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What will the ectoderm cells eventually differentiate into?
Ectoderm cells will differentiate into various tissues and structures in the body, such as the epidermis (outer layer of skin), nervous system (brain, spinal cord, nerves), and structures like hair and nails.
What is the fatty layer of tissue that gives many nerves a whitish color?
The fatty layer of tissue that gives many nerves a whitish color is called myelin. Myelin is produced by specialized cells called Schwann cells in the peripheral nervous system and oligodendrocytes in the central nervous system. It acts as an insulating layer around nerve fibers, allowing for faster conduction of nerve impulses.
What does the germinal layer do?
The germinal layer is the innermost layer of the skin where new skin cells are formed. This layer contains stem cells that divide and differentiate to regenerate the outer layers of the skin, providing a constant supply of new skin cells for growth and repair.
What wraps around larger axons?
Larger axons are typically wrapped with a fatty substance called myelin, which is produced by Schwann cells in the peripheral nervous system and oligodendrocytes in the central nervous system. Myelin serves as an insulating layer that helps to increase the speed and efficiency of nerve impulse conduction along the axon.
What tissue has stem cells to produce new epidermal cells?
The basal layer of the epidermis contains stem cells that continuously divide and differentiate to produce new epidermal cells. These stem cells are responsible for regenerating the skin's outer layer.
What will the ectoderm cells eventually differentiate into?
Ectoderm cells will differentiate into various tissues and structures in the body, such as the epidermis (outer layer of skin), nervous system (brain, spinal cord, nerves), and structures like hair and nails.
The layer of the embryo gives rise to the tissues of the nervous system by?
The ectoderm layer of the embryo gives rise to the tissues of the nervous system through a process called neurulation. During neurulation, the neural tube forms from the ectoderm, which eventually gives rise to the brain and spinal cord. The cells within the neural tube differentiate into various types of neural cells that make up the nervous system.
What is the fatty layer of tissue that gives many nerves a whitish color?
The fatty layer of tissue that gives many nerves a whitish color is called myelin. Myelin is produced by specialized cells called Schwann cells in the peripheral nervous system and oligodendrocytes in the central nervous system. It acts as an insulating layer around nerve fibers, allowing for faster conduction of nerve impulses.
What does the germinal layer do?
The germinal layer is the innermost layer of the skin where new skin cells are formed. This layer contains stem cells that divide and differentiate to regenerate the outer layers of the skin, providing a constant supply of new skin cells for growth and repair.
The region that is responsible for insulation is?
The region responsible for insulation in the nervous system is primarily the myelin sheath, which encases the axons of neurons. This fatty layer enhances the speed and efficiency of electrical signal transmission along the nerve fibers. Myelin is produced by glial cells, specifically oligodendrocytes in the central nervous system and Schwann cells in the peripheral nervous system. Insulation provided by myelin is crucial for proper neural communication and overall nervous system function.
What germ layer does the tissue of the peripheral nervous system develop from?
All nervous tissue arise from ectoderm. Whether central or peripheral. It is anatomical division. Functionally all nervous cells are connected to each other.
What wraps around larger axons?
Larger axons are typically wrapped with a fatty substance called myelin, which is produced by Schwann cells in the peripheral nervous system and oligodendrocytes in the central nervous system. Myelin serves as an insulating layer that helps to increase the speed and efficiency of nerve impulse conduction along the axon.
What tissue has stem cells to produce new epidermal cells?
The basal layer of the epidermis contains stem cells that continuously divide and differentiate to produce new epidermal cells. These stem cells are responsible for regenerating the skin's outer layer.
What is a sponges nervous system?
Sponges have no nervous systems, their middle jelly-like layers have large and varied populations of cells, and some types of cell in their outer layers may move into the middle layer and change their functions
How are nerve cells ensheathed in the cns?
The nerve cells are ensheathed in the cns by myelin which is a dielectric material. The myelin layer extends only upto the axon of a neuron. It is essential for the proper functioning of the nervous system.
What term refers to the process in cells differentiate into layers with each layer ultimately forming distinct parts of the fetus?
Gastrulation
Is a jellyfisha sponge?
a jellyfish is a cnidarian and closer related to coral and sea anemones however they are similar. A sponge lacks a nervous system, Cells in each layer are not bound together, has many cells in the middle "jelly" layer, and -likely their most distinguishing feature- the Cells in a sponge's outer layers can move inwards and change functions.
