Ex 15&16
comparatively simple automatic
response to a stimulus
whats a reflex?
voluntary reflex
What is a somatic reflex
monitor blood pH
what's a chemoreceptor?
More superficial
Detects light touch
What are Meissner’s Corpuscles
The smaller and more dense the fields, the
more sensitive
What is a receptor field?
Maintain our balance and posture
Protect us from danger or injury
Carry out routine activities like chewing or
walking
What are most neural reflexes designed to do?
involuntary
what is an autonomic reflex?
distension of visceral organs
whats a visceral stretch receptor?
More deep
Detects forceful pressure
Vibrations
What is a Pacinian Corpuscle
Desensitization to constant stimuli
What is adaptation?
Receptor
Sensory relay
Integration
Motor command relay
Effector
What is the reflex arc?
are learned through experience
what is an acquired reflex?
postural information
whats a prioproceptor?
Ensure muscles are not
overstretched
Monitor muscle position
What is a Muscle Spindle
faster and are integrated in the spinal cord
What is a monosynaptic reflex
monitor external conditions
what is an extroreceptor?
Dendrites terminate in epidermis/dermis
junction of skin and mucosal epithelium
Detect pain (extreme temperature)
Free (naked) Nerve Endings
innervate
contractile region of extrafusal
fibers
what is an a-neuron? (alpha neuron)
contain at least one interneuron
what is a polysynaptic reflex?
monitor internal conditions
whats an introreceptor?
Located in the stratum germinitivum (basale)
Detect light touch/ sustained pressure
What are Merkel Cells
innervate
contractile region of intrafusal
fiber
what is a y-neuron (gamma neuron)