壁的

The sperm originate in gonial cells (spermatogonia) in the walls of seminiferous tubules.

精子产生于输精管的性母细胞（精原细胞）。

Drupe (pyrenocarp) A fleshy indehiscent fruit containing one or more seeds each surrounded by a hard stony wall, the endocarp.

核果（子囊壳）：是一种肉质闭果，其内含一枚或多枚种子，并且每粒种子被着坚硬的，即内果皮。

Thickening of the arterial wall with malignant hypertension also produces a hyperplastic arteriolitis. The arteriole has an "onion skin" appearance.

恶性高血压引起的增厚发生增生性小炎，小呈洋葱皮样表现。

The results show that high pinning field could be obtained with appropriate thickness and magnetocrystalline anisotropy constant of cell boundary phase.

计算结果表明,只有合适的胞厚度和磁晶各向异性常数才能获得高的钉扎场。

The exine of pollen wall is of different electron density, the nexine dense and the sexine, comprising tectum, bacules, and foot layer, relatively thin.

花粉的外分为外和内，外覆盖、基粒棒和基足等三，内只含一。

Here PMN's that are marginated along the venule wall (arrow) are squeezing through the basement membrane (the process of diapedesis) and spilling out into extravascular space.

图示边集于小静的中性粒细胞（箭头所示）正挤出基底膜（渗出），游走到血管外。

Methods The morphosis of the mesothelium of the parietal pleura in rat were investigated by intrapleura injection with tracers and observed by scanning electron microscope.

方法向大鼠胸膜腔内注射示踪剂,应用扫描电镜方法观察胸膜间皮的形态变化。

TPCO Iron-making Subsidiary adopts a stoppage method of dropping the stock level with vacant stockline to expose the staves inside the blast furnace in order to replace the damaged ones.

介绍了天津钢管制铁有限公司为了更换高炉损坏的冷却,采取了空料线降料面的停炉方法裸露冷却的实践。

The utility model discloses a fanhead of a fanner which is used as the fanhead of a ceiling fan, a desk fan, a floor fan and a wall fan.

本实用新型公开了一种电风扇的扇头，它可用作吊扇、台扇、落地扇和扇的扇头。