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Which germ layer do the cells of the nervous system differentiate?
Wiki User
∙ 8y ago
its the ectoderm
Wiki User
∙ 14y ago
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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
What term refers to the process in cells differentiate into layers with each layer ultimately forming distinct parts of the fetus?
Gastrulation
Which term refers to the process in which cells differentiate into layers with each layer ultimately forming distinct parts of the fetus?
gastrulation
What term refers to the process in which cells differentiate into layers with each layer ultimately forming distinct parts of the fetus?
Gastrulation
What does fatty sheath do?
fatty sheath is a layer of proteins surrounding the axons in the perisheral nervous system
The layer of the embryo gives rise to the tissues of the nervous system by?
by the ectoderm layer
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.
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 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
What is the light-sensitive layer of cells at the back of the eye?
The retina (6 words) is this for a cross word by any chance?
What term refers to the process in cells differentiate into layers with each layer ultimately forming distinct parts of the fetus?
Gastrulation
Which term refers to the process in which cells differentiate into layers with each layer ultimately forming distinct parts of the fetus?
gastrulation
What term refers to the process in which 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.
What does fatty sheath do?
fatty sheath is a layer of proteins surrounding the axons in the perisheral nervous system
The respiratory system includes a layer of cells in the air passages that clean the air before it gets to the lungs This layer of cells is best classified as?
a tissue
Which of the layers of an artery wall is regulated by the sympathetic nervous system and many hormones?
the middle layer, tunica media
