Question
While sitting on the couch reading your anatomy and physiology book, you realize that you left a random open because you feel a light across your arm. What type of sensory receptor in the skin is responsible for detecting this sensation? When you sit down on a bench to wait for a bus to arrive, you notice that there is a rock on the beach that you didn't see before you sat down on it. What type of sensory receptor in the skin is responsible for detecting this sensation?___ Susan accidentally tripped on the sidewalk and scraped her knee. The scrape was superficial and did not blood. What is the layer of her could have been damaged without causing for to blood?
Explanation / Answer
1.merkels disc
2. pacinian corpuscle
3. Epidermis
Note- mercel disc detect contionus touch found on dermis
Pacinian corpuscle detect deep pressure found in dermis and hypodermis
Epidermis the the superifical most layer of skin which doesnot contain blood vessel, and is only layer of cells.