SPHINCTER CONTROL
the ability to open and close these muscles that are on openings in our bodies. It is important for physical…
SPIDER PHOBIA
the persistent and often irrational fear of spiders. It is a specific phobia called arachnophobia.
SPIKE-AND-WAVE DISCHARGES
a brain wave pattern on an EEC typical of absence seizures. There is a sharp spike followed by a low…
SPINA BIFIDA
a developmental defect where the vertebral canal does not close properly around the spinal cord. This neural defect consequently in…
SPINAL CORD INJURY
This refers to any damage to the spinal cord caused by sudden or progressive external force. Read also incomplete spinal…
SPINAL MUSCULAR ATROPHY (SMA)
a hereditary motor neuron disease, characterized by wasting, atrophy, and of skeletal muscles associated with degeneration of nerve cells in…
SPINAL NERVE
any one of the 31 pairs of nerves that originate in the grey matter of the spinal cord and emerge…
SPINAL SHOCK
temporary loss of reflex and control below an injury site. The spinal cord does recover.
SPINDLE CELL
These are small neurons that are spindle shaped and wider in the middle with narrow tapering ends.
SPINOTHALAMIC TRACTS
The pathways for somatosensory impulses from the spinal cord to the thalamus. There is an anterior and a lateral. The…
SPIRIT PHOTOGRAPHY
This was an attempt to catch the spirits of the dead by using photography. Many early examples were fraudulent and…
SPIRITUAL FACTOR
Any religious, moral or mystical belief that can influence behaviour emotions and thoughts.
SPIRITUALITY
1. A concern for and sensitivity to the spirit and soul. 2. A concern for religion and God. 3. The…