Table of contents | |
Human Reproduction | |
Phases of Embryonic Development | |
Fertilization | |
Menstrual Cycle |
Reproduction is the formation of new individuals of their own kind by living organisms.
The Male Reproductive System consists of:Male Reproductive System
The Female Reproductive system consists of:
Female Reproductive System
Embryonic development involves following dynamic changes and identifiable process.
It involves the formation of haploid sex cells or gametes called sperms and ova from diploid primary germ cells called gametogonia present in the reproductive organs called gonads (testes and ovary).
It is of two types:
(i) Spermatogenesis: Formation of sperm.
(ii) Oogenesis: Formation of ova.
Gametogenesis
It includes the rapid mitotic division of the zygote to form a single-layered hollow spherical larva called a blastula, and its formation is called blastulation.
Cleavage of zygote
The process of attachment of the blastocyst (mammalian blastula) on the endometrium of the uterus is called implantation.Showing Implantation
It includes the mass and orderly migration of the organ-specific areas from the surface of blastula to their predetermined position which finally produces a 3 layered gastrula larva. It is with 3 primary layers.Process of Gastrulation
It includes the formation of a specific organ system from three primary germ layers of gastrula and includes morphogenesis and differentiation.
Approach of Sperm to Ovum
Penetration of Sperm
Cortical Reaction
Fusion of Gametic Nuclei
The fusion of the sperm nucleus
The menstrual cycle consists of the following four phasesFour phases of Menstrual cycle
Menstrual PhaseFollicular Phase
Ovulatory Phase
Luteal Phase
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1. What is the process of fertilization in human reproduction? |
2. What are the phases of embryonic development? |
3. What is the menstrual cycle and its importance in human reproduction? |
4. What is the importance of the zygote in human reproduction? |
5. What are the factors that affect human reproductive health? |
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