bloodstream
Học thuậtThân thiện
Definition
Noun: The bloodstream is the blood flowing through the circulatory system of a living organism. It refers to the blood as it moves continuously through the heart, arteries, capillaries, and veins, transporting oxygen, nutrients, hormones, and waste products.
Usage
The term is used to describe the location or medium within the body where substances are carried or processes occur. * The medicine is injected so it can enter the bloodstream quickly. * Oxygen from the lungs is absorbed into the bloodstream. * The infection spread through his bloodstream.
Examples
- Sugar levels in the bloodstream must be carefully regulated.
- The virus was detected in the patient's bloodstream.
- These nutrients are carried by the bloodstream to all parts of the body.
Advanced Usage
- Enter/join the bloodstream: Describes the point when a substance (like a drug, pathogen, or nutrient) begins circulating in the blood.
- Once the toxin enters the bloodstream, it can affect the nervous system.
- In the bloodstream: Indicates the presence or location of something within the circulating blood.
- The level of alcohol in the bloodstream was measured.
Variants and Related Words
- Blood (noun): The red liquid that flows through the bodies of humans and animals. "Bloodstream" specifies this liquid in its dynamic, circulating state.
- Circulation (noun): The movement of blood around the body. While related, "circulation" refers to the process or system of movement, whereas "bloodstream" refers to the flowing blood itself.
Synonyms
- Circulating blood
- Blood flow (though this more directly describes the movement itself)
Notes on Meaning
The word bloodstream is almost exclusively used in biological, medical, and physiological contexts. It emphasizes the function of blood as a transport system within the living body.
Noun
- the blood flowing through the circulatory system