Define hypertrophy and use an example to explain how this term relates to skeletal muscle tissue. (3 marks)
Ans) Hypertrophy is an increase in the size of cells (or tissues) in response to various stimuli.
- A typical example is muscular hypertrophy in response to exercise.
- Exercise stimulates skeletal and cardiac muscle fibers to increase in diameter and to accumulate more structural contractile proteins.
- Muscle hypertrophy involves an increase in size of skeletal muscle through a growth in size of its component cells.
- Two factors contribute to hypertrophy: sarcoplasmic hypertrophy, which focuses more on increased muscle glycogen storage; and myofibrillar hypertrophy, which focuses more on increased myofibril size.
Define hypertrophy and use an example to explain how this term relates to skeletal muscle tissue....
< Question 18 of 35 > Use the Skeletal Muscle Tissue Interactive to observe normal and atypical conditions of skeletal muscle Classify each atypical condition of skeletal muscle by whether it directly affects the neuromuscular junction or the myofilament interactions. Neuromuscular junction Myofilament interactions Answer Bank removal of muscle cell ATP addition of myocyte Cat removal of myocyte Ca? electrical stimulation botulism poisoning curre poisoning 908
SECTION 1: Structure of a Skeletal Muscle A. Layers of connective tissue separate a muscle into compartments. The layer called endomy- sium surrounds each muscle cell. Muscle cells are then bundled into fascicles, which are sur- rounded by perimysium. The entire muscle is composed of many fascicles, and is surround- ed by epimysium. All layers merge together to form the tendon that attaches the muscle to a bone. An outermost layer of connective tissue called fascia binds adjacent muscles together...
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adipose tissue skeletal muscle regression weeks to months hours to days angiogenesis occlusion of coronary ecrease the amount o provide adequate perfusion The formation of new blood vessels in tissues that require them is called This process helps several through long-term anatomic changes that occur over in response to aerobic training; in This is seen in , this process occurs when an individual gains weight in the form of fat deposits. Another situation where the formation of new blood vessels...