Nervous System: Senses

Which are type of papillae?

Filliform, Fungiform, Foliate, and Vallate

When rhodopsin is split by light stimulation, the calcium and sodium channels are also closed and this blocks the release of the neurotransmitter called

Glutamate

Place the structures of the vascular tunic in order from anterior to posterior

Iris Culinary Body Choroid

lack of photoreceptors in this structure creates the "blind spot"?

Optic disc

the ganglion axons converge to form the ____

Optic nerve

Place the structures of CNII in order from anterior to posterior.

Optic nerve, Optic chiasm, and Optic tract

What type of receptors make you aware of your body positioning?

Proprioceptors

Which are part of the fibrous tunic?

Sclera and Cornea

Optic tract extend to which structures after they leave the optic chiasm?

Superior colliculi Lateral geniculate nucleus of the thalamus

What is the most numerous type of receptors?

Tactile receptors

Which terms indicate a receptor type that is classified by its modality of stimulus?

Thermoreceptors Chemoreceptors Mechanoreceptors

Unlike other sensory information, olfactory pathways do not project to the thalamus.

True

The tympanic cavity is filled with ____.

air

When light stimulates the photoreceptors, the ____ cells become depolarized and release the neurotransmitter ____.

bipolar; glutamate

What is the largest structure of the vascular tunic?

choroid

Where are mechanoreceptors found?

ears and skin

Light causes the photoreceptor plasma membrane to ____.

hyperpolarized

Specific types of receptors called ____ detect stimuli in the internal organs.

interoceptors

The majority of the optic tract axons extend to the thalamus, specifically to the ____.

lateral geniculate nucleus

Tacticle receptors are a type of ____.

mechanoreceptors

The stimulating agent is also called the ___ of stimulus.

modality

The cis-retinal, in the process of regeneration, is transported back to the ___ where it associates with the ops in and reforms the ____.

rods; rhodopsin

Receptors in the special senses are

simple in structure

Receptors for general senses are distributed through the ___ and viscera.

skin

Neurons in the olfactory bulb travel through the olfactory ____ to the brain.

tract