Sensory System (GENERAL SENSES: TOUCH, TEMPERATURE, PAIN)

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6 Terms

1
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Meissner's (Tactile) corpuscles

Receptor in the upper dermis that detects the onset of light touch; important for discriminative touch.

<p>Receptor in the upper dermis that detects the onset of light touch; important for discriminative touch.</p>
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Pacinian (lamellar) corpuscles

Receptor deep in the dermis that detects high-frequency vibrations.

<p>Receptor deep in the dermis that detects high-frequency vibrations.</p>
3
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Ruffini endings (bulbous corpuscles)

Receptors in the middle/deep dermis that detect sustained pressure and deeper stretching or deformation of the skin.

<p>Receptors in the middle/deep dermis that detect sustained pressure and deeper stretching or deformation of the skin.</p>
4
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Merkel discs

Receptors at the base of the epidermis that detect light, sustained pressure and help distinguish texture and detail.

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root hair plexus

Sensory nerve endings wrapped around the base of a hair follicle that detect hair movement from light contact.

<p>Sensory nerve endings wrapped around the base of a hair follicle that detect hair movement from light contact.</p>
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free nerve endings

Sensory nerve endings distributed throughout the skin that detect temperature, pain, and itch.

<p>Sensory nerve endings distributed throughout the skin that detect temperature, pain, and itch.</p>