5 Questions
Where are interoceptors primarily located?
In internal organs
What is the function of free nerve endings?
Transmit information about touch, pressure, temperature, pain, and other stimuli
Which specialized receptor cells are dedicated to specific sensory functions?
Rods and cones in the retina
Where are proprioceptors situated?
In muscles, tendons, joints, and the inner ear
What type of nerve endings are surrounded by connective tissue capsules that enhance sensitivity?
Encapsulated nerve endings
Study Notes
Interoceptors
- Primarily located in the walls of visceral organs, such as the digestive tract, and in the blood vessels
Free Nerve Endings
- Function: detect pain, temperature, and crude touch
- Found in the dermis, and are responsible for detecting pain, temperature, and crude touch
Specialized Receptors
- Dedicated to specific sensory functions, such as:
- Meissner's corpuscles: detect light touch
- Pacinian corpuscles: detect pressure and vibration
- Merkel's discs: detect sustained touch
Proprioceptors
- Situated in muscles, tendons, and joints
- Function: detect changes in muscle length, tension, and movement
Nerve Endings
- Type: Pacinian corpuscles
- Characterized by: surrounded by connective tissue capsules that enhance sensitivity
- Function: detect pressure and vibration
Test your knowledge of nerve endings with this quiz on receptor nerve endings. Learn about the classification of receptor nerve endings, including exteroceptors, interoceptors, and proprioceptors. Enhance your understanding of how these nerve endings respond to stimuli from the external and internal environment.
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