(A) The $Edinger-Westphal$ nucleus is the accessory parasympathetic nucleus of the oculomotor nerve ($CN$ $III$).It is located in the midbrain and pro

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(A) The $Edinger-Westphal$ nucleus is the accessory parasympathetic nucleus of the oculomotor nerve ($CN$ $III$).It is located in the midbrain and provides preganglionic parasympathetic fibers that travel via the oculomotor nerve to the ciliary ganglion.These fibers are responsible for pupillary constriction and accommodation of the lens.Therefore,the correct option is $A$.

Class 11 Biology Neural Control and Coordination Central Neural System

Medium

Which of the following cranial nerves carries nerve fibers from the $Edinger-Westphal$ nucleus?

A
Oculomotor
B
Trochlear
C
Abducens
D
Vagus

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Neural Control and Coordination

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Match the spinal nerves in Column $1$ with their respective pairs in Column $2$ and select the correct option.
Column $1$ Column $2$
$(a)$ Cervical nerves $(i)$ $5$ pairs
$(b)$ Thoracic nerves $(ii)$ $1$ pair
$(c)$ Sacral nerves $(iii)$ $12$ pairs
$(d)$ Coccygeal nerves $(iv)$ $8$ pairs

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Column $1$	Column $2$
$(a)$ Cervical nerves	$(i)$ $5$ pairs
$(b)$ Thoracic nerves	$(ii)$ $1$ pair
$(c)$ Sacral nerves	$(iii)$ $12$ pairs
$(d)$ Coccygeal nerves	$(iv)$ $8$ pairs

Which of the following cranial nerves carries nerve fibers from the $Edinger-Westphal$ nucleus?

Similar Questions

How many separate layers of neurons are present in the cerebral cortex?

Which cranial nerves originate from the medulla oblongata?

Match the spinal nerves in Column $1$ with their respective pairs in Column $2$ and select the correct option.Column $1$Column $2$$(a)$ Cervical nerves$(i)$ $5$ pairs$(b)$ Thoracic nerves$(ii)$ $1$ pair$(c)$ Sacral nerves$(iii)$ $12$ pairs$(d)$ Coccygeal nerves$(iv)$ $8$ pairs

Which of the following communicates with the central canal of the spinal cord?

$A$ touch on the right hand stimulates neurons in which part of the brain?

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Match the spinal nerves in Column $1$ with their respective pairs in Column $2$ and select the correct option.
Column $1$ Column $2$
$(a)$ Cervical nerves $(i)$ $5$ pairs
$(b)$ Thoracic nerves $(ii)$ $1$ pair
$(c)$ Sacral nerves $(iii)$ $12$ pairs
$(d)$ Coccygeal nerves $(iv)$ $8$ pairs