V2EX dorsum

Dorsum

释义 Definition

dorsum(名词,解剖/生物)指背部;背面;某个器官或结构的“背侧表面”(如手背、舌背、足背等)。在医学与动物学语境中更常见。(也可泛指“隆起的背脊/背梁”,如某些动物或结构的背部隆起。)

发音 Pronunciation

/dr.sm/(英) , /dr.sm/(美)

例句 Examples

The insect has a dark stripe on its dorsum.
这只昆虫的背面有一条深色条纹。

In clinical notes, the rash was described as spreading across the dorsum of the hand and up the forearm.
在临床记录中,皮疹被描述为从手背蔓延到前臂。

词源 Etymology

来自拉丁语 dorsum,意为“背、脊”。该词进入英语后主要保留在解剖学、动物学、昆虫学等专业语域中,用来精确指称“背侧/背面”,与 ventrum(腹面)相对。

相关词 Related Words

文学与著作 Literary Works

  • 《Gray’s Anatomy》(格雷氏解剖学):在描述手、足、舌等结构时常用 dorsum 指“背侧表面”(如 dorsum of the hand)。
  • 《The Anatomy of the Human Body》(Henry Gray):作为经典解剖学著作体系的一部分,dorsum 用于规范的方位描述与解剖命名。
  • 《On the Variation of Animals and Plants under Domestication》(Charles Darwin):在某些动物形态描述中可见拉丁/解剖取向术语体系的影响(相关章节常与 dorsal、背侧形态表述并见)。
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