General Anatomy · Cardiovascular System · Easy

Capillary

Meaning: The smallest type of blood vessel, with walls one cell thick, where exchange between blood and tissues occurs.

In practice: Pressing on the fingernail and timing colour return tests capillary refill in an unwell child.

Quick check

Two questions on related general anatomy words.

Which word means: An immature egg cell in the ovary that can develop and be released during ovulation.

Which word means: When an organ pushes through a weak spot in muscle or tissue.

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