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Why a peripheral nerve such as the sciatic nerve can contain nerve fiber from several spinal nerves?
The reason why a peripheral nerve such as the sciatic nerve can contain nerve fiber from several spinal nerves is owing to nerve plexuses. These are networks of nerves all tangled together and found mostly in the limbs.
Where does the spinal nerve take nerve impulses?
the spinal nerve sends nerve impulses away from the CNS
What nerve runs from tips of fingers to shoulder?
The brachial plexus is a network of nerves that runs from the spinal cord to the shoulder, arm, and hand. It is responsible for transmitting signals between the spinal cord and the upper limbs, including the fingers.
Which structure starts at the brain and goes down the back?
The spinal cord is a structure that starts at the brain and extends down the back within the spinal column. It serves as a pathway for nerve signals traveling between the brain and the rest of the body, controlling movement, sensation, and other functions.
The association nerve cells are special nerve cells in the brain and?
Spinal Cord
What organs are used in nerve system?
Brain, Nerves, Spinal Chord
What does the vertebrates protect?
it protects a hollow nerve chord
What are the side effects of spinal nerve damage?
Damage to the spinal nerve roots can lead to pain, numbness, weakness, and paresthesia (abnormal sensations in the absence of stimuli) in the limbs or trunk.
Does birds have spinal cord?
Yes, they have a dorsal (at the back) nerve chord as they are vertebrates ( they have an internal skeleton).
Why a peripheral nerve such as the sciatic nerve can contain nerve fiber from several spinal nerves?
The reason why a peripheral nerve such as the sciatic nerve can contain nerve fiber from several spinal nerves is owing to nerve plexuses. These are networks of nerves all tangled together and found mostly in the limbs.
What nerve carries impulses through the spinal cord?
The spinal cord and the abdomen, limbs, and chest. Spinal nerves carry impulses between the spinal cord and the abdomen, limbs, and chest. Cranial nerves carry impulses between the brain and the neck and head.
What Nerve to the brain triggers pain?
Afferent nerves carry impulses to the CNS (central nervous system: brain/spinal chord).
What contains the cranial nerve and spinal nerve?
Spinal Accessory Nerve
What are some parts of the frog's nervous system?
Olfactory nerve, Optic nerve, Nasal sack, Trigeminal nerve, Gasserian ganglion, Facial nerve, Auditory nerve, Tympanic membrane, Glossopharyngeal nerve, pneumogastric nerve, First spinal nerve, Branchial enlargement, Branchial nerve, Third spinal nerve, fourth spinal nerve, fifth spinal nerve, sixth spinal nerve, seventh spinal nerve, eighth spinal nerve, ninth spinal nerve, tenth spinal nerve, Femoral nerve, Sciatic nerve, Sympathetic nerve trunk, Lumbar enlargement, Sympathetic ganglia, and Filum terminale.
Where does the spinal nerve take nerve impulses?
the spinal nerve sends nerve impulses away from the CNS
What is lumbar enlargement?
The lumbar enlargement is a region of the spinal cord that exhibits a widening in the lower back area. It serves as the main site for the spinal nerves that innervate the lower limbs. This enlargement is responsible for the increased nerve activity associated with controlling and coordinating movements of the legs and pelvis.
Why are nerve cells long?
Nerve cells have to be long enough to extend from where they are located in the body, the hands and feet for example, to the spinal chord or brain. Some nerve cells in a giraffe may be ten feet long. Others may be very short.
