Bronchial tube (-and)
Bronchial tube (-and) [bronchus, - i – PNA (The anatomic nomenclature Parisian), BNA (The anatomic nomenclature Basel), JNA (The anatomic nomenclature Yenskaya); lat., from Greek bronchos – a windpipe; the prefix designating communication with bronchial tubes] – the body which is a branching of a trachea and relating to system of the lower respiratory tracts; it is placed in lungs, in pleural bags and in a mediastinum, provides delivery of air in lungs and its conclusion outside, and also removal of lumps of slime, dust particles, microorganisms and so on.
Allocate a bronchial tube (-and):
- Main [principalis – PNA (The anatomic nomenclature Parisian)] – being the initial part of a bronchial tube going from bifurcation (bifurcation) of a trachea before its division in a lung on lobar bronchi;
- Additional (accessorius) – the bronchial tube which is representing anomaly of development, arose in the form of addition to two primary bronchi;
- Share [lobaris – PNA (The anatomic nomenclature Parisian); ramus bronchialis – BNA (The anatomic nomenclature Basel); ramus bronchalis – JNA (The anatomic nomenclature Yenskaya)] – the branch of a primary bronchus following to a lung lobe and breaking into segmental bronchi; in the left lung distinguish the lower and upper lobar left bronchi, and in right – the lower, average and upper lobar right bronchi;
- Lobular (lobulares) – the small bronchial tubes reaching pulmonary segments, are more often than the 8th order of branching;
- Drainage – a bronchial tube by means of which emptying of the cavity formed in easy is made (a tubercular cavity, abscess);
- Segmented [segmentalis – PNA (The anatomic nomenclature Parisian)] – the branch of a lobar bronchus passing to a lung segment;
- Tracheal (trachealis) – the displaced upper lobar or additional bronchus beginning directly from a trachea it is preferential over bifurcation; is anomaly of development.
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