Term
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Definition
manubriuim::body of sternum
2nd rib::sternum
aortic arch begins/ends
inf border, sup mediastinum
IVDisk T4/T5 |
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Term
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Definition
| head of rib with corresponding vert body and supra-adjacent vert body. Tubercle with corresponding Tverse process (except 11 and 12) |
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Term
| sternocostal/costochondral joint type |
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Definition
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Term
| sternoclavicular join type |
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Definition
| saddle-type synovial w/fibrocartilage articular surface and 2 separate synovial cavities |
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Term
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Definition
| primary rami of thoracic spinal nerves. Run in costal groove (VAN) |
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Term
| internal intercostal branches |
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Definition
| pericardiophrenic, anterior intercostals (2 @ each of first 6 spaces), ant perforating branches, musculophrenic and superior epigasrics |
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Term
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Definition
| parasternal nodes (along int thoracic a), intercostal (heads of ribs; drain into cisterna chyli), phrenic nodes |
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Term
| middle mediastinum contents |
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Definition
| arch of the azygos v, main bronchi, phenic nerves, heart, pericardium, great vessel roots |
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Term
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Definition
R: wider, more vertical w/3 lobar (secondary) brochi (superior lobar = epartierial)
L = 2 lobar bronchi (upper and lower). Crossed anteriorly by aortic arch and pulm artery |
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Term
| Pleura innervation/blood supply |
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Definition
parietal = pain sensitive (intercostal and phrenic nerves)
Visceral = supplied by bronchial arteries (from thoracic aorta), drained by pulm veins |
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Term
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Definition
| between 7-9 intercostal space to avoid lung, liver, spleen, diaphragm |
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Term
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Definition
R = upper/middle/lower lobes via oblique and horizontal fissures. 3 2dnary (lobar) bronchi w/10 segmentals.
L = obliue fissure and upper/lower lobes. Lingula (at upper lobe)w/cardiac notch/impression and 2 lobar bronchi. |
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Term
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Definition
| lung portion supplied by tertiary (lobular, segmental) bronchus, segmental artery (bronchial a), and intersegmental br of pulm vein. |
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Term
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Definition
fibrous remains fo ductus arteriosus.
connects L pulm artery to aortic arch |
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Term
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Definition
R: empty into azygos
L; into hemiazygos |
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Term
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Definition
phrenic = ant to root (runs between mediastinal pleura and pericardium).
vagus = post |
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Term
| trachea/bronchi development |
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Definition
| laryngotracheal groove @ pharygeal foregut envaginates to form laryngotracheal diverticulum, which is separated from foregut by tracheoesophageal septum, whcih divides forgut into ventral (laryngotrach tube), and dorsal (oropharynx/esoph). Lung buds develop at diverticulum. |
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Term
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Definition
| subdivision of pericardial sac. Is posterior to ascending aorta and pulm trunk, anterior to SVC, sup to Latrium and pulm veins |
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Term
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Definition
| insert needle @ 5th IC space just to left of sternum (miss lung via cardiac notch) |
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Term
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Definition
base = posterior = Latrium
Right = acute = SVC, RA, IVC
L = obtuse = LV |
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Term
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Definition
PI radiograph.
R = SVC, RA, IVC
L = aortic arch (knob), pulm trunk, Lauricle, LV
*LA shows no border* |
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Term
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Definition
| in RA. Receives SVC, IVC, coronary sinus, anterior cardiac veins. Develops from sinus venosus. Is separated from rest of RA by crista terminalis |
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Term
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Definition
| ridges of atrial myocardium |
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Term
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Definition
| remains of fossa ovale = embryonic route from RA to LA |
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Term
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Definition
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Term
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Definition
trabeculae= muscular ridges. Moderator band connects IV septum and papillary m.
Papillary m, from ventricular walls to chordae tendinae @ tricuspid. |
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Term
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Definition
pulm valve = L 2nd IC space, lat to sternum
Aortic valve = R 2nd IC space lat to sternum (DUB)
Tricuspid = right lower part, sternum
Bicuspid (mitral) = L 5th IC space, midclav line |
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Term
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Definition
LUB = AV valves close @ systole onset
DUB = aortic/pulmonary @ diastole onset |
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Term
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Definition
| RV muscle band. Connects IV septum to papillary muscle (thus to chordae tendianae and tricuspid). Carries R limb of AV bundle (purkinje fibers) |
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Term
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Definition
SA @ RA myocardium
AV @ IA septum
Blood from R coronary a. |
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Term
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Definition
| runs im membranous part, IV septum |
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Term
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Definition
both from ascending aorta. max flow during diastole.
R: SA/AV nodal a, marginal a, post descending,
L: LAD (to IV septum, apex), Cicumflex (in coronary sulcus: gives off L marginal a.) |
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Term
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Definition
coronary siuns receives:
Great cardiac v (w/LAD)
Middle cardiac v (w/ post IV a)
Small caridac v (w marginal a)
oblique v of LA |
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Term
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Definition
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Term
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Definition
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Term
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Definition
| 2 fused endocardial heart tubes. Mesodermal origin. gives rise to endocardium. surrounding splanchnic mesoderm gives rise to myo and epicardium. |
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Term
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Definition
| septum primum or secundum abnormality. Blood clot route to brain |
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Term
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Definition
| aortic arch 4 = aortic arch and brachiocephalic a/subclavian a |
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Term
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Definition
foramen ovale: in septum secundum. shunt from RA-->LA (lung bypass)
ductus arteriosus: pulm trunk-->aorta for lung bypass
ductus venosus: O2 blood from umbilical vein --> IVC (bypass liver) |
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Term
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Definition
a: carry blood to placenta for O2genation. become medial umbilical lig
v: O2 blood from placenta to fetus |
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Term
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Definition
| from obliterated L umbilical vein |
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Term
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Definition
C6 (where it starts)
@ L main bronchus crossing
@ T10 (pierces diaphragm) |
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Term
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Definition
1st 2 from costocervical trunk, rest from thoracic aorta.
collateral branches run at sup border of rib below |
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Term
| collateral ciculation: thorax |
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Definition
ant/post intercostals
inf/sup epigastrics
sup ICa Costocerv tr)/3rd post ICa
post ICa/dorsal scap-->supra/cirucmflex scap aa |
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Term
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Definition
| enters thorax w/aorta. Receives RsupICv, hemiazygos, accessory azygos. Arches over R lung root, enters SVC |
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Term
| hemiazygos vs accessory hemiazygos tributaries |
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Definition
hemi: 9-11th postIVc (left)
accessory: 4/5-8th ICv |
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Term
| superior intercostal veins |
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Definition
| = 2nd, 3rd, (4th) post IC veins. drain into azygos. (1st drains into brachiocephalic, lower into hemi/accessory hemiazygos) |
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Term
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Definition
| from cisterna chyli in abdomen. passes to thorax w/aorta. drains all but Right side of thorax/head and R upper limb. Empties into L venous angle |
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Term
| sympathetic NS organization |
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Definition
lateral horn (interomedial cell column), T1-L2.
white rami = into symp trunk.
gray rami = leave trunk, join spinal nerve
supply BV, hair follicle, sweat glands |
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Term
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Definition
| block of stellate ganglion (inf cerv gang + sup thoracic gang). insert needle near neck of 1st rib). |
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Term
| gray vs white rami contents |
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Definition
gray: postgang GVE (cell bodies in symp chain ganglia)
white: pregang GVE and GVA |
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Term
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Definition
sympathetic pregang GVE and GVA.
greater = 5th-9th thoracic gang
lesser = 10th-11th thoracic gang
least = 12th thoracic gang |
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Term
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Definition
CN 3,7,9,10 = pregang
Vagus stops at descending colon (pelvic splanchnic nerves take over S2-S4). Also contains GVA from nodose ganglion. |
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