Chapter 14
That other 2%
What is the PNS?
Special organs only in specific locations. Smell, taste, sight, hearing, sensory balance.
What are special senses?
A receptor potential that reaches threshold.
What is a generator potential?
Sensory from retina
What is Optic (II)?
Sensory from thoracic and abdominal organs.
Motor parasympathetic motor to thoracic and abdominal organs
What is Vagus(X)?
The ability to sense your body position.
What is proprioception?
Sensory receptors they fire when there is a change in stimulus.
What are phasic receptors?
Sensory neuron that is attached to a muscle tendon.
What is a Golgi Tendon Organ?
Motor control of superior oblique muscle
What is the Trochlear(IV)?
Sensory from ear(hearing and balance)
What is Auditory/Vestibulocochlear(VIII)?
Dendrite end of a sensory neuron.
What is a sensory receptor?
Area that can be monitored by a single receptor?
What is a receptive field?
Sensory neuron connected to a joint capsule letting you know what the joint is doing, what position joint is in.
What is a Joint Capsule Receptor?
Sensory from nose
What is Olfactory (I)?
Motor control of lateral rectus
What is Abducens(VI)?
Touch, pressure, temperature, pain, found throughout the body.
What are general senses?
Touch or pressure
What is a tactile receptor?
Gives sensory info about what muscle cells are doing
What are Muscle Spindles?
Sensory from face, gums, and front of tongue
Muscle controls chewing
What is Trigeminal(V)?
Motor controls sternocleidomastoid and trapezius muscles
What is Spinal Accessory/Asscessory(XI)?
Type of sensory receptor that seems to fire almost all the time.
What is a tonic receptors?
A local or graded potential in a sensory neuron.
What is a receptor potential?
Responds to stimulus strong enough to cause tissue damage.
What are nociceptors?
Motor controls of iris, lens, levator palp., and 3 rectus muscles
What is Occulomotor(III)?
Sensory from front of tongue and palate
Motor controls muscles of facial expressions
What is Facial(VII)?