V2EX osteon

Osteon

释义 Definition

osteon(骨单位/哈弗斯系统):紧密骨(致密骨)中的基本结构单位,由同心圆状排列的骨板(lamellae)围绕中央管(哈弗斯管,Haversian canal)组成,中央管内含血管与神经,用于营养供应与代谢交换。(也有教材把“骨单位”与“哈弗斯系统”近似同义使用。)

发音 Pronunciation

/stin/ (英); /stin/ (美)

例句 Examples

The osteon is a key structural unit of compact bone.
骨单位是致密骨的关键结构单位。

Under the microscope, each osteon appears as concentric rings around a central canal that carries blood vessels.
在显微镜下,每个骨单位看起来像围绕中央管的同心圆环,而中央管内有血管通过。

词源 Etymology

来自希腊语 osteon,意为“骨头”。现代解剖学与组织学中借用该词来指代致密骨内具有典型同心层板结构的“骨的结构单位”。

相关词 Related Words

文学与经典著作中的用例 Literary Works

  • 《Junqueira’s Basic Histology》(《Junqueira 基础组织学》):在骨组织章节中用 osteon 解释致密骨的显微结构与中央管系统。
  • 《Gray’s Anatomy》(《格雷氏解剖学》):在骨与骨皮质结构讨论中出现 osteon,用于描述骨的微观层级。
  • 《Principles of Anatomy and Physiology》(Tortora & Derrickson):在骨组织与骨重建内容中使用 osteon 讲解骨板、中央管与营养供应关系。
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