The article reviews the changes of hematoma and ischemic penumbra, brain edema, hyperfibrinolysis after cerebral hemorrhage, and as well as amyloid angiopathy.
First, the edge of the Moon slips in front of the Sun, and we see a little dip in the Sun's limb, its edge as seen from Earth (that's the start of the penumbra sweeping over you).
A partial eclipse occurs when the sun, moon, and Earth are not perfectly aligned so that the penumbra, or lighter outer portion of the moon's shadow, falls on the earth.
Each time it was a beautiful and touching physiognomy, and these transformations were produced suddenly in the penumbra; and for five minutes it was the same face, that could not be compared to that of five minutes before.
His glance explored the melancholy penumbra of the long narrow room, resting on the blotched walls, the discoloured rows of books, and the stern rosewood desk surmounted by the portrait of the young Honorius.
他的目光扫过狭长房间的忧郁半影,靠在斑驳的墙壁, 一排排褪色的书,以及严肃的红木书桌面是年轻的 Honorius 的肖像。
The two sections of the shadow, the dark umbra and the partially shaded penumbra, their placement determines which type of eclipse we can see from Earth.
Right, so that's very much akin to what we were discussing earlier about the notion that there are foundational ideas that are established by tradition with a penumbra of variation around them.