斜带髭鲷后肠、头肾和脾脏中肥大细胞超微结构观察

梅景良; 闫琳; 王湘平

斜带髭鲷后肠、头肾和脾脏中肥大细胞超微结构观察

1.
福建农林大学, 动物科学学院, 福建, 福州, 350002
2.
福建农林大学, 测试中心, 福建, 福州, 350002

基金项目: 福建省自然科学基金项目(X0650005)资助

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出版历程
- 收稿日期: 2008-04-09
- 修回日期: 2008-12-15

Ultrastructural observations on the mast cells in hindgut, head kidney and spleen of Hapalogenys nitens

1.
College of Animal Science, Fujian Agriculture and Forestry University, Fuzhou 350002, China
2.
Test Center, Fujian Agriculture and Forestry University, Fuzhou 350002, China

摘要

摘要: 应用电镜技术研究了斜带髭鲷的后肠、头肾及脾脏中肥大细胞的超微结构。结果显示:在所研究的器官组织中均发现有肥大细胞,但以后肠和头肾分布较多;这些肥大细胞的表面具有胞质突起或表面折叠。根据其特征性胞浆颗粒所含特殊亚结构的不同,可初步认为斜带髭鲷肥大细胞可能存在Ⅰ型和Ⅱ型两种亚型。Ⅰ型肥大细胞主要分布于后肠粘膜固有层、粘膜下层和头肾的结缔组织中,其特征性胞浆颗粒具有微粒样特殊亚结构;Ⅱ型肥大细胞仅分布于头肾和脾脏的结缔组织中,其特征性胞浆颗粒则具有漩涡样、线团样、蜂巢样、细粒状、无定形和混合型等多种晶格状特殊亚结构。同时,这两种亚型肥大细胞均存在脱颗粒现象。由观察结果可知,斜带髭鲷后肠、头肾及脾脏中存在大量的肥大细胞,并且其特征性胞浆颗粒具有精细的特殊亚结构。
- 肥大细胞 /
- 胞浆颗粒 /
- 超微结构 /
- 特殊亚结构 /
- 斜带髭鲷
Abstract: The mast cells in hindgut, head kidney and spleen of H apalogenys nitens were investigated by using transmission electron micro scopy.The results showed that mast cells possessing cytoplasmic processes or surface folds were found in all the organs studied, but were especially abundant in hindgut and head kidney.The mast cells perhaps could be classified into two major subtypes by the special substructures of their characteristic cytoplasmic granules and referred to as type Ⅰ and type Ⅱ mast cells.The cytoplasmic granules with tiny particulate substructure were characteristic of the type Ⅰ mast cells, which distributed mainly in the lamina propria and submucosa layers of the hindgut and in the connective tissues of the head kidney.And the type Ⅱ mast cells locating only in the connective tissues of the head kidney and spleen were characterized by their cytoplasmic granules exhibiting a variety of crystalline substructural patterns, such as whorl, thread, honeycomb, particulate, amorphism, and mixture of these substructural patterns.The degranulation was also found in the two subtypes of mast cells.Our results demonst rate that numerous mast cells containing characteristic cytoplasmic granules with delicate special substructures are present in hindgut, head kidney and spleen of H apalogenys nitens.
- mast cell /
- cytoplasmic granule /
- ultrast ructure /
- special substructure /
- H apalogenys nitens

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