presensitiˈzation, a. and n.
A. adj. [pre- B. 2.] Existing or occurring before sensitization.
| 1964 W. G. Smith Allergy & Tissue Metabolism ii. 28 These responses rapidly returned to pre-sensitisation levels. |
B. n. [pre- A. 2.] Sensitization beforehand.
| 1977 Lancet 27 Aug. 419/1 Data from patients whose serum had been tested for the presence of lymphocytotoxic antibodies before transplantation against a panel of at least 40 random lymphocyte donors were used in analyses of the effect of humoral presensitisation. |
So preˈsensitize v. trans., to sensitize beforehand; preˈsensitized ppl. a.
| 1963 Lancet 5 Jan. 45/1 In 2-month-old neonatally thymectomised C3H mice, an established Ak skin graft broke down within 12 days after the injection of lymphoid cells from C3H donors presensitised against Ak. 1967 Karch & Buber Offset Processes vi. 230 Presensitized plates are surface coated by the manufacturer and ready for exposure when removed from the original package. 1977 Lancet 27 Aug. 419/1 Recipients whose serum reacted against more than 5% of the panel members were regarded as being presensitised. |