Cord
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Cord (medicine)
Cord (pronounced: /kɔːrd/) is a term used in medicine to refer to a long, cylindrical, flexible structure, often with a central canal, that serves a specific function in the body. The term is derived from the Latin word corda, which means "string" or "rope".
Types of Cords
There are several types of cords in the human body, each serving a unique function. Some of the most notable include:
- Spinal cord: The spinal cord is a long, thin, tubular structure made up of nervous tissue, which extends from the medulla oblongata in the brainstem to the lumbar region of the vertebral column. It encloses the central canal of the spinal cord, which contains cerebrospinal fluid.
- Umbilical cord: The umbilical cord is a conduit between the developing embryo or fetus and the placenta. It usually contains two arteries and one vein, enclosed in a gelatinous substance.
- Vocal cord: The vocal cords are a pair of soft tissues that produce sound through vocal fold vibration caused by the flow of air from the lungs.
Related Terms
- Cord blood: Cord blood is blood that remains in the placenta and in the attached umbilical cord after childbirth. Cord blood is collected because it contains stem cells, which can be used to treat hematopoietic and genetic disorders.
- Cord compression: Cord compression involves pressure on the spinal cord that can disrupt its normal function.
- Cord lesion: A cord lesion is any abnormality in the spinal cord due to injury or disease.
See Also
External links
- Medical encyclopedia article on Cord
- Wikipedia's article - Cord
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