GENERAL HISTOLOGY

OESOPHAGUS STOMACH

ECHINODERMS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
The fact that starfish regenerate with stem cells implies which of the following about human medicine?
A
The use of starfish stem cells may be used to grow plants.
B
The use of starfish stem cells may be used to grow human parts.
C
The use of starfish stem cells may be used to remediate the soil.
D
The use of starfish stem cells may be used to harvest human body cells.
Explanation: 

Detailed explanation-1: -Some animals are known for their ability to regrow – or regenerate – body parts following dramatic injury. Starfish are among the most famous and dramatic examples, being able to grow an entire new body from just a single arm. Starfish also have the ability to regenerate neurons, something not seen in many animals.

Detailed explanation-2: -And they most definitely can’t turn into a different kind of cell. But this is not the case with starfish. Notably, if a starfish loses one of its arms, it can grow it back just the same. This is due to the starfish’s unique cells, which can de-differentiate themselves from skin or muscle cells back into stem cells.

Detailed explanation-3: -In stem cell transplants, stem cells replace cells damaged by chemotherapy or disease or serve as a way for the donor’s immune system to fight some types of cancer and blood-related diseases, such as leukemia, lymphoma, neuroblastoma and multiple myeloma.

Detailed explanation-4: -For starters, they are among the few species on the planet that can regenerate their arms. They can do this because of two reasons: Because they house their vital organs in their central disc, and because they have what scientists call ‘indeterminate stem cells’.

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