gray substance greyish nervous tissue containing cell bodies as well as fibers; forms the cerebral cortex consisting of unmyelinated neurons
plant substance material derived from plants
grey substance greyish nervous tissue containing cell bodies as well as fibers; forms the cerebral cortex consisting of unmyelinated neurons
ground substance the body substance in which tissue cells are embedded
humic substance an organic residue of decaying organic matter
body substance the substance of the body
poisonous substance any substance that causes injury or illness or death of a living organism
circumstances one's overall condition in life
living substance the substance of a living cell
substance the real physical matter of which a person or thing consists
primary source a firsthand document that provides information
resistance any mechanical force that tends to slow or oppose motion
chemical substance material produced by or used in a reaction involving changes in atoms or molecules
urinary hesitancy difficulty in beginning the flow of urine
passive resistance peaceful resistance to a government by fasting or refusing to cooperate
lubricating substance a substance capable of reducing friction by making surfaces smooth or slippery
Primula sinensis cultivated Asiatic primrose
piece de resistance the outstanding item in a collection
pulmonary stenosis abnormal narrowing of the opening into the pulmonary artery from the right ventricle
primrose jasmine evergreen rambling yellow-flowered shrub of western China