Feeling Of Sensations Flashcards
Light breeze
Network of nerve endings surround _
Root of hair or whisker
Light breeze
When hair moves or touches something, it triggers _ to send a signal down the nerve
The plexus
Deep layer of skin called _
Dermis
(Epidermis is too 3 layers)
Root plexus looks like _
Hand grasping root of hair
Temp change
Some nerves have no _
Special structures at their ends
(Free nerve endings)
Temp change
These free ends extend into surface layer of skin and are sensitive to hot, cold, _ and _
Pain
Itching
Free nerve endings in _ near skin surface
Epidermis
Brush of a feather
Disks are located at base of _
Epidermis
Brush of a feather
_ are nerve endings that are sensitive to very light touch
Merkel’s disks
Brush of a feather
Merkel’s disks help detect _ of objects (2)
Shapes
Edges
Touch of a feather
Merkel’s disks are very dense in areas such as _
Finger tips
Gentle touch
Corpuscles located in dermis, in bumps called
Papillae
Gentle touch
Deeper in the skin are endings called Meissner’s Corpuscles, sensitive to _ (2)
Light pressure
Vibration
Gentle touch
Meissner’s corpuscles detect _ and _
Shapes
Textures
Most Meissner’s corpuscles are found in hairless areas such as _ (2)
Finger tips
Palms
Meissner’s corpuscles look like top of Hebrew letter _
Ayin
