General Anatomy · Multiple Systems · Hard

Sarcomere

Meaning: The basic contractile unit of a muscle fibre, made of overlapping actin and myosin filaments.

In practice: Each sarcomere shortens as actin filaments slide past myosin during contraction.

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Two questions on related general anatomy words.

Which word means: Glands above the kidneys that produce stress hormones.

Which word means: A thick-walled blood vessel that carries blood away from the heart under high pressure.

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