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A bronchopulmonary segment is a portion of lung supplied by a specific segmental bronchus and its vessels. [1] [2] These arteries branch from the pulmonary and bronchial arteries, and run together through the center of the segment. Veins and lymphatic vessels drain along the edges of the segment.
The secondary bronchi divide further into tertiary bronchi, (also known as segmental bronchi), each of which supplies a bronchopulmonary segment. A bronchopulmonary segment is a division of a lung separated from the rest of the lung by a septum of connective tissue. This property allows a bronchopulmonary segment to be surgically removed ...
Each bronchopulmonary segment has its own (segmental) bronchus and arterial supply. [8] Segments for the left and right lung are shown in the table. [5] The segmental anatomy is useful clinically for localising disease processes in the lungs. [5] A segment is a discrete unit that can be surgically removed without seriously affecting surrounding ...
The right lung has three lobes – upper, middle, and lower (or superior, middle, and inferior), and the left lung has two – upper and lower (or superior and inferior), plus a small tongue-shaped portion of the upper lobe known as the lingula. Each lobe is further divided up into segments called bronchopulmonary segments. Each lung has a ...
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These in turn give rise to tertiary bronchi (tertiary meaning "third"), known as segmental bronchi which supply each bronchopulmonary segment. [1] The segmentary bronchi subdivide into fourth order, fifth order and sixth order segmental bronchi before dividing into the bronchioles.
According to Grays Anatomy for Students 2nd Edition, page 240- "There are ten bronchopulmonary segments in each lung... some of them fuse in the left lung...". As far as I understand, the sentence defining the number of segment in the left lung is inaccurate and should be corrected. Any objections? Ehudjonas 13:32, 25 April 2015 (UTC)
Pulmonary aspiration is the entry of solid or liquid material such as pharyngeal secretions, food, drink, or stomach contents from the oropharynx or gastrointestinal tract, into the trachea and lungs. [1]