outermost

BCC begins with abnormal growth of basal cells, which produce new skin cells when old ones die, on the outermost layer of the skin.

The outermost layer of the lava flow will almost immediately cool and form a crust, but the interior of the lava flow can remain molten for a time, Chadwick said.

Greenland’s forbidding environment, at the outermost boundary of the European and North American world, have long made it one of the strangest places on earth.

Studying CMEs – massive fireballs that blow out of the Sun’s outermost corona layer – is one of the most important scientific objectives of India’s maiden solar mission.

The brain's functional properties arise from the varied cell types within its cortex, the outermost layer responsible for many complex mental tasks.