sulcus lateralis cerebri
Học thuậtThân thiện
The sulcus lateralis cerebri is clearly visible on this anatomical model of the human brain.
Definition
Noun: - The deepest and most prominent of the cortical fissures; separates the frontal lobes and temporal lobes in both hemispheres: The sulcus lateralis cerebri is a major anatomical landmark in the human brain. It is a deep groove (sulcus) on the lateral surface of each cerebral hemisphere, creating a clear boundary between the frontal lobe and the temporal lobe.
Usage Notes
- This is a highly specialized anatomical term used primarily in neuroscience, medicine, and biology.
- It is often referred to by its more common name, the lateral sulcus or Sylvian fissure.
- The term is typically used in academic, clinical, or descriptive contexts when discussing brain structure, function, or pathology.
Examples
- In an anatomy textbook: "The is one of the earliest-developing fissures in the human fetal brain."
- In a medical report: "The MRI scan shows a small anomaly near the on the right hemisphere."
- In a neuroscience lecture: "Important language functions are localized in the cortex bordering the ."
Advanced Usage
- The is not just a surface feature; it contains buried cortical regions, most notably the insula (or Island of Reil), which is concealed within its depths.
- In neuroimaging and neurosurgery, it serves as a critical landmark for orienting and planning procedures.
Variants and Related Words
- Lateral sulcus: The most common English equivalent term.
- Sylvian fissure: An eponymous term named after Franciscus Sylvius, a 17th-century physician. This is frequently used in clinical settings.
- Fissura lateralis cerebri: The Latin term from which "sulcus lateralis cerebri" is derived.
- Sulcus (plural: sulci): A general term for a groove or furrow on the surface of the brain.
- Fissure: A deep sulcus, often used interchangeably with "sulcus" for major grooves like this one.
Synonyms
- Lateral sulcus
- Sylvian fissure
- Fissura Sylvii
Note: While these terms refer to the same anatomical structure, "sulcus lateralis cerebri" is the precise, formal neuroanatomical name.
The sulcus lateralis cerebri is clearly visible on this anatomical model of the human brain.
Noun
- the deepest and most prominent of the cortical fissures; separates the frontal lobes and temporal lobes in both hemispheres