Capillary Vein
Definition: A capillary vein is a very small blood vessel that connects capillaries (the tiny blood vessels where the exchange of gases, nutrients, and waste occurs) to larger veins in the body. It helps carry blood away from the capillaries and toward the heart.
Usage Instructions: - The term "capillary vein" is typically used in medical or biological contexts. It’s often discussed when learning about the circulatory system, which is how blood moves through the body. - You might encounter this term in science classes, medical settings, or when reading about health.
Example Sentence: "After the oxygen is delivered to the body’s tissues through the capillaries, it returns to the heart via the capillary veins."
Advanced Usage: - In more advanced studies, you may learn about how capillary veins play a role in various physiological processes, such as blood circulation and the regulation of blood pressure. - You might also study the differences between capillary veins and other types of blood vessels, like arteries and larger veins.
Word Variants: - Capillary (adjective): Relating to or resembling a capillary. For example, "capillary action" refers to the ability of a liquid to flow in narrow spaces without assistance. - Vein (noun): A type of blood vessel that carries blood toward the heart.
Different Meanings: - The word "capillary" can also refer to small, thin tubes that allow liquid to move through them, not just in biology but in physics or engineering contexts.
Synonyms: - Microvein (though this is less commonly used) - Venule (a small vein that leads from capillaries to larger veins)
Idioms and Phrasal Verbs: - There are no idioms or phrasal verbs specifically associated with "capillary vein," but you might hear discussions about "pumping blood" or "circulating blood" in relation to the entire circulatory system.