Sulcus meaning

A sulcus is defined as a narrow groove or furrow, especially in the surface of the brain.


Sulcus definitions

Word backwards suclus
Part of speech Noun
Syllabic division sul-cus
Plural The plural of the word "sulcus" is "sulci."
Total letters 6
Vogais (1) u
Consonants (3) s,l,c

A sulcus, also known as a groove or furrow, is a depression or incision in the surface of an organ or tissue in the body. It is a natural anatomical feature found in various parts of the body, including the brain, heart, and joints.

Brain Sulcus

In the brain, sulci are the small grooves or furrows that divide the cerebral cortex into different regions. These sulci play a crucial role in increasing the surface area of the brain, allowing for more cognitive functions and complex thinking processes. The depth and pattern of sulci in the brain can vary significantly between individuals.

Heart Sulcus

Within the heart, sulci are the grooves present on its surface that separate the chambers and major blood vessels. These sulci contain fat and blood vessels and serve as important landmarks for cardiac surgeons during procedures. The coronary sulcus, for example, separates the atria above and the ventricles below.

Joints Sulcus

When it comes to joints in the body, a sulcus refers to a groove or depression within the joint space. This term is commonly used in orthopedics and physical therapy to describe specific anatomical features or pathologies. For example, the trochlear sulcus in the knee is where the patella articulates with the femur.

Sulci can provide valuable information about the structure and function of different organs or tissues in the body. Understanding the significance of these grooves helps healthcare professionals in diagnosing and treating various conditions effectively.


Sulcus Examples

  1. The sulcus on the surface of the brain was clearly visible in the MRI scan.
  2. The dentist noticed a deep sulcus between the teeth, indicating gum disease.
  3. The botanist studied the sulcus of the plant's leaves to identify its species.
  4. The geologist pointed out the sulcus in the rock formation as a sign of erosion.
  5. During the dissection, the biologist observed the sulcus in the muscle tissue.
  6. The archeologist found a sulcus on the ancient relic, hinting at its purpose.
  7. The neurologist focused on the sulcus of the patient's brain to diagnose abnormalities.
  8. The botanist discovered a unique sulcus pattern on the tree bark.
  9. The carver carefully sculpted the sulcus in the marble statue, adding intricate detail.
  10. The paleontologist analyzed the sulcus on the dinosaur fossil to learn about its movement.


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  • Updated 25/06/2024 - 00:12:25