English Dictionary

posterior triangle

名詞

(anatomy) A triangular region that is a landmark in the neck, has its apex above at the occipital bone, and is bounded in front by the sternocleidomastoid muscle, behind by the anterior margin of the trapezius, and inferiorly by the middle third of the clavicle.

日本語の意味

解剖学における用語で、頸部に位置する三角形の領域を指します。上部は後頭骨を頂点とし、前方は胸鎖乳突筋、後方は僧帽筋の前縁、下方は鎖骨中部によって境界づけられる領域です。

During the physical exam, the clinician carefully palpated the posterior triangle to check for enlarged lymph nodes.

診察の際、医師は腫大したリンパ節がないか確認するために、前は胸鎖乳突筋、後は僧帽筋の前縁、下は鎖骨中部三分の一に囲まれた頸部の三角領域（後頸三角）を丁寧に触診した。

意味（1）

(anatomy) A triangular region that is a landmark in the neck, has its apex above at the occipital bone, and is bounded in front by the sternocleidomastoid muscle, behind by the anterior margin of the trapezius, and inferiorly by the middle third of the clavicle.

Meronyms: occipital triangle, supraclavicular triangle

posterior triangles （ plural ）