Sensory receptors Flashcards
sensory receptors - types
- free nerve ending
- Meissner corpuscles
- Pacinian corpuscles
- Merkel discs
- Ruffini corpuscles
sensory receptors - free nerve endings structure
C - slow, unmyelinated fibers
Αδ - fast, myelinated fibers
sensory receptors - free nerve endings location
All skin
epidemis
some viscera
sensory receptors - free nerve endings senses
pain and temperature
sensory receptors - Meissner corpuscles - description
large, myelinated
sensory receptors - Meissner corpuscles - adapt
quickly
sensory receptors - Meissner corpuscles - location
Glabrous (hairless) skin
sensory receptors - Meissner corpuscles - senses
Dynamic, fine/light touch
position sense
sensory receptors - Paciciani corpuscles - structure
Large, myelinated fibers
sensory receptors - Paciciani corpuscles - adapt
quickly
sensory receptors - Paciciani corpuscles - location
Deep skin layers
ligaments
joints
sensory receptors - Paciciani corpuscles - senses
vibration
pressure
sensory receptors - Merkel discs - structure
Large, myelinated fibres
sensory receptors - Merkel discs - adapt
slowly
sensory receptors - Merkel discs - location
Finger tips
superficial skin
sensory receptors - Merkel discs - senses
- Pressure
- deep static touch (shapes, edges)
- position sense
sensory receptors - Ruffini corpuscles - structure
dendritic endings with capsule
sensory receptors - Ruffini corpuscles - adapt
slowly
sensory receptors - Ruffini corpuscles - location
finger tips, joints
sensory receptors - Ruffini corpuscles - senses
- Pressure
- joint angle change
- slippage of objects along surface of skin
sensory receptors of Glabrous skin
Meissner corpuscles
sensory receptors on joints
- Ruffini corpuscles
2. Pacinian corpuscles
sensory receptors for temperature
free nerve endings
sensory receptors with slow, unmyelinated fibers
C - Free nerve endings