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Where in the organism is the cell found in a root hair cell?
The root hair cell is found in the root system of a plant, specifically near the tips of the roots where they are actively growing. These cells extend from the root epidermis and are specialized for water and nutrient absorption from the soil. The elongated shape of root hair cells increases the surface area for absorption.
Where do the cells divide to produce hair?
Hair cells divide in the hair follicle, which is located in the outer layer of the skin called the epidermis. The hair follicle contains stem cells that divide and differentiate to produce new hair cells, eventually forming the hair shaft that grows out of the skin.
Is growing hair a chemical or physical change?
Growing hair is a biological process that involves physical changes. Cells in hair follicles divide and differentiate to produce new cells, which then form hair strands. This process does not involve a chemical reaction that alters the chemical composition of the hair.
Are the hair papilla living or dead cells?
The hair papilla is composed of living cells. It contains a cluster of specialized cells that include fibroblasts, which are essential for hair growth and the overall health of hair follicles. These living cells provide nutrients and signaling to the hair matrix, where new hair cells are produced. Therefore, the hair papilla plays a crucial role in the hair growth cycle.
Where part of the hair does mitosis takes place?
Mitosis in hair occurs primarily in the hair follicle, specifically in the hair bulb at the base of the follicle. This region contains rapidly dividing cells in the matrix that contribute to hair growth. As these cells divide, they push older cells upward, allowing for the elongation of the hair strand. This process is crucial for hair production and regeneration.
Is hair nonliving or living?
Hair is considered nonliving because it is composed of dead cells that are no longer actively growing or metabolizing. Although hair follicles are living structures that produce hair, once the hair emerges from the follicle, it is no longer alive.
Why do babies have no hair when their born?
because their hair cells are forming and growing
Receptors that contains hair bundles hair cells and supporting cells?
spiral organ of Corti
Where in the organism is the cell found in a root hair cell?
The root hair cell is found in the root system of a plant, specifically near the tips of the roots where they are actively growing. These cells extend from the root epidermis and are specialized for water and nutrient absorption from the soil. The elongated shape of root hair cells increases the surface area for absorption.
Can chemotherapy help thicken blood?
Chemotherapy destroys actively growing cells such as hair, lining of stomach, and blood cells...because cancer is a tumor of fast growing cells. this is why people on chemotherapy get nausea and vomiting, and hair loss and become anemic. there are products that can be taken to increase RBC production, erythropoetin. This is what athletes use to increase their RBCs and therefore oxygen carrying capacity Therefore your blood doesn't get "thicker", you lose red blood cells, white blood cells, platelets etc. with chemotherapy.
The epidermis contains what?
The epidermis contains several layers of cells, including keratinocytes, melanocytes, Langerhans cells, and Merkel cells. It also contains nerve endings, blood vessels, and hair follicles.
Where do the cells divide to produce hair?
Hair cells divide in the hair follicle, which is located in the outer layer of the skin called the epidermis. The hair follicle contains stem cells that divide and differentiate to produce new hair cells, eventually forming the hair shaft that grows out of the skin.
Is growing hair a chemical or physical change?
Growing hair is a biological process that involves physical changes. Cells in hair follicles divide and differentiate to produce new cells, which then form hair strands. This process does not involve a chemical reaction that alters the chemical composition of the hair.
Are the hair papilla living or dead cells?
The hair papilla is composed of living cells. It contains a cluster of specialized cells that include fibroblasts, which are essential for hair growth and the overall health of hair follicles. These living cells provide nutrients and signaling to the hair matrix, where new hair cells are produced. Therefore, the hair papilla plays a crucial role in the hair growth cycle.
Why does your hair gray when you get older?
Each hair follicle contains a certain number of pigment cells. As we age the pigment cells in the hair follicles gradually die and the hair turns gray, silver, or white.
How does chemotherapeutic drugs kill the cancer cells and not kill the human?
Basically, chemo drugs target the fastest-growing cells. So they kill cancer cells, but also some fast-growing human cells like those in hair follicles and the gastrointestinal tract (that's why chemo patients lose their hair and feel nauseated).
What is inside hair?
The hair you see on every part of your body contains dead cells. That's why it doesn't cause pain when someone cuts your hair with scissors.
