Anatomical Levels of Various Structures in Human Body
 |
| (Anatomical levels of various structures in human body by Dr. Deepak Kumar) |
Structure
|
Level
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Oropharynx and Soft Palate with Open Mouth
|
C2 Vertebra
|
Level of Hyoid bone
|
C3 Vertebra
|
Level of Thyroid cartilage
|
C4 & C5 Vertebrae
|
Level Bifurcation of Common Carotid Artery
|
C3 & C4 Vertebrae junction (disc)
|
Level of Cricoid Cartilage
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C6 Vertebra
|
Level of Thyroid Lobe (Superior Extent)
|
Oblique line of thyroid cartilage
|
Level of Isthmus of Thyroid gland
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Overlies the 2nd through 4th tracheal
rings
|
Level of Thyroid Lobe (Inferior extent)
|
Sixth tracheal ring
|
Level of Superior angle of scapula
|
Overlies part of second rib – First intercostal space is
superior to this angle
|
Level of Spine at root of scapula (medially)
|
Opposite third thoracic spine
|
Level of Inferior angle of scapula
|
Overlies part of seventh rib – Seventh intercostal space
is inferior the angle
|
Level of Jugular or suprasternal notch
|
T2 & T3 vertebral junction (disc)
|
Level of Sternal angle (angle of Louis or
manubriosternal joint)
|
T4 & T5 vertebral junction
|
Level of Tracheal bifurcation
|
T4 & T5 vertebral junction
|
Level of Concavity and ends of Aortic arch
|
T4 & T5 vertebral junction
|
Level of Azygos vein enters superior vena cava
|
T4 & T5 vertebral junction
|
Level of Origin of great vessels (eg brachiocephalic
trunk, etc)
|
Approximately center of manubrium or first intercostal
space which would put it at the level of the T3 & T4 vertebral junction
|
Level of Manubrium
|
T5 to T8 vertebrae
|
Level of Xiphisternal joint
|
T9 vertebra
|
Extent of Superior mediastinum
|
From superior thoracic inlet to the horizontal plan
passing from the sternal angle to the inferior border of T4 vertebra
|
Level of Pulmonary valve
|
Left second intercostal space, medial side
|
Level of Aortic valve
|
Right second intercostal space, medially
|
Level of Tricuspid valve
|
Right lower sternal border
|
Level of Apex of heart (mitral valve)
|
Fifth intercostal space
|
Level of Base of heart (supine position)
|
T5 to T8 vertebrae
|
Level of Base of heart (erect position)
|
T6 to T9 vertebrae
|
Level of Greater splanchnic nerve
|
T5 – T9 sympathetic ganglia
|
Level of Oblique fissure of lung
|
T6
|
Level of Vena caval foramen
|
T8 vertebra
|
Level of Esophageal hiatus
|
T10 vertebra
|
Level of Lesser splanchnic nerve
|
T10 – T11 sympathetic ganglia
|
Least splanchnic nerve
|
T12 sympathetic ganglia
|
Level of Aortic hiatus
|
T12 vertebra
|
Level of Median Arcuate Ligament of Respiratory
Diaphragm
|
T12 & L1 vertebral junction
|
Level of Celiac trunk
|
L1 vertebra (superior border) / T12
|
Level of Superior Mesenteric Artery
|
L1 vertebra (inferior third)
|
Level of Inferior Mesenteric Artery
|
L3 vertebra
|
Level of Horizontal part of duodenum
|
L3 vertebra (subcostal plane)
|
Level of Right kidney Superior pole
|
T12 vertebra (superior border)
|
Level of Right kidney Inferior pole
|
L3 vertebra
|
Level of Hilum of right kidney
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L1 vertebra (trans pyloric plane)
|
Level of Left kidney Superior pole
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T12 vertebra (superior border)
|
Level of Left kidney Inferior pole
|
L3 vertebra
|
Level of Hilum of left kidney
|
L1 vertebra
|