A bronchus, also known as a main or primary bronchus, is an airway in the respiratory tract that conducts air into the lungs. source
A bronchus, also known as a main or primary bronchus, is an airway in the respiratory tract that conducts air into the lungs.
There is a right bronchus and a left bronchus and these bronchi branch into smaller . source
There is a right bronchus and a left bronchus and these bronchi branch into smaller .
No gas exchange takes place in the bronchi. source
No gas exchange takes place in the bronchi.
The trachea (windpipe) divides at the carina into two main or primary bronchi, the left bronchus and the right bronchus. source
The trachea (windpipe) divides at the carina into two main or primary bronchi, the left bronchus and the right bronchus.
The right main bronchus is wider, shorter, and more vertical than the left main bronchus. source
The right main bronchus is wider, shorter, and more vertical than the left main bronchus.
The right main bronchus enters the right lung at approximately the fifth thoracic vertebra. source
The right main bronchus enters the right lung at approximately the fifth thoracic vertebra.
About 2 cm from its commencement it gives off a branch to the superior lobe of the right lung, which is also called the eparterial bronchus. source
About 2 cm from its commencement it gives off a branch to the superior lobe of the right lung, which is also called the eparterial bronchus.
The left main bronchus is smaller in caliber but longer than the right, being 5 cm long. source
The left main bronchus is smaller in caliber but longer than the right, being 5 cm long.
The left main bronchus enters the root of the left lung opposite the sixth thoracic vertebra. source
The left main bronchus enters the root of the left lung opposite the sixth thoracic vertebra.
The left main bronchus passes beneath the aortic arch, crosses in front of the esophagus, the thoracic duct. source
The left main bronchus passes beneath the aortic arch, crosses in front of the esophagus, the thoracic duct.
The left bronchus has no eparterial branch, and therefore it has been supposed by some that there is no upper lobe to the left lung. source
The left bronchus has no eparterial branch, and therefore it has been supposed by some that there is no upper lobe to the left lung.
The main bronchi have relatively large lumens that are lined by respiratory epithelium. source
The main bronchi have relatively large lumens that are lined by respiratory epithelium.
Hyaline cartilage is present in the bronchi, surrounding the smooth muscle layer. source
Hyaline cartilage is present in the bronchi, surrounding the smooth muscle layer.
In the main bronchi, hyaline cartilage forms an incomplete ring, giving a "D"-shaped appearance. source
In the main bronchi, hyaline cartilage forms an incomplete ring, giving a "D"-shaped appearance.
These plates give structural support to the bronchi and keep the airway open. source
These plates give structural support to the bronchi and keep the airway open.
In 0.1 to 5% of people there is a right superior lobe bronchus arising from the main stem bronchus prior to the carina source
In 0.1 to 5% of people there is a right superior lobe bronchus arising from the main stem bronchus prior to the carina
The left main bronchus departs from the trachea at a greater angle than that of the right main bronchus. source
The left main bronchus departs from the trachea at a greater angle than that of the right main bronchus.
