Also called ES cells, embryonic stem cells are cells derived from the inner cell mass of developing blastocysts. An ES cell is self-renewing (can replicate itself), pluripotent (can form all cell types found in the body) and theoretically is immortal. type of stem cell that resides in the brain, which can make new nerve cells (called neurons) and other cells that support nerve cells (called glia).
17. The weakness or slight paralysis of a muscle is known as __________. myoparesis. 18. Symptoms of __________ syndrome occur when the tendons that pass through the carpal tunnel are chronically overused and become inflamed and swollen.
Not to be confused with muscle fatigue. Muscle weakness or myasthenia (my-from Greek Î¼ÏÎ¿ meaning muscle + -asthenia á¼ÏÎ¸Î­Î½ÎµÎ¹Î± meaning  weakness ) is a lack of muscle strength. The causes are many and can be divided into conditions that have either true or perceived muscle weakness. True muscle weakness is a primary symptom of a variety of skeletal muscle diseases, including muscular dystrophy and inflammatory myopathy. It occurs in neuromuscular junction disorders, such as myasthenia gravis.