The sarcoplasmic reticulum (SR) is a specialised organelle in skeletal muscle fibres that plays a pivotal role in regulating calcium dynamics crucial for muscle contraction and relaxation. Acting as ...
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Lumbar spine anatomy and function
Medically reviewed by Jennifer Steinhoff, MD Key Takeaways The lumbar spine includes five vertebrae that help with mobility ...
- Muscle cells, also known as myocytes, are specialized cells designed for contraction and force production. Skeletal Muscle Cells: These cells are long, cylindrical, and have a striated (or striped) ...
Neck muscles have an essential role in supporting and stabilizing your neck. More than 20 muscles are working to keep your head supported and moving. Your neck muscles have a range of responsibilities ...
Muscle function loss occurs when your muscles don’t work or move normally. Complete muscle function loss, or paralysis, involves being unable to contract your muscles normally. If your muscles lose ...
The soft palate is the muscular part at the back of the roof of the mouth. It sits behind the hard palate, which is the bony part. The palates play important roles in swallowing, breathing, and speech ...
The obturator nerve is a large, multibranched nerve that travels through your pelvis to your inner thigh. This nerve helps you feel sensations like temperature and pain in your lower limbs. It also ...
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