humoral

[ hyoo-mer-uhlor, often, yoo- ]

adjective

, Physiology.

1. of, relating to, or proceeding from a fluid of the body.

humoral

/ ˈhjuːmərəl /

adjective

1. immunol denoting or relating to a type of immunity caused by free antibodies circulating in the blood
2. obsolete.
   of or relating to the four bodily fluids (humours)

Word History and Origins

Origin of humoral¹

First recorded in 1375–1425; late Middle English word from Medieval Latin word hūmōrālis. See humor, -al ¹

Example Sentences

The review carried out suggests inactivated vaccines are a safe and affordable option that primarily activate humoral immunity -- the part of our immune system that produces antibodies.

From Science Daily

These vaccines work by triggering both cellular and humoral immune responses against the spike protein of the virus.

From Science Daily

Take humoral theory: In the Middle Ages, the body was thought to consist of four liquid components called humors—blood, yellow bile, black bile, and phlegm.

From National Geographic

Across the whole cohort of 165, evidence of previous natural infection was seen in 8 donors and associated with 691-fold and 4-fold increase in humoral and cellular immune responses, according to the report.

From Reuters

“These results, together with the induction of both humoral and cellular immune responses, support largescale evaluation of this candidate vaccine in an ongoing phase 3 program.”

From Fox News