This occurs as a result of the folding of ectoderm tissue. The ectoderm is a type of germ cell layer present in a young embryo.
During the development of most vertebrates, the notochord becomes the nucleus pulpous. In some species, such as the sturgeon and hagfish, the notochord remains even after adulthood is reached.
The neurula stage is the stage of development of the nervous system of vertebrates. In a human fetus, if there are some failure in the development of the nervous system during the neurula stage, some serious birth defects could occur.
Any substance that governs the movement and development of cells during morphogenesis by forming a concentration gradient in the developing tissue
The development of form in an organism during its growth. The evolutionary development of form in an organism or part of an organism. Morphogenetic adj.
a fertilized cell develops into a organism during the cell cycle
A potato develops tubers during one of the stages of its life cycle.
Vertebrates do not have exoskeletons. However, they do have internal organs, vertebral columns, and tails. Lampreys are vertebrates that also do not have jaws.
No. The 1st vertebrates appeared in the fossil record about 525 million years ago during the Cambrian Period. This was in the Paleozoic Era.
Myoma develops in women mostly during the reproductive years. This grows very quickly during pregnancy when the bodyÕs creating extra estrogen.
Fish and vertebrates.
True
The middle layer is formed during the gastrulation. This layer develops into muscles, bones and blood vessels.