PHARMACEUTICALS Flashcards
Axon
Conducts messages away from the cell body
Mylien sheaf
Surrounds and protects the axon and makes sure the electrical impulse only travels in one direction
CNS
Consists of the brain an the spinal cord
PNS
Consists of all the nerves situated outside of the brain and spinal cord
PNS (parts)
Somatic nervous system
Autonomic nervous system
Somatic nervous system
All the nerves controlling muscular system and external sensory receptors
Autonomic nervous system
Consists of the nerves that control internal organs
Sensory neurones
Carry messages from receptors to the CNS
Motor neurones
Transmit messages from the CNS to the effectors
Interneurones
Are found in the CNS and connect one type of Neurone to another
Sense organs
Allow for information to make its way to the nervous system and allow to the input of pain pressure and temperature
Receptors
Structures that recognise a stimulus
Effectors
Organs that carry out the body’s actions in response to motor neurone signals
Dendrites
Receive information from another nerve cell and transmit the message to the body
Plasma
Is the liquid portion of the blood it distributes substances it contains as it circulates throughout the body