Singh I
J Anat. 1978 Oct;127(Pt 2):305-10.
The architecture of cancellous bone has been studied in macerated human bones. A number of distinct types of architecture can be recognized as follows: Type I consists of a very delicate meshwork of fine rods. Type II is made up of both rods and plates. Sub-type IIa is a meshwork similar to Type I, but a varying proportion of rad are replaced by delicate plates. Sub-type IIb shows the presence of thin but large fenestrated plates with a well marked orientation in preferred planes; these are interconnected by smaller plates and rods. Sub-type IIc is made up of relatively thick and extensive arranged for the most part parallel to one another, the plates being connected to each other by fine rods. Type III is made up entirely of plates. Delicate plates may form a meshwork in which a directional orientation may or may not be apparent (Sub-type IIIa). Elsewhere better defined, larger plates may enclose tubular spaces (Sub-type IIIb). In some areas (where cancellous bone is very dense) small relatively thick plates enclose irregular spaces; the appearance may closely resemble that of a honeycomb when the spaces are small, but elsewhere the spaces may show a definite directional orientation. The wall of the marrow cavity of long bones is seldom smooth. It is characterized by the presence of plates and rods in various configurations. A distinct marrow cavity is seen in the majority of clavicles examined.
已对浸软的人骨中的松质骨结构进行了研究。可识别出多种不同类型的结构如下：I型由非常细密的细杆网状结构组成。II型由杆和板组成。IIa亚型是一种类似于I型的网状结构，但不同比例的杆被细密的板所取代。IIb亚型显示存在薄但大的有窗孔的板，在优选平面中有明显的取向；这些板通过较小的板和杆相互连接。IIc亚型主要由相对较厚且广泛排列的、大多相互平行的板组成，这些板通过细杆相互连接。III型完全由板组成。细密的板可能形成一种网状结构，其中方向取向可能明显也可能不明显（IIIa亚型）。在其他地方，定义更明确、更大的板可能包围管状空间（IIIb亚型）。在一些区域（松质骨非常致密的地方），相对较厚的小板包围不规则空间；当空间很小时，外观可能与蜂窝非常相似，但在其他地方，空间可能呈现出明确的方向取向。长骨髓腔壁很少是光滑的。其特征是存在各种形态的板和杆。在大多数检查的锁骨中可见明显的骨髓腔。
