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  1. Sulcus (neuroanatomy) - Wikipedia

    A sulcus is a shallow groove that surrounds a gyrus or part of a gyrus. A fissure is a deeper furrow that divides the brain into lobes, and also into the two hemispheres as the longitudinal fissure. [4]

  2. Gyri and Sulci of the Brain - Simply Psychology

    May 7, 2025 · Sulci (singular: sulcus) are the grooves or furrows that separate the gyri. This pattern of folds increases the brain’s surface area, packing in more neurons without increasing the brain’s size.

  3. What Is a Sulcus in the Brain and What Is Its Function?

    Jul 31, 2025 · A sulcus (plural: sulci) refers to a shallow depression or groove found on the cerebral cortex. These grooves separate the raised ridges, known as gyri (singular: gyrus). Together, sulci …

  4. Fissures and Sulci – Human Neuroanatomy

    Identify the major fissures and sulci of the human brain. Fissures or grooves in the surface of the cortex are called sulci (singular, sulcus; Latin, “furrow, groove, ditch, trench”). Deep grooves are called …

  5. SULCUS Definition & Meaning - Merriam-Webster

    The meaning of SULCUS is furrow, groove; especially : a shallow furrow on the surface of the brain separating adjacent convolutions.

  6. SULCUS | English meaning - Cambridge Dictionary

    A palpable nodule or a hard irregular gland with loss of the median sulcus raises the suspicion of cancer.

  7. Sulcus | definition of sulcus by Medical dictionary

    ciliary sulcus A groove situated between the posterior root of the iris and the ciliary body. It may be used, sometimes, as a site of fixation of an intraocular lens implant.

  8. SULCUS Definition & Meaning | Dictionary.com

    SULCUS definition: a furrow or groove. See examples of sulcus used in a sentence.

  9. Brain Sulci: Shaping Cerebral Function and Structure

    Sep 30, 2024 · They’re not just random dents or creases; each sulcus has a specific name, location, and function, working in harmony with its neighboring structures to orchestrate the symphony of human …

  10. Sulcus Definition - Anatomy and Physiology I Key Term | Fiveable

    A sulcus is a shallow groove or furrow on the surface of the brain, marking the division between adjacent gyri (the ridges of the brain). It plays a critical role in increasing the surface area of the cerebral …