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How is the placenta connected to the emb...

How is the placenta connected to the embryo?

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Assertion : In placental mammals the placenta is connected to the embryo by the umblical cord and has an essential role in the immunological protection of the embryo . Reason : In mammals foetal components of the placenta derive initially from the chondroblast connected with embryonic derive initially from he chondroblast connected with embryonic blood stream either through its contact with the yolk sac.

Name the structure that connects placenta to the embryo.

How is a voltmeter connected in the circuit to measure the potential difference between two points?

Define Placenta?

(a) Draw a diagrammatic sectional view of a mature anatropous ovule and label the following parts in it : (i) that develops into seed coat. (ii) that develops into an embryo after fertilization. (iii) that develops into an endosperm in an albuminous seed. (iv) through which the pollen tube gains entry into the embryo sac. (v) that attaches the ovule to the placenta.

The portion of the endometrium that covers the embryo and located between the embryo and the uterine cavity is the:

A collection of sporangia attached to placenta and covered over by indusium is known as