Sack

Sack is a term with various meanings in the English language, often used to refer to a type of bag made from a variety of materials, including cloth, paper, and plastic. In a medical context, the term "sack" can refer to a biological structure that has a similar shape or function to a bag, such as the amniotic sac or the pericardial sac.

Etymology

The word "sack" is derived from the Old English sacc, which is itself derived from the Latin saccus, meaning "bag" or "sack". The term has been in use in the English language since at least the 12th century.

Medical Uses

In medicine, the term "sack" is often used to refer to a biological structure that has a similar shape or function to a bag. For example, the amniotic sac is a bag-like structure that surrounds and protects the embryo or fetus in the wombs of mammals, including humans. The pericardial sac, also known as the pericardium, is a double-walled sac that contains the heart and the roots of the great vessels.

See Also

• Bag
• Amniotic sac
• Pericardial sac

Sack Resources
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