Overview of Structures at Different Vertebrae Levels
1
C. Riedinger 2011 Vertebra Levels C4 Bifurcation of common carotid = upper border of thyroid cartilage C5 C6 Beginning of oesophagus Beginning of trachea Vertebral artery enters foramina transversaria C7 Vertebra prominens Sterno- clavicular joints Bifurcation of the RIGHT brachiocephalic trunk Union of the internal jugular and subclavian vein to brachiocephalic vein (on both sides) T1 T2 T2/3 Superior border of scapula Suprasternal notch Level of 1 st rib at the front (T1 at the back) T3 T3/4 Medial end of spine of scapula End of pre-vertebral fascia Posterior end of oblique fissure of lung (to 6 th costal cart) (transverse/horiz. fissure || to 4 th costal cartilage to 5 th rib mid-axillary) (costodiaphragmatic recess 8 th -10 th rib mid-axillary line) Top of aortic arch T4 T4/5 Sternomanubrial joint Start/end of aortic arch Bifurcation of trachea at carina Bifurcation of pulmonary trunk? T5 Thoracic duct crosses from right to left T6 T7 Inferior angle of scapula T8 IVC and right phrenic nerve enter diaphragm, left phrenic separate Hemiazygos vein crosses to left T9 ant. Hiatus: Superior epigastric artery and vein through diaphragm T10 Site for epidural Oesphagus, left gastric a, vagus pass through diaphragm T11 T12 Aorta, hemi/azygos veins and thoracic duct pass behind diaphragm Coeliac axis Splanchnic nerves pierce crura Sympathetic trunk passes into abdomen L1 L1/2 End of spinal cord / conus medullaris Transpyloric plane! Superior mesenteric artery comes off aorta Azygos vein forms from right subcostal and ascending lumbar veins L2 Left crus of diaphragm inserts into body of L1+L2 Start of small intestine mesentery L3 L3/4 Right crus of diaphram inserts into body of L1+L2+L3 Inferior mesenteric artery comes off aorta Site for lumbar puncture height of umbilicus L4 Abdominal aorta bifurcates Iliac crest and supracristal plane L5 L6/S1 IVC formed from common iliac veins Bifurcation of common iliac arteries (pelvic brim?) S1 S2 End of dural sac of spinal cord, lumbar cistern Axis of sacrum, midpoint of sacro-iliac joint Lower attachment of small bowel mesentery S3 Start of rectum
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An overview to help learn things by heart for the 1st year anatomy exam at Cambridge medical school.
Transcript of Overview of Structures at Different Vertebrae Levels
C. Riedinger 2011
Vertebra Levels
C4 Bifurcation of common carotid = upper border of thyroid cartilage
C5
C6 Beginning of oesophagus
Beginning of trachea
Vertebral artery enters foramina transversaria
C7 Vertebra prominens
Sterno-
clavicular
joints
Bifurcation of the RIGHT brachiocephalic trunk
Union of the internal jugular and subclavian vein to brachiocephalic vein
(on both sides)
T1
T2
T2/3
Superior border of scapula
Suprasternal notch
Level of 1st rib at the front (T1 at the back)
T3
T3/4
Medial end of spine of scapula
End of pre-vertebral fascia
Posterior end of oblique fissure of lung (to 6th
costal cart)
(transverse/horiz. fissure || to 4th
costal cartilage to 5th
rib mid-axillary)
(costodiaphragmatic recess 8th
-10th
rib mid-axillary line)
Top of aortic arch
T4
T4/5
Sternomanubrial joint
Start/end of aortic arch
Bifurcation of trachea at carina
Bifurcation of pulmonary trunk?
T5 Thoracic duct crosses from right to left
T6
T7 Inferior angle of scapula
T8 IVC and right phrenic nerve enter diaphragm, left phrenic separate
Hemiazygos vein crosses to left
T9 ant. Hiatus:
Superior epigastric artery and vein through diaphragm
T10 Site for epidural
Oesphagus, left gastric a, vagus pass through diaphragm
T11
T12 Aorta, hemi/azygos veins and thoracic duct pass behind diaphragm
Coeliac axis
Splanchnic nerves pierce crura
Sympathetic trunk passes into abdomen
L1
L1/2
End of spinal cord / conus medullaris
Transpyloric plane!
Superior mesenteric artery comes off aorta
Azygos vein forms from right subcostal and ascending lumbar veins
L2 Left crus of diaphragm inserts into body of L1+L2
Start of small intestine mesentery
L3
L3/4
Right crus of diaphram inserts into body of L1+L2+L3
Inferior mesenteric artery comes off aorta
Site for lumbar puncture
height of umbilicus
L4 Abdominal aorta bifurcates
Iliac crest and supracristal plane
L5
L6/S1
IVC formed from common iliac veins
Bifurcation of common iliac arteries (pelvic brim?)
S1
S2 End of dural sac of spinal cord, lumbar cistern
Axis of sacrum, midpoint of sacro-iliac joint
Lower attachment of small bowel mesentery
S3 Start of rectum
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