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How long does it take for a new cell that forms deep in the epidermis to gradually move upward to the skins surface?
It takes approximately two to four weeks for a new cell that forms deep in the epidermis to gradually move upward to the skin's surface. As the cell moves up, it undergoes changes in shape, size, and composition, ultimately becoming a flattened, dead cell that forms the outermost layer of the skin, known as the stratum corneum.
What causes skin to wrinkle after a long bath?
Because the Keratin in our hands & feet absorbs the water & produces swelling. As a result, the excess amount of Stratum Corneum in the skin produces wrinkles. The hands & feet are the only places this occurs because the skin is thicker on the hands & feet than anywhere else on the body.
Is stratum singular?
Yes. The plural is strata (both are pronounced with a long "a", as Straytum, or Strayta).
What is the function of stratum basale?
This is the deepest layer of the skin structure and, as such, acts as stem cells since they are the least differentiated or least specific type of skin cell. As they migrate upward, environmental factors and neighboring cells increasingly cause them to become more specific cell types. Ocassionally called the "basement membrane," found to be essential for proper healing after thermal injuries to the skin. Was eventually found to be the reason why earlier attempts at skin grafts using only upper skin cells were found not to be effective in 3-rd degree full thickness burns. Modern skin grafts now use a layer of these stratum g. cells on the artificial skin, followed by other cells added later. The result has been a marked improvement in the rate of successful skin grafts.
How are fossils dated and how does this relate to phylogenetic trees?
There are many different methods of dating fossils including their geological stratum and carbon dating. Phylogenetic trees are dated by their geological stratum because they have something called the COI gene that shows they have roots from a long time ago.
What cell is very long and has branches?
A nerve cell, or neuron, is long and branching.
In a cell the tangled long strands of DNA form the?
In a cell, the tangles of long strands of DNA form the
Is the longest cell the nerve cell of the giant squid?
No, the nerve cell of a giraffe is typically considered the longest cell, as it can reach up to 9 feet in length. The nerve cell of the giant squid can be long, but not as long as the nerve cell of a giraffe.
If you were to stretch the DNA from a cell out, how long would the strand be?
If you were to stretch the DNA from a cell out, the strand would be about 6 feet long.
Why does the muscle cell have a long shape?
The cell is long because the , muscle needs to stretch and contract when you use that muscle. Therefore it needs to be long in order to stretch.
What is a cell with long fibers extending from the cell body?
Epithelial tissue
What is the length of sperm cell?
The average sperm cell is about 40 microns long.
