Normal of the Aorta

Normal Aorta
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Normal Aorta

•View of a normal aorta opened posteriorly lengthwise, with the bifurcation indicated by the white arrow.
•Note: The uniform smooth glistening intimal surface; The longitudinal evenly spaced rows of intercostal artery ostia along the upper and lower cut edges of the thoracic aorta, which appear as faint dots; the upper abdominal aorta marked by the two prominent ostia of the celiac and superior mesenteric arteries (yellow arrow), below which are the barely visible ostia of the renal arteries on the cut edges.

(Description By:J. Hasson, M.D. )

(Image Contrib. by: Saint Francis Hospital )

Normal Aorta

Etiology

• Not applicable.

Pathogenesis

• Not applicable.,

Epidemiology

• Not applicable.

General Gross Description

• Yellow tan smooth lumenal surface
• Thin wall
• Smooth external surface

General Microscopic Description

• Layer of endothelial cells lying on an internal elastic lamina
• Media of smooth muscle cells rich in elastic fibers lying on an external elastic lamina
• External layer is adventia
• Vasa vasorum supply outer portion of vessel wall

Clinical Correlation

• Not applicable

References

• Cotran RS, Kumar V, Robbins SL: Robbins Pathologic Basis of Disease. 5th ed. Philadelphia, W.B. Saunders, 1994, pp. 467-469.

Normal Aorta

Synopsis by: Melinda Sanders M.D. (T42000M00100)[68]

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