Category: O

A condition in which the amnion surrounding the fetus contains too little amniotic fluid. A condition of having too little amniotic fluid during a pregnancy. An abnormally small amount of amniotic fluid (the fluid that surrounds the fetus in the uterus during pregnancy). Mild oligohydramnios is usually not a serious problem but severe oligohydramnios often…

A congenital condition in which a baby is born without some fingers or toes.  

A condition in which a person has too little blood in his or her circulatory system. A diminution of the quantity of blood in the circulation.  

A nerve tract which takes the olfactory nerve from the nose to the brain. A narrow white band that extends from the olfactory bulb to the anterior perforated substance of the brain.  

The parts of the cerebral cortex which receive information about smell. The portion of the cerebral cortex concerned with the sense of smell. It includes the piriform lobe and the hippocampal formation.  

The end of the olfactory tract, where the processes of the sensory cells in the nose are linked to the fibres of the olfactory nerve. An anterior enlargement of the olfactory tract. The enlargement located at the termination of each olfactory nerve, responsible for the sense of smell. These bulbs are situated on the underside…

Containing or resembling oil.  

In a way that is approved by an authority.  

Any drug listed in the national pharmacopoiea.  

Accepted or permitted by an authority. Constituting an authority. Said of medicines authorized as standard in the U.S. Pharmacopeia and in the National Formulary.