-paper

    How immuno electrophoresis more advance than the paper electrophoresis?

  • Q : Rough endoplasmic reticulum and Golgi

    How do rough endoplasmic reticulum and Golgi apparatus act in the production and liberation of proteins?

  • Q : What is Corporate Vision Corporate

    Corporate Vision: It is an aspirational description of what an organization would like to attain or accomplish in the mid-term or long-term future. This is intended to serves as a obvious guide for selecting present and future courses of action.

  • Q : Respiratory chain in mitochondria Where

    Where in mitochondria does the procedure termed as respiratory chain take place? Name the products of the Krebs cycle utilized in that final stage of the aerobic respiration?

  • Q : Uncontrolled mitotic process Name the

    Name the uncontrolled mitotic process which takes place as disease in the pluricellular beings termed?

  • Q : Equity Theory of Work Motivation -

    This theory was formulated by J.S. Adams. It is based on the assumption that members of an organization experience strong expectations of justice, balance and fairness in treatment by the organization. When a person feels that he is being treated unfairly by the organization, these feelings can h

  • Q : Define Work Breakdown Structure or WBS

    Work Breakdown Structure (WBS):A) Defines each and every element of the project in a hierarchical framework B) Helps with accountability: facilitates the setting (and, later, the evaluation) of

  • Q : How can amine groups be categorized How

    How can amine groups be categorized?

  • Q : Krebs cycle in the phase of aerobic

    Where in the mitochondria does the procedure called respiratory chain take place? Which are products of Krebs cycle employed in that final phase of aerobic respiration?