Examlex
Which of the following is referred to as "The Pathfinder"?
Sarcoplasmic Reticulum
A specialized type of smooth endoplasmic reticulum found in muscle fibers, critical in regulating calcium ions and thus muscle contraction.
T-tubules
Tubular extensions of the cell membrane in muscle cells, transmitting electrical signals from the surface to the interior of the muscle fiber.
Femoris
Refers to muscles located in the thigh, typically pertaining to parts of the quadriceps, such as the quadratus femoris or biceps femoris.
Femur
The longest and strongest bone in the body, extending from the hip to the knee.
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