sulcus
- noun
- /ˈsʌlkəs/
- Specialized
- Between 16 and 20 weeks, the facial nerve, arterioles, venules, and the stapedius muscle lie in a sulcus on the canalicular wall.
- annular sulcus
- gingivobuccal sulcus
- superior temporal sulcus
Examples
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Oroscopy identified a bulge in the right upper gingival-labial sulcus.
Academic text (2005) -
Incise the subcutaneous layer close to and parallel to the sulcus to create a window.
Academic text (2009) -
A little bit of a one goes down into a sulcus, and those sulci are labeled by the lines.
-
The fistula extends from the floor of the nose to the gingivobuccal sulcus under the upper lip.
Academic text (2001) -
Trauma to the right parieto-occipital sulcus and parietal lobe.
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Then it extends cephalad in the sulcus between the internal surface of the mandible and the anterior tonsillar pillar.
Academic text (1999) -
Figure 1. At presentation, the patient exhibits left enophthalmos, deepening of the superior orbital sulcus, loss of the lower-eyelid fat, and malar depression.
Academic text (2008) -
Our technique provides adequate bulk while allowing for the depth of a ventral sulcus that will minimize tethering of the tongue and reduce oral incompetence by creating a neovestibule.
Academic text (2010) -
After opening the joint capsule, the positioning sleeve was gently inserted into the femoral sulcus, up to the tibial guide wire insertion point, and a 3.2-mm guide wire was drilled into it.
Academic text (2018) -
The central sulcus separates the frontal and parietal lobes of the brain.
Synonyms
A long narrow crack in rock or a part of the body
Compounds
- Specialized
Deep groove on the inner back part of the brain that contains the main area for vision
- Specialized
A deep groove on the brain surface that separates the front and top parts
- Specialized
A deep fold in the brain that separates the front and side parts
- Specialized
A deep groove near the back of the brain that separates the parietal lobe from the occipital lobe
- Specialized
A deep groove on the side of the brain that separates the front part from the upper middle part
- Specialized
A deep groove on the side of the brain that separates the frontal lobe from the temporal lobe
How Deep
Surface Forms
Etymology
Sulcus comes from the Latin word sulcus, which means 'groove' or 'furrow', like the line a plow makes in a field. So, in anatomy a sulcus is a narrow groove on the surface of an organ, such as the brain.