Intercavernous sinuses
The intercavernous sinuses are two in number, an anterior and a posterior, and connect the two cavernous sinuses[1] across the middle line.
Intercavernous sinuses
| Intercavernous sinuses | |
|---|---|
 Dural veins | |
 The sinuses at the base of the skull. (Visible as light blue circle at center.) | |
| Details | |
| Identifiers | |
| Latin | sini intercavernosi |
| TA | A12.3.05.117 |
| FMA | 50773 |
| Anatomical terminology | |
The anterior passes in front of the hypophysis cerebri (pituitary gland), the posterior behind it, and they form with the cavernous sinuses a venous circle (circular sinus) around the hypophysis.
The anterior one is usually the larger of the two, and one or other is occasionally absent.
References
This article incorporates text in the public domain from page 659 of the 20th edition of Gray's Anatomy (1918)
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