- hyperthymism
- Excessive activity of the thymus gland; formerly postulated to be a causal factor in certain instances of unexpected and sudden death, such as status thymicolymphaticus. SYN: hyperthymization.
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hy·per·thy·mism (hi″pər-thiґmiz-əm) a condition attributed to excessive activity of the thymus gland.
Medical dictionary. 2011.