The aerosol in this area is very dense.

That dog is reputed to be vicious.

His constitution makes him prone to catching colds.

He has a susceptibility to depression, and tends to get down over little things.

He has cyclothymia, and his mood changes drastically.

This wall is made of chalky material.

The grey matter of the brain is the central part of information processing.

He has psychopathy, making it difficult for him to understand social rules.

Amorphous substances have characteristics different from crystals.

The cytosol is the liquid part inside the cell, and many enzymatic reactions occur here.