Thorax Structures

true ribs

rib 1-7

true ribs

false ribs

ribs 8-10

false ribs

floating ribs

rib 11-12 (sometimes 10)

floating ribs

parts of typical rib

head, neck, tubercle, body/shaft, costal groove, superior and inferior facets

head of typical rib

in pink

neck of rib

in pink

tubercle of rib

surrounding the pink

body/shaft of rib

in pink

costal groove

in green

superior facet of rib

inferior facet of rib

sternum

manubrium of sternum

in pink

xiphoid process of sternum

in pink

sternal angle

in green

costal notches of sternum

in green, but all the purple down it are also this - in green is just the first one

jugular notch of sternum

in green

clavicular notch of sternum

in green, bilateral

subcostal angle

the black lines

superior thoracic aperture / thoracic inlet

inferior thoracic aperture / thoracic outlet

costal cartilages of ribs

superior costal facets of thoracic vertebrae

inferior costal facets of thoracic vertebrae

superior articular process of thoracic vertebrae

in pink, bilateral

inferior articular process of thoracic vertebrae

in pink, bilateral

transverse facet of thoracic vertebrae

costotransverse joints

costotransverse ligaments

costovertebral joints

costovertebral ligaments

sternoclavicular joint

bilateral

xiphisternal joint

in between the light blue and green sections at the bottom of the picture

costochondral joint

on the left, 10 pairs

internal intercostal membrane

sternocostal ligaments

external intercostal membrane

axillary process (tail of Spence)

top left line points to this

areola

in green

nipple

in green

suspensory ligament (of Cooper)

in yellow

lactiferous ducts

lobules of breast

pointing to line under chest wall on right side

alveoli of breast

top arrow pointing to this

pectoralis major

pectoralis minor

subclavius

serratus anterior muscle

scalene muscles

levatores costarum

external intercostal muscles

internal intercostal muscles

innermost intercostal muscles

subcostal muscles

transverse thoracic muscle

diaphragm

rectus abdominis muscle

external oblique

intercostal nerves

this is for the 5th rib and is below it

collateral branches of intercostal nerves

lateral cutaneous branches (of posterior intercostal arteries)

in red

subcostal nerve

sympathetic chain and ganglion

gray and white communicating rami

phrenic nerves

vagus nerve

recurrent laryngeal nerve

esophageal plexus

greater splanchnic nerve

lesser splanchnic nerve

least splanchnic nerve

posterior intercostal arteries

anterior intercostal artery

internal thoracic arteries

pulmonary trunk

left pulmonary artery

in the pink and purple (picture has sternum removed to see better)

right pulmonary artery

in the pink and purple (picture has sternum removed to see better)

superior pulmonary artery / superior lobar artery of left lung

in green

inferior pulmonary artery / inferior lobar artery of left lung

in purple (sternum is hidden in picture)

right bronchial artery

in red

esophageal arteries / esophageal branches of aorta

ascending aorta

in pink

aortic arch

in the pink and red

descending aorta

pointing to the bottom line

thoracic aorta

in pink

brachiocephalic trunk

in the pink colors at the top

left common carotid artery

in the pink and purple

subclavian artery

in pink and purple (this is on the left in the picture)

musculophrenic artery

in hot pink

superior pulmonary artery / superior lobar artery of right lung

in purple

inferior pulmonary artery / inferior lobar artery of right lung

in purple (sternum removed in picture)

azygos vein

in pink and purple

hemiazygos vein

in purple

accessory hemiazygos vein

in purple

superior vena cava

in pink

inferior vena cava

in the pink and purple

pulmonary veins

in the pink and red (sternum removed in picture)