sinus sigmoideus
Học thuậtThân thiện
Definition
Noun: * Sigmoid Sinus: An S-shaped dural venous sinus located on the inner surface of the temporal and occipital bones. It is a major channel that drains venous blood from the brain.
Usage
The term sinus sigmoideus is a specific anatomical term. It is used in formal, technical contexts such as medical literature, anatomy textbooks, and clinical discussions. * The sinus sigmoideus is a continuation of the transverse sinus. * Thrombosis of the sinus sigmoideus is a serious medical condition. * The surgeon carefully avoided the sinus sigmoideus during the procedure.
Advanced Usage
- The sinus sigmoideus is part of the dural venous sinus system, which ultimately drains into the internal jugular vein.
- In medical imaging reports, you might encounter phrases like "" (meaning it is open and unobstructed) or "" (meaning it is blocked).
Variants and Related Words
- Sigmoid Sinus: This is the more common English equivalent for sinus sigmoideus. The terms are used interchangeably in medical English.
- Dural Venous Sinus: This is the general category of blood channels to which the sinus sigmoideus belongs.
- Transverse Sinus: The venous sinus that typically precedes and feeds into the sinus sigmoideus.
- Jugular Bulb: The dilated portion where the sinus sigmoideus empties into the internal jugular vein.
Synonyms
- Sigmoid Sinus: The direct and primary synonym.
Different Meanings
The term sinus sigmoideus has only one specific meaning in modern English usage: the anatomical structure described above. It is not used in general language or with other meanings.
Noun
- an S-shaped dural sinus on the temporal and occipital bones