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.
There are different types of twins, identical and fraternal being the most common. Identical, or monozygotic, twins develop from the same fertilized egg that splits into two. These twins are...
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, type and the two-egg (dizygotic), or fraternal, type.
Identical twins, also known as monozygotic twins, share the same egg at conception and are always either both boys or both girls. Fraternal twins, also known as dizygotic twins, come from two separate eggs fertilized at the same time. They could be the same sex or different.
TWIN meaning: 1. either of two children born to the same mother on the same occasion: 2. one of two very similar…. Learn more.
Define twin. twin synonyms, twin pronunciation, twin translation, English dictionary definition of twin. n. 1. One of two offspring born at the same birth. 2. One of two identical or similar people, animals, or things; a counterpart. 3. twins Mineralogy Two...
In a basic twin pregnancy, two embryos go their separate ways and develop into twin babies, whether identical or fraternal. Some unique sets of twins follow a different path.