embryo
The function of the chicken ovary is to produce and release eggs. Each ovary contains a cluster of developing egg cells called ova, which mature and are released periodically for fertilization.
Egg is a zygote or cell but its cluster is not a tissue because a tissue forms an organ but egg cluster does not. OR We can consider a cluster of eggs as a tissue as they are similar cells and perform a specific function.
The cells that eventually form the organ systems of the infant start developing during the embryonic phase of pregnancy, which is generally considered the period from conception to about 8 weeks. This is when the basic structures of the organs begin to form through processes like cell differentiation, migration, and tissue organization.
A beauty spot, also known as a mole, is formed when skin cells called melanocytes grow in a cluster instead of spreading throughout the skin. This cluster of cells produces excess melanin, which gives the spot its darker color. Beauty spots can be present at birth or develop throughout a person's lifetime.
After a few weeks of conception, stem cells begin to differentiate into the organs of the developing embryo, with the formation of the heart being one of the earliest events. Around the third week of gestation, the heart starts to develop from mesodermal stem cells, marking a crucial step in organogenesis. This process sets the foundation for the development of other organs and systems in the body as the embryo continues to grow.
This cluster of cells change the baby grows from pre-embryo to embryo to fetus.
Embryo, between the 3rd and 8th week. Fetus, after the 8th week
Conception
The term for single cells formed immediately after conception is "zygote."
The function of the chicken ovary is to produce and release eggs. Each ovary contains a cluster of developing egg cells called ova, which mature and are released periodically for fertilization.
These fast-growing, malignant tumors are now believed to originate in developing cells not normally present in the body after birth
After conception, the fertilized egg begins to divide rapidly, forming a cluster of cells called a blastocyst. This blastocyst travels down the fallopian tube towards the uterus for about 5-7 days before implantation occurs. Implantation is when the blastocyst attaches to the lining of the uterus, where it will continue to grow and develop into an embryo.
Egg is a zygote or cell but its cluster is not a tissue because a tissue forms an organ but egg cluster does not. OR We can consider a cluster of eggs as a tissue as they are similar cells and perform a specific function.
The cells that eventually form the organ systems of the infant start developing during the embryonic phase of pregnancy, which is generally considered the period from conception to about 8 weeks. This is when the basic structures of the organs begin to form through processes like cell differentiation, migration, and tissue organization.
Blood clot
A beauty spot, also known as a mole, is formed when skin cells called melanocytes grow in a cluster instead of spreading throughout the skin. This cluster of cells produces excess melanin, which gives the spot its darker color. Beauty spots can be present at birth or develop throughout a person's lifetime.
After a few weeks of conception, stem cells begin to differentiate into the organs of the developing embryo, with the formation of the heart being one of the earliest events. Around the third week of gestation, the heart starts to develop from mesodermal stem cells, marking a crucial step in organogenesis. This process sets the foundation for the development of other organs and systems in the body as the embryo continues to grow.