PAS 504 Anatomy: Thorax

What are true ribs?

1-7 ribs that attach directly to the sternum

What are false ribs?

ribs 8-10, lack independent cartilaginous connections to the sternum

What are floating ribs?

Ribs 11-12

head of rib

neck of rib

tubercle of rib

body/shaft of rib

costal groove of rib bone

superior rib facets

subcostal angle

Formed by margins of lower rib cartilages

manubrium

sternum body

sternal angle

inferior rib facet

sternum costal notches

superior thoracic aperture aka thoracic inlet

sternum jugular notch

sternum clavicular notch

inferior thoracic aperature aka thoracic outlet

costal cartilage of ribs

costotransverse joint

costovertebral joint

sternoclavicular joint

xiphisternal joint

point where sternal body and xiphoid process fuse

Costchondral joint

intercostal membrane

sternocostal ligament

areola

suspensory ligaments of breast (cooper)

lactiferous ducts

lobules

Alveoli

pectoralis major

pectoralis minor

subclavius

serratus anterior

scalenes

transverse thoracic muscle

Levatores Costarum

external intercostals

internal intercostals

innermost intercostals

subcostal muscle

rectus abdominis

intercostal nerves

collateral branches

lateral cutaneous nerve

subcostal nerve

gray communicating rami

white communicating rami

phrenic nerves

vagus nerve

esophagus plexus

greater splachnic nerve

recurrent laryngeal nerve

least splachnic nerve

poterior intercostal artery

anterior intercostal artery

internal thoracic artery

pulmonary trunk

sympathetic chain ganglia

lesser splachnic nerve

sympathetic chain

lesser splachnic nerve

bronchial arteries

esophageal artery

ascending aorta

arch of aorta

descending artery

pulmonary arteries

musculophrenic artery

brachiocephalic trunk

superior vena cava

inferior vena cava

visceral pleura

parietal pleura

fissures

left common carotid artery

subclavian artery

cardiac notch

a concave space on the left lung in which the heart lies

azygos vein

hemizygos vein

accessory hemiazygos vein

main bronchi (primary)

lobar bronchi

pulmonary veins

segmental bronchi

fibrous pericardium

outermost layer of pericardium

visceral pericardium

covers the surface of the heart

apex of the lung

myocardium

Thick middle muscle layer of the heart

lingula

trachea

carina

endocardium

inner lining of the heart

ventricles

atrium

auricles of atrium

pectinate muscles

oval fossa