About The Medical Condition Samplings, Petrosal Sinus

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Find the definition of the medical term Samplings, Petrosal Sinus. Samplings, Petrosal Sinus defined and explained for easy understanding at the Medical Conditions from ClusterMed.info.

Samplings, Petrosal Sinus

Samplings, Petrosal Sinus Medical Condition Defined & Explained
Samplings, Petrosal Sinus Medical Condition

What's The Definition Of The Medical Condition Samplings, Petrosal Sinus?

Sampling of blood levels of the adrenocorticotropic hormone (ACTH) by withdrawal of blood from the inferior petrosal sinus. The inferior petrosal sinus arises from the cavernous sinus and runs to the internal jugular vein. Sampling of blood at this level is a valuable tool in the differential diagnosis of Cushing disease, Cushing syndrome, and other adrenocortical diseases.

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