How the Fallopian Tubes Guide the Egg to the Uterus

The movement of the ovulated egg into the fallopian tube is facilitated by several mechanisms:

1. Cilia: The fallopian tubes are lined with cilia, tiny hair-like projections that beat in a wave-like motion. These cilia create a current that helps to draw the egg into the tube.

2. Peristalsis: Peristalsis is a series of involuntary muscle contractions that occur along the fallopian tubes. These contractions help to propel the egg toward the uterus.

3. Suction: The fimbriae, which are finger-like projections at the end of the fallopian tubes, help to create a suction that draws the egg into the tube.

4. Chemical signals: The release of hormones such as estrogen and progesterone during ovulation can cause the fallopian tubes to contract and create a favorable environment for the egg's transport.