Usually, it's because the sperm gets into the fallopian tube before the egg is released. Once there, the sperm wait for an egg to arrive. After fertilization, it can take 5-10 days for the fertilized egg to begin to attach itself to the lining of the uterus. Pregnancy begins when this happens.
The arrangement of spikes originally had no distinct name; the term Thagomizer was coined in 1982 by cartoonist Gary Larson in his comic The Far Side, and thereafter became gradually adopted as an informal term within scientific circles, research, and education.
Well, it doesnât mean âugh,â the commonly used interjection of disgust or dislike that was first recorded in 1837. The word may have derived from fug boots that were worn by aviators in rural Australia during World War I. The term is believed to be a shortened version of âflying ugg boots.â. The owner of one company that has been making the boots since the late 1950s claims that he invented the name. He says that his inspiration came from his wife, who called the boots ugly.