For doing the IRCTC reservation of the seats for the train journey, the passengers are required to register themselves online at www.irctc.co.in. The website also provides online Indian railways information about the train numbers, train routes, train pnr status, seat availability and train schedule.
[L. down, wooliness, from lana, wool] lanugo The short, downy, colourless hair that covers the fetus from about the fourth month to shortly before the time of birth.
When Down syndrome is suspected in a person, a genetic test called a chromosome analysis is performed on a blood or skin sample to look for an extra chromosome 21 (trisomy 21). Trisomy 21 means that each cell in the body has three copies of chromosome 21 instead of the usual two copies.