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In biological morphology and anatomy, a sulcus (pl.: sulci) is a furrow or fissure (Latin fissura, pl.: fissurae). It may be a groove, natural division, deep furrow, elongated cleft, or tear in the surface of a limb or an organ, most notably on the surface of the brain , but also in the lungs , certain muscles (including the heart ), as well as ...
In neuroanatomy, a sulcus (Latin: "furrow"; pl.: sulci) is a shallow depression or groove in the cerebral cortex.One or more sulci surround a gyrus (pl. gyri), a ridge on the surface of the cortex, creating the characteristic folded appearance of the brain in humans and most other mammals.
The shape of the central sulcus has been linked to the degree of disability in individuals who have a small subcortical ischemic stroke as a result of severe cerebral small vessel disease. [15] However, the severity of the disability has been found to not be fully dependent upon the morphology of the central sulcus. [15]
Sulcus (morphology), a groove, crevice or furrow in medicine, botany, and zoology; Sulcus (neuroanatomy), a crevice on the surface of the brain; Sulcus (geology), a long parallel groove on a planet or a moon; Coronal sulcus, the groove under the corona of the glans penis; In botany, sulci in seeds or pollen grains are colpi
Analyzing variability in the location of gross anatomical landmarks such as sulci is an accepted method for studying evolutionary hominin brain reorganization. The position of the lunate sulcus in the occipital lobe has been studied in humans, early hominin endocasts, apes, and monkeys by researchers seeking to make inferences about the morphological evolution of brain regions associated with ...
The lateral part of the parieto-occipital sulcus (Fig. 726) is situated about 5 cm in front of the occipital pole of the hemisphere, and measures about 1.25 cm. in length. The medial part of the parieto-occipital sulcus (Fig. 727) runs downward and forward as a deep cleft on the medial surface of the hemisphere, and joins the calcarine fissure ...
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Insect morphology is the study and description of the physical form of insects. ... Laterally it is limited by the fronto-genal sulcus, if present, and the boundary ...