Abody part lost its original function through evolution what is the vocabulary term

The body parts which are present in reduced form in the body and have lost their function in the body because of evolution are called vestigial organs.

Explanation:

The vestigial or rudimentary organs are the remnants of the structures or organs which might have been large and functional in the ancestors, or the organisms from which the present-day organisms have evolved. These vestigial organs are often undersized, degenerated and non-functional.

1.Examples of vestigial organs in humans ( Figure 1)

2. Examples of vestigial organs in other animals (Figure 2)

advantage of using stem cells in medical research:

1.       it provides medical benefits in the fields of therapeutic cloning and regenerative medicine.

2. it provides great potential for discovering treatments and cures to a variety of diseases including parkinson disease, spinal cord injuries, diabetes, alzheimer’s disease and many more.

3. limbs and organ could be grown in lab from stem cells and then used in transplant or treat illness.