Podcast
Questions and Answers
What type of sensation is detected by RUFFINI's CORPUSCLE?
What type of sensation is detected by RUFFINI's CORPUSCLE?
Which type of receptor is responsible for detecting light, sustained touch and texture?
Which type of receptor is responsible for detecting light, sustained touch and texture?
What is the speed of adaptation of PACINIAN CORPUSCLE?
What is the speed of adaptation of PACINIAN CORPUSCLE?
Where are MEISSNER's CORPUSCLE found?
Where are MEISSNER's CORPUSCLE found?
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What type of sensation is NOT detected by FREE NERVE ENDINGS?
What type of sensation is NOT detected by FREE NERVE ENDINGS?
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Study Notes
Types of Sensory Receptors
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Pacinian Corpuscle
- Located in skin and fascial tissue
- Sensitive to rapid touch and vibration
- Adapts incredibly fast, at a rate of 1/100th of a second
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Ruffini’s Corpuscle
- Consists of multibranched encapsulated endings
- Primarily responsible for sensing prolonged touch and deep pressure
- Located in joints and adapted slowly
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Merkel’s Disc
- Found in expanded tip tactile receptors on fingertips and hairy skin
- Forms structures known as touch domes
- Detects light, sustained touch and texture
- Adaptation speed is slower compared to other receptors
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Meissner’s Corpuscle
- Located in non-hairy skin, specifically fingertips and lips
- Sensitive to gentle movements across the skin surface
- Responds to low frequency vibrations, adapting in a fraction of a second
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Free Nerve Endings
- Present in skin and cornea of the eye
- Sensitive to touch, pressure, and pain
- Adaptation speed is long, allowing for sustained responses
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Description
This quiz covers the different types of sensory receptors, their characteristics, and functions in the human body. Learn about Pacinian corpuscles, Ruffini's corpuscles, Merkel's discs, and Meissner's corpuscles.
