Nervous System Flashcards
What cells make up nervous tissue?
Neurons
What do Afferent nerve fibres do?
receive information from the PNS and take it to the CNS
What do Efferent nerve fibres do?
sned information from the CNS to the PNS
What does CNS stand for?
central nervous system
What does PNS stand for?
Peripheral nervous system
What makes up the central nervous system?
Brain and spinal chord
what makes up he peripheral nervous system?
cranial nerves and spinal nerves
What is the caudal equine?
where the spinal chord terminates at the last few vertebra
What is the name of the place that the spinal chord terminates in the last few vertebra?
Caudal equine
What do somatic nervers do?
serve voluntary parts of the body
What do visceral nerves do?
serve involuntary parts of the body
Which nerves serve voluntary parts of the body?
Somatic nerves
Which nerves serve involuntary parts of the body?
visceral nerves
What is grey matter?
the term used to describe the appearance of cell bodies
What is white matter?
the term used to describe the appearance of axions or fibres
What is a reflex action?
a response to the stimulus that doesn’t have to be learned
What is the name of cells produced in the myelin sheath?
Schwann Cells
What are Schwann Cells?
Cells that are produced in the myelin sheath
What are short projections that receive impulses called?
Dendrites
What are Dendrites?
Short projections that receive impulses
What are the gaps in the myelin sheath called?
Nodes of ranvier
What are the nodes of ranvier?
Gaps in the myelin sheath
What is the function of the nodes of ranvier?
Allow the passage of oxygen and nutrients
What is the name of the membrane surrounding the nerve cell?
Neurioemma