Wiktionary
vasocongestion
n. The swelling of bodily tissues caused by increased vascular blood flow and a localized increase in blood pressure.
Wikipedia
Vasocongestion
Vasocongestion is the swelling of bodily tissues caused by increased vascular blood flow and a localized increase in blood pressure. Typical causes of vasocongestion in humans includes menstruation, sexual arousal, REM sleep, strong emotions, illnesses and allergic reactions.
Usage examples of "vasocongestion".
She hadn’t really increased her breast mass all that much, maybe ten or twelve grams, but now vasocongestion had begun to swell them even more.