In this horizontal section, the ischemic area in the lateral wall of the ventricle is shown in grey.

在此横切面中，心室侧壁缺血区域显示为灰色。

Yet this remarkable rampart forms no headland: it rather walls in an inlet—the promontory on each side being much lower. Thus, far from being salient, its horizontal section is concave.

然而，这个非凡的城墙并没有形成岬角：它更像是一个入口的墙壁——每一边的海角都低得多。因此，它的水平截面远非凸起，而是凹入的。