Trachea
Encyclopedia
Trachea may refer to:
- Vertebrate tracheaVertebrate tracheaIn tetrapod anatomy the trachea, or windpipe, is a tube that connects the pharynx or larynx to the lungs, allowing the passage of air. It is lined with pseudostratified ciliated columnar epithelium cells with goblet cells that produce mucus...
, or windpipe, in terrestrial vertebrates, such as birds and mammals - Invertebrate tracheaInvertebrate tracheaThe invertebrate trachea refers to the open respiratory system composed of spiracles, tracheae, and tracheoles that terrestrial arthropods have to transport metabolic gases to and from tissues....
, in terrestrial invertebrates, such as insects and crustaceans - Vessel elementVessel elementA vessel element is one of the cell types found in xylem, the water conducting tissue of plants. Vessel elements are typically found in the angiosperms but absent from most gymnosperms such as the conifers....
s in plants