Neural Terminology Flashcards
(37 cards)
What does the CNS consist of?
brain and spinal cord
What are the major subdivisions of the brain?
forebrain, midbrain, hindbrain
What are the major subdivisions of the spinal cord?
cervical thoracic, lumbar, sacral
What does the PNS consist of?
somatic and automatic nervous system
What does the somatic nervous system responsible for?
conveys information between body and CNS
What is the automatic nervous system responsible for?
controls involuntary muscles
What are the subdivisions of the automatic nervous system?
parasympathetic and sympathetic
What are neurons?
messenger cells
What are dendrites?
main input component of neurons
What is the soma?
the genetic component of the cell
What is the axon?
the out put component of neurons
What are the dendritic spines?
sites for synaptic contact
What are the axon terminals?
sites for neurotransmitter release
What is the nucleus?
a group of related neurons in the CNS
What is the ganglion?
a group of neurons in the PNS
What is gray matter?
neurons and other cells
What is white matter?
bundles of myelinated axons
What is the cortex?
the neural tissue of the brain
What is laminae?
the horizontal layers of related cells in cortex of the brain
What are columns?
they are vertical columns of related cells in cortex of brain
What is anterior/rostral?
toward the front or toward the head
What is posterior/caudal?
toward the back or toward the tail
What is superior?
on top of
What is inferior?
on bottom of
