Cords

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Cords

Cords (/kɔːrdz/), in a medical context, often refers to structures in the body that are long, slender, and cord-like. The term can be used to describe various anatomical structures, such as the vocal cords or the umbilical cord.

Etymology

The term "cord" originates from the Latin word chorda, which was borrowed from the Greek word khorde, meaning "gut, string of a musical instrument". In the medical field, it has been used to describe various structures that resemble a cord in shape.

Vocal Cords

The Vocal Cords (also known as vocal folds) are twin infoldings of mucous membrane stretched horizontally across the larynx. They vibrate, modulating the flow of air being expelled from the lungs during phonation.

Umbilical Cord

The Umbilical Cord is a conduit between the developing embryo or fetus and the placenta. It usually contains three vessels: two arteries coiled around one vein.

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.

Seminal Cords

The Seminal Cords are structures within the testes where spermatozoa are produced.

Related Terms

  • Chordae Tendineae: are cord-like tendons that connect the papillary muscles to the tricuspid valve and the mitral valve in the heart.
  • Cord Blood: is blood that remains in the placenta and in the attached umbilical cord after childbirth.
  • Tendon: is a flexible but inelastic cord of strong fibrous collagen tissue attaching a muscle to a bone.

External links

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