Neuron(s)
A tissue wrapped around the axon conserve the amount of ions lost; makes electrical impulse FASTER and take less energy.
Myelin Sheaths
Transparent outer layer of the eye. Light rays enter this structure first.
One of the ossicles, also called the Stirrup.
Stapes
This reflex provides protection for the eye; specifically the cornea.
Blink Reflex
The structure that connects the spinal cord to the brain.
Brainstem
The structure where an action potential is received.
Dendrites
The inner most layer of the eye; contains the PHOTORECEPTORS
Retina
Tympanic Membrane
This neuron sends an electrical impulse to the CNS after an action potential is created at the sensory receptor.
Afferent Neuron
This part of the brain controls high level thinking, behavior, and emotions.
Frontal Lobe
A chemical called neurotransmitters are released from this location after receiving an electrical impulse.
Axon Terminal
This structure contains the organ of corti and specialized hair cells to detect frequencies of sound
Cochlea
The general term for the two subdivisions of the PNS (looking for two terms in your response).
Autonomic Nervous System and Somatic Nervous System.
This part of the brains maintains balance and posture, helps coordinate muscular control
Cerebellum
Located in the spinal cord; this neuron specializes in synapsing with a sensory neuron and a motor neuron to make a response QUICKER than being sent up to the brain.
Interneuron
Part of the eye that contains pigment; contains MUSCLES that open or constrict the pupil.
Iris
General term for receptors that are used for taste and smell.
Chemoreceptors
General term of the PNS subdivision that control both the sympathetic and parasympathetic nervous system.
Autonomic Nervous System
Medulla Oblongata
Electrical impulse jumps to these GAPS in the myelin sheaths where the axon is exposed; allows for FASTER regeneration of an action potential. High concentration of voltage-gated sodium ion channels.
Nodes of Ranvier
This photoreceptor is MORE abundant throughout the retina than the other.
Rods
SCIENTIFIC NAME for the outer ear; allows sound waves to be directed towards middle region of the ear; can be pierced for earrings.
Pinna (Auricle)
The general term of the muscle that contracts after receiving an impulse from the efferent neuron.
Effector
Diencephalon