Question

A. Differentiate between the following:
1.
Vas deferens and fallopian tube
2. Zygote and embryo
3. Embryo and foetus​

Answer 1

Answer: The vas deferens tubular structure that carries sperm from the epididymis to the ejaculatory duct. It receives secretions from the prostate gland and seminal vesicle. The vasa efferentia is thin and connects the rete testis with the initial section of the epididymis.

The different between Vas deferens and fallopian tube

Zygote and embryo

Zygote is the stage that is succeeded by an embryo. The zygote comprises of a single cell whereas the embryo is multicellular as in this stage cell division has already commenced. The mitosis of the zygote results in to the formation of the embryo.

Embryo and fetus​

The distinction between embryo and fetus is made based on gestational age. An embryo is the early stage of human development in which organs are critical body structures are formed. An embryo is termed a fetus beginning in the 11th week of pregnancy, which is the 9th week of development after fertilization of the egg.

Answer 2

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