Quiz #12: Special Senses

Sense

Ability to perceive stimuli received from inside or outside the body

What are the senses?

• Sight

• Hearing

• Taste

• Smell

• Touch

• Pain

• Proprioception

• Balance

• Temperature

• Interoception

What receptors are found in skin?

Dendritic endings, Meissner’s corpuscle, Pacinian corpuscle

What do dendritic endings sense?

Pain & Temperature

What do meissner’s corpuscles sense?

Light touch

What do pacinian corpuscles sense?

Strong pressure

What structures are proprioceptors?

Muscle spindles & golgi tendon organs

Punctuate distribution

The uneven clustering of cutaneous receptors which provides sensitivity to body areas.

Adaptation

Becoming unaware of a stimulus after a prolonged exposure to that stimulus

*Pain receptors & proprioceptors do not adapt

Reffered Pain

Pain perceived in one part of the body when another area is being stimulated

What are the principles of the general senses?

Punctate distribution, adaptation, referred pain

Sclera

The ‘whites’ of the eyes

Cornea

The transparent part of the eye that covers the iris and the pupil and allows light to enter the inside.

What structures make up the fibrous tunic of the eye?

The sclera & cornea