In this case a puslike exudate is found between the membranes covering the brain.
Thrombi, in some instances, soften in their centers, and are then observed to contain a puslike substance.
If the discharge is sticky and puslike, a deeper difficulty or more advanced irritation is indicated.
late 14c., from Latin pus "pus, matter from a sore;" figuratively "bitterness, malice" (related to puter "rotten;" cf. putrid), from PIE *pu- (2) "to rot, decay" (cf. Sanskrit puyati "rots, stinks," putih "stinking, foul;" Greek puon "discharge from a sore," pythein "to cause to rot;" Gothic fuls, Old English ful "foul"), perhaps originally echoic of a natural exclamation of disgust.
A generally viscous, yellowish-white fluid formed in infected tissue, consisting of white blood cells, cellular debris, and necrotic tissue.