trachea and bronchi
DESCRIPTION
Anatomi dan fisiologiTRANSCRIPT
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Trachea and Bronchi Dr.Hassan Shaibah
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Tracheobronchial anatomy*Tracheal Displacement Due to Goiter
Images downloaded from From www.vh.org
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a mobile cartilaginous and membranous tube
Right bronchsWiderShorter
C6T4/5Left bronchusNarrowerLongerMore horizontal
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C shaped rings of hyaline cartilagesFree Posteriorly. Cartilages are connected by a muscle 11.25 cmTrachealisMuscle
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LTMain bronchusRTMain bronchusLTUpper lobarbronchusLTlower lobarbronchus
RTlower lobarbronchus
RTUpper lobarbronchusRTmiddle lobarbronchusCricoid Cartilage
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Main carina: Concepts of anterior and posterior
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RTSegmantal bronchiLTSegmantal bronchi
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Relations of the Trachea
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At Level of superior MediastinumAnteriorly: The sternum, thymus, left brachio-cephalic v., origins of the brachiocephalic and left common carotid a., & arch of the aorta
Posteriorly: esophagus & left recurrentlaryngeal n.
Right side: azygos v., right vagus n., & the pleura
Left side: arch of the aorta, left common carotid &left subclavian a., the left vagus & left phrenic n., & the pleura.
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sternum thymusLT brachiocephalic v.Brachiocephalic truckLT common carotid a. Anterior the level of T1
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Posteriorly at level of T1esophagusLTRecurrent laryngeal N
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Right at level of T1RT vagus n.Pleura
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Left at level of T1PleuraLT common carotid aLT subclavian a.left vagus n. LT phrenic n.
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The sternumthymusLT brachiocephalic v.BrachiocephalicTrunkLT common carotid a.
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The sternumthymusLT brachiocephalic v.BrachiocephalicTrunkLT common carotid a. anterior
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Left at level of T1PleuraLT common carotid aLT subclavian a.left vagus n. LT phrenic n.
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RightRT vagus n.Pleura
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sternumthymusArch of aortaAnterior at level of T4
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Left at level of T1PleuraArch of aorta left vagus n. LT phrenic n.
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Right at level of T1RT vagus n.PleuraAzygos v.
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Posterior at level of T4
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At level T4
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At level T3
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At Level of the neckAnterior: thyroid gland, inf. Thyroid vein with some neck musclesPosterior : right and left recurrent laryngeal nerveLateral: lobes of the thyroid gland and carotid sheath
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thyroid glandinf. Thyroid vein
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Posteriorright and left recurrent laryngeal nerve
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LateralLobes of the thyroid gland & carotid sheath
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*Intraluminal disease and extrinsic compressionTumor invading through posterior wall.Tumor invading left and right main bronchiNarrowing of lower third of trachea
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BI, All Rights Reserved, 2005*Tracheal appearances
BI, All Rights Reserved, 2005
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Nerve Supply of the Tracheasensory nerve supply is from the vagi and the recurrent laryngeal nerves. Sympathetic nerves supply the trachealis muscle
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Blood Supply of the Tracheaupper 2/3 are supplied by the inferior thyroid arteries lower 1/3 is supplied by the bronchial arteries.