- Anatomy, Zoology. the tube in humans and other air-breathing vertebrates extending from the larynx to the bronchi, serving as the principal passage for conveying air to and from the lungs; the windpipe.
- (in insects and other arthropods) one of the air-conveying tubes of the respiratory system.
- Botany. vessel(def 5).
Origin of trachea
Examples from the Web for tracheae
Plexus: a knot: applied to a knot-like mass of nerves, or tracheae.Explanation of Terms Used in Entomology
John. B. Smith
In Porcellio, air-tubes (tracheae) may be present (see below).The British Woodlice
Wilfred Mark Webb
This is the cord of tracheae communicating between one breathing-hole and another.Bramble-bees and Others
J. Henri Fabre
Tracheae opening by a pair of stigmata situated above and behind the base of the 4th or 5th or 6th pair of appendages.
Tracheae are abundant just in proportion as blood-vessels become suppressed.
Word Origin and History for tracheae
c.1400, from Medieval Latin trachea (mid-13c.), as in trachea arteria, from Late Latin trachia (c.400), from Greek trakheia, in trakheia arteria "windpipe," literally "rough artery" (so called from the rings of cartilage that form the trachea), from fem. of trakhys "rough." See artery for connection with windpipe in Greek science.
- The airway that extends from the larynx into the thorax where it divides into the right and left bronchi. It is composed of thin incomplete rings of hyaline cartilage connected by a membrane called the annular ligament.windpipe
- The tube in vertebrate animals that leads from the larynx to the bronchial tubes and carries air to the lungs. In mammals the trachea is strengthened by rings of cartilage. Also called windpipe
- Any of the tiny tubes originating from the spiracles of many terrestrial arthropods and forming a branching network that brings air directly to body cells.