sulcus


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sulcus

(sul -kŭs) (plural: sulci) an area of subparallel furrows and ridges on the surface of a planet or satellite. The word is used in the approved name of such a feature.

sulcus

[′səl·kəs]
(zoology)
A furrow or groove, especially one on the surface of the cerebrum.
References in periodicals archive ?
Originating from the left aortic sinus, the LCA passes between the left auricle and pulmonary trunk to traverse the coronary sulcus (Drake et al.
Upper lip sulcus depth (USD): The measurement between the upper lip sulcus and a perpendicular line drawn from the vermillion to the Frankfort plane;
Perhaps, because of the small sample size and the lack of standardization of the ultrasonographic views, these studies showed significant variation in the measurements of fetal sulcus development.
According to Hold away, upper lip sulcus depth has an acceptable range of 1-4 mm, with the mean of 3mm being ideal.
D J Apple et al (1985) [10] compared indications, advantages and disadvantages of ciliary sulcus and capsular fixation of PC IOL.
However the immature Sooty Albatross has a clearer pale head, gray or black sulcus and the tail lacks pale shafts, while the adult of the Light-mantled Albatross has bluish sulcus and white shafts (Figures 1c and d) (Harrison, 1983; Onley and Scofield, 2007).
1- Central Sulcus; 2- pars opercularis; 3- Short gyrus of insula; 4- Central Sulcus of Insula; 5- Long Gyrus of Insula; 6- Middle temporal gyrus (Thomas Frigeri).
There are several conventional techniques that can be used for reducing isolated zygomatic arch fractures such as: the Gillies temporal approach, hook elevation, upper buccal sulcus technique, intranasal transantral approach, and open reduction.
Hall (1982) said that the width of attached gingiva is determined by subtracting the sulcus or pocket depth from total width of gingiva.
Some authors presume that such meningiomas arise from arachnoid cells of the pia mater that stretches into the surface of brain or sulcus with perforating blood vessels, while others suggest that the arachnoid cells rest in the brain during the migration progress [3].