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Animal nerve cells are specialized cells called neurons. Figure 1C is a nerve cell with parts of its fiber.

Nerve Cell

Animal nerve cells are specialized cells called neurons. Figure 1C is a nerve cell with parts of its…

A simple nerve cell, or neuron. N is the nucleus of the cell, NC is the cytoplasm, D are dendrites which are fine protoplasmic branches that create synapses that connect to another nerve cell. The neuron is connected to muscle (MU) by a nerve fiber (NF). The fiber is covered by a sheath (SH) of fat to protect it. NE is the ending of the fiber that the muscle is connected to. LB is a lateral branch of the nerve fiber.

Nerve Cell

A simple nerve cell, or neuron. N is the nucleus of the cell, NC is the cytoplasm, D are dendrites which…

Nerve cell. Labels: a, ax, branches of the nerve; n, nucleus of the nerve.

Nerve Cell

Nerve cell. Labels: a, ax, branches of the nerve; n, nucleus of the nerve.

The nerve cells that compose the ganglia are generally unipolar, and seldom bipolar; sometimes two cells are said to exist in the same envelope, constituting the twin cells of Dogiel. The cells are large and have very large nucleoli. Shown are isolated nerve cells from the frog's heart. Labels: I, Usual form. II, Twin cell. C, capsule; N,nucleus; N', nucleolus; P, process.

Nerve Cells

The nerve cells that compose the ganglia are generally unipolar, and seldom bipolar; sometimes two cells…

Diagram to show the relationship of nerve cell (NC) to Muscle (M) through its nerve fiber.

The Relation of Nerve Cells to Muscle

Diagram to show the relationship of nerve cell (NC) to Muscle (M) through its nerve fiber.