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Slacker’s Guide to Thoracic Gross Anatomy
Prepared by Mike Ori
Caveat Emptor
• As with all slackers guides, I have omitted, condensed, and misunderstood information so don’t complain if I got something wrong, after all, you’re a slacker.
• Also, it goes without saying that the faculty has not vetted the information in any way. Always refer to their notes and lectures for the last word.
CT and Such
• You’re probably best off working on an interactive system try
• http://www.imaios.com/en/e-Anatomy• CPR Radiograph key from Slice-o lecture is
important
Structures from labsArteries and Veins
Ascending aorta (c,r)Aortic Arch (c,r)Brachiocephalic artery (c,r)Right subclavian artery (c)Right common carotid artery (c)Left common carotid artery (c,r)Left subclavian artery (c,r)Descending aorta (c,r)Posterior intercostal arteries (c)Inferior vena cava (c,r)Pulmonary trunk (c,r)Left pulmonary artery (c)Right pulmonary artery (c)Superior vena cava (c,r)Azygous vein (c)Hemiazygous vein (c)Posterior intercostal veins (c)Brachiocephalic veins (c)NervesPhrenic nerve (c)Thoracic sympathetic chain (c)Greater splanchnic nerve (c)Vagus nerve (c)Anterior vagal trunk (c)Posterior vagal trunk (c)Esophageal plexus (c)Left recurrent laryngeal nerve (c)
VisceraEsophagus (c, r)Thoracic duct (c)Trachea (c,r)
BonesRibs (b, r)Sternal Body (b,r)Manubrium (b)Sternal angle (b)Xiphisternum (xiphoid process) (b)
MusclesExternal intercostal (c)Internal intercostal (c)Diaphragm (c)
ArteriesPulmonary artery (c)Subclavian artery (c,r)Internal thoracic artery (c)Anterior intercostals arteries (c)Thoracic (descending) aorta (c,r)Posterior intercostal arteries (c)
VeinsAzygous vein (c)Hemiazygous vein (c)Posterior intercostal veins (c)Pulmonary vein (c)
NervesIntercostal nerves (c)Phrenic nerve (c)
VisceraLungsHorizontal fissure (right only) (c)Inferior lobe (left and right) (c)Middle lobe (right only) (c)Oblique fissure (left and right) (c)Superior lobe (left and right) (c)PleuraParietal pleura (c)Visceral pleura (c)Primary (main) bronchi (c,r)Secondary (lobar) bronchi (c)Superior lobar bronchi (left and right) (c)Middle lobar bronchus (right only) (c)Inferior lobar bronchi (left and right) (c)Trachea (c,r)
These are set out exactly as found in the labs so there are duplicates
Structures from Labs Viscera
Anterior interventricular sulcusChordae tendineaeCoronary sulcusFossa ovalisInterventricular septumLeft atriumOpenings of pulmonary veinsLeft auricleLeft ventricleAortic valveMitral (bicuspid) valvePericardial sacFibrous pericardiumParietal (serous) pericardiumVisceral (serous) pericardium = epicardiumPosterior interventricular sulcusRight atriumCrista terminalisOpening of coronary sinusOpening of inferior vena cavaOpening of superior vena cavaRight auricleRight ventricleModerator bandPulmonary valve Tricuspid valve
MusclesPapillary musclesAnterior papillary muscle – both right and left ventriclesPosterior papillary muscle – both right and left ventriclesSeptal papillary muscle – right ventricle onlyPectinate muscle (right atrium)Trabeculae carnae (ventricles)
VesselsAortaLeft coronary arteryAnterior interventricular arteryCircumflex arteryRight coronary arteryMarginal arteryPosterior interventricular arteryCoronary sinusGreat cardiac veinMiddle cardiac veinSmall cardiac veinLigamentum arteriosumPulmonary trunkPulmonary arteriesPumlonary veins
Heart X-Ray
Manubrium
Sternal body
Xyphoid process
Sternal angle
Right Coronary Artery
Anterior interventricular artery
Right atrium
Right Ventricle
Pulmonary trunk
Left ventricle
Aorta
Superior vena cava
Auricle of LA and RA
Anterior interventricular Sulcus
Right Coronary Artery
Anterior interventricular artery
Right atrium
Right Ventricle
Pulmonary trunk
Left ventricle
Aorta
Superior vena cava
Circumflex artery
Left atrium
Auricle of LA and RA
Great cardiac vein
Posterior interventricular artery
Right atrium
Left ventricle
Inferior vena cava
Left atrium
Coronary sinus
Auricle of Left Atrium
Posterior interventricular sulcus
Great Cardiac Vein
Middle cardiac vein
Right Coronary Artery
Anterior interventricular artery
Right atrium
Right Ventricle
Pulmonary trunk
Left ventricle
Aorta
Superior vena cava
Circumflex arteryLeft atrium
Mitral valve
Great cardiac vein
Left coronary artery
Posterior interventricular artery
Right atrium
Right Ventricle
Left ventricle
Inferior vena cava
Marginal artery
Middle cardiac vein
Right coronary artery
Small cardiac vein
Coronary Sinus
Intercostal Neurovascular bundle
Manubrium
Internal Thoracic A/V
Sternal body
Xyphoid process
Superior Vena Cava
Intercostal A V Post
Ant
Manubrium
Internal Thoracic A/V
Sternal body
Sternal Angle
Intercostal nerve
Right superior lobe
Right middle lobe
Right inferior lobe
Diaphragm
Left superior lobe
Left inferior lobe
Internal thoracic A/V
Aortic Arch
Lingula of Left Lung
Cardiac Notch
Oblique Fissure
Horizontal fissure
Subclavian A/V
Internal Jugular V
Brachiocephalic v
Diaphragm
Left Vagus N (CNX)
Common Carotid A
Sup Vena Cava
Inf Vena Cava
Aortic Arch
Ascending Aorta
Int thoracic A/V
Pulmonary trunk
Subclavian A/V
External Jugular V
Internal Jugular V
Diaphragm
Left Vagus N (CNX)
Common Carotid A
Sup Vena Cava
Inf Vena Cava
Aortic Arch
Ascending Aorta
Esophagus
Pulmonary trunk
Azygos V
Hemiazygos VDescending Aorta
Pulmonary A/V
TracheaLarynx
Brachiocephalic V
Subclavian A.
External Jugular V
Vagus N (CNX)
Pulmonary trunk
Sup Vena Cava
Aortic ArchAscending Aorta
Esophagus
Larynx Trachea
Recurrent Laryngeal of CNX
Common Carotid A.
Brachiocephalic A.
Subclavian A.
External Jugular V
Vagus N (CNX)
Inf Vena Cava
Esophagus
Descending Aorta
azygos V
Larynx
Common Carotid A.
Brachiocephalic A.Hemiazygos V
Recurrent Laryngeal of CNX
Posterior
Note lack of cartilage on posterior trachea
Posterior
Posterior
Larynx
Trachea
Primary (main) Bronchus
Secondary (lobar) bronchus
Tertiary bronchus
Right lung hilar view
Primary bronchus(Be careful with the split here, could be 2o)
Right lung hilar view
Pulmonary artery
Pulmonary vein(ant and inf. most)
Right superior lobe
Right middle lobe
Right inferior lobe
Oblique fissure
Horizontal fissure
Left lung hilar view
Left superior lobe
Left inferior lobe
Oblique fissure
Pulmonary artery
Pulmonary Vein(ant and inf. most)
Left lung hilar view
Primary bronchus(Be careful with the split here, could be 2o)
Renal Cortex
Medullary pyramids
Calyces
Renal pelvis
Just because it could do this.
Urinary bladder
Uterus
Ureter
UrethraPelvic floor muscles
Kidney
The model system didn’t have male anatomy so picture a walnut just below the bladder.
References
• www.visiblebody.com• Netter’s Atlas of Human Anatomy (
www.netteranatomy.com)• http://www.imaios.com/en/e-Anatomy• Dr A’s lecture notes• Dr C’s slides