Podcast
Questions and Answers
Which nerve endings are primarily responsible for sensing deep pressure and high-frequency vibration?
Which nerve endings are primarily responsible for sensing deep pressure and high-frequency vibration?
What type of general sense is detected by free nerve endings?
What type of general sense is detected by free nerve endings?
Where are Golgi tendon organs primarily located?
Where are Golgi tendon organs primarily located?
Which structure is associated with persistent touch and pressure?
Which structure is associated with persistent touch and pressure?
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What type of sensation do Tactile (Meissner) Corpuscles detect?
What type of sensation do Tactile (Meissner) Corpuscles detect?
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Study Notes
General Sense Organs Overview
- General sense organs include various types of nerve endings responsible for transmitting sensory information.
Free Nerve Endings
- Found in skin and mucosa (epithelial layers).
- Detect pain, crude touch, temperature, itch, and tickle sensations.
Encapsulated Nerve Endings
- Specialized structures that enhance sensitivity and specificity of sensation.
Tactile (Meissner) Corpuscles
- Located in the skin (papillae of dermis), especially in fingertips and lips.
- Responsible for sensing fine or light touch and low-frequency vibrations.
Ruffini (Bulbous) Corpuscles
- Situated in the dermal layer of skin and subcutaneous tissue of fingers.
- Detect persistent touch and pressure.
Lamellar (Pacini) Corpuscles
- Found in subcutaneous, submucous, and serous tissues, as well as around joints and in mammary glands.
- Sensitive to deep pressure and high-frequency vibration.
Bulboid Corpuscles (Krause End Bulbs)
- Located in the dermal layer, subcutaneous tissue, mucosa of lips and eyelids, and external genitals.
- Associated with the sensation of touch.
Golgi Tendon Organs
- Positioned near the junction of tendons and muscles.
- Responsible for proprioception, which involves the sense of muscle tension.
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Description
Explore the various types of general sense organs and their specific locations in the body. This quiz covers the functions of free nerve endings and encapsulated nerve endings, detailing how they contribute to our sense of touch, temperature, and pain. Test your knowledge on the anatomy and physiology of sensory receptors!
