Flashcards in Module Exam 6: Somatosensory System Deck (74)
Enumerate General senses
Light touch, Temperature, Pain, Pressure & Proprioception(vibration sense) "LTPPP"
Awareness and precise location of very delicate mechanical stimuli
Tactile sense includes
Two-point sense, Graphesthesia & Fine touch/Stereognosis "TGF"
Ability to recognize objects by touch alone
Ability to recognize numbers or letters drawn on the skin
Ability to distinguish stimulation by one or two points applied on the skin
Involves stimuli applied to subcutaneous structure firmly pressing on the skin with blunt object and by squeezing subcutaneous structures
Hot & Cold
Type of pain that is sharp, pricking and well localized
Type of pain that is dull, burning type and diffuse
Awareness of the position of parts of the body; tested by passively moving a limb or one of its parts to a certain position and having the subject move the opposite limb to the same position.
Awareness of active or passive movements of parts of the body; tested by passively flexing and extending individual fingers and toes , hand and foot, forearm and leg etc. with eyes closed, the subject should be able to recognize the direction, speed and range of the movement.
Receptor for touch, pressure and proprioception
Receptors for pain
Receptors for warm/cold
General sensation receptors for Touch
Meissner's corpuscle, Merkel's disc, Hair follicle ending & Golgi mazzoni "mmHg"
General sensation receptors for Pressure
General sensation receptors for Pain
Free nerve endings
General sensation receptors for Cold temp
Krause end bulb
General sensation receptors for Hot
General sensation receptors for Proprioception
Tendon & Muscle spindles
Area of the skin supplied by the somatosensory fibers from a single spinal nerve; useful in localizing the levels of lesion.
Back of the head
Tip of Shoulder