Category: P

A depression in the center of the optic nerve through which the blood vessels pass; normal cup to disc ratios range from 0.3 to 0.5 of the disk diameter.  

A culture that reveals the suspected organism.  

Spasm, or occupational neurosis, of muscles of fingers and forearms from piano playing. A work-related condition marked by painful muscle spasms in the fingers or hand.  

An electronic device for counting and differentiating cells, platelets, and small particles according to their volume.  

A cough that is deep, seen in pneumonia. It may be hacking and irritating in the early stages of lung infection; in later stages, it is frequent and productive.  

A persistent cough occurring with a sudden onset.  

Cotton fibers from which the oil has been completely removed. This enhances the ability to absorb liquids.  

Spontaneous paroxysmal muscular contractions and relaxation in the postpartum woman.  

A small convolution on the posterior and outer side of the orbital sulcus and continuous with the inferior frontal convolution.  

Any of the folds of the parietal lobe; the largest are the postcentral, superior, supramarginal, and angular.