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.
Thabo (Î¤hÎ±'Î²Ï) is a male and female African name meaning Happiness or Joy. It is a common name for South African men. The section History and Origin of this page contains content from the copyrighted Wikipedia article Thabo; that content is used under the GNU Free Documentation License (GFDL).