sulcus

/ˈsʌl.kəs/ (bre, ipa) · /ˈsʌl.kəs/ (ame, ipa) · /ˈsəl-kəs How to pronounce sulcus (audio)/ (ame, mw)

sulcus — noun

  • sulcussingular
  • sulcusesplural

1. a narrow groove that runs along the surface of an organ such as the brain, separ

1.名詞C2
釋義

a narrow groove that runs along the surface of an organ such as the brain, separating the raised rounded parts from one another

例句

The MRI scan showed a deep sulcus between two areas of brain tissue.

sulcus + between + two areas (location pattern)

Jiwoo's biology textbook labelled each sulcus and gyrus on the diagram of the brain.

paired with gyrus (raised fold)

同義詞
  • groove

    more general term, not limited to anatomy; a sulcus is a specific type of groove

  • furrow

    more literary or agricultural in tone; less precise in anatomical writing

反義詞
  • gyrus

    the raised ridge of brain tissue between two sulci

文法句型

the sulcus + of + organ

sulcus + between + plural nouns

用法筆記

Frequently paired with gyrus (plural: gyri), the raised ridges between sulci. The plural of sulcus is sulci (pronounced SULL-sye or SULL-kee). This term is almost exclusively used in medical or anatomical descriptions.

常見錯誤

❌The raised area between two sulci is called a sulcus.
✅The raised area between two sulci is called a gyrus.
💡A sulcus is the groove or valley; a gyrus is the raised ridge between sulci.