One twin, the 'donor' twin, is small and anemic, the other, the 'recipient' twin, is large and polycythemic. The lives of both twins are endangered by this condition.

The meaning of TWIN is either of two offspring produced in the same pregnancy. How to use twin in a sentence.

Twin definition: either of two children or animals brought forth at a birth.. See examples of TWIN used in a sentence.

Mar 15, 2023 · Fraternal and identical are the most common types of twins. Other types include conjoined twins, half-identical twins and others.

1. Being two or one of two offspring born at the same birth: twin sisters. 2. Being two or one of two identical or similar people, animals, or things: twin cities; a twin bed. 3. Botany Of or relating to …

TWIN meaning: 1. either of two children born to the same mother on the same occasion: 2. one of two very similar…. Learn more.

Oct 8, 2025 · Twin, either of two young who are simultaneously born from one mother. Twinning, common in many animals, is of two biological kinds: the one-egg (monozygotic), or identical, …

3 days ago · twin (third-person singular simple present twins, present participle twinning, simple past and past participle twinned) (transitive, obsolete outside Scotland) To separate, divide.

The special relationship between twins allows researchers to examine the differences between genetic and environmental influences over both physical and mental health, as well as traits …

Sep 23, 2024 · Do twins run in families? Find out what you need to know about how hereditary twins are.