Back تلافيف حجاجية Arabic Giros orbitarios Spanish Gyri orbitaires French Circonvoluzioni orbitofrontali mediali Italian 眼窩回 Japanese Gyri orbitales Dutch 眶回 Chinese
| Orbital gyri | |
|---|---|
 Human brain bottom view. Orbital gyri shown in green. | |
 Orbital surface of left frontal lobe. Orbital gyri shown in orange. | |
| Details | |
| Identifiers | |
| Latin | gyri orbitales |
| NeuroLex ID | birnlex_1223 |
| TA98 | A14.1.09.216 |
| TA2 | 5464 |
| FMA | 72020 |
| Anatomical terms of neuroanatomy | |
The inferior or orbital surface of the frontal lobe is concave, and rests on the orbital plate of the frontal bone. It is divided into four orbital gyri by a well-marked H-shaped orbital sulcus. These are named, from their position, the medial, anterior, lateral, and posterior, orbital gyri. The medial orbital gyrus presents a well-marked antero-posterior sulcus, the olfactory sulcus, for the olfactory tract; the portion medial to this is named the straight gyrus, and is continuous with the superior frontal gyrus on the medial surface.
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