Difference between Tracheoles and Trachea
No. |
Tracheoles |
Trachea |
1. | A tube or a fine tube of respiratory system of the trachea especially of an insects is called as Tracheoles. | A type of airway through which air enters and exits the lungs is called as Trachea. |
2. | Tracheoles are composed of single tracheolar cells. | Trachea is made up of 20 rings of tough cartilage and parts of ring are composed of muscle tissue and connective tissue. |
3. | Tracheoles mainly found in insects or spiders. | Trachea is mainly found in birds and mammals. |
4. | Tracheoles are approximately 0.1 µm tapers. | Length of trachea ranges between 10 to 12 cm. |
5. | Outer epicuticular layer is the layer from which cuticle of tracheole is lined. | Generally ciliated pseudostratified columnar epithelium is the epithelium from which trachea is lined. |
6. | One branching tube of trachea in insect is tracheole. | A thin walled tube which is the connection between larynx to bronchi is Trachea. |
7. | Tracheole is also called as a branch of trachea. | Trachea is also called as wind pipe. |