GENERAL HISTOLOGY

OESOPHAGUS STOMACH

ECHINODERMS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Define regeneration
A
To die and live again
B
The regrowth of limbs and organs
C
To explore the ocean
D
To reproduce
Explanation: 

Detailed explanation-1: -Regeneration is the natural process of replacing or restoring damaged or missing cells, tissues, organs, and even entire body parts to full function in plants and animals. Scientists are studying regeneration for its potential uses in medicine, such as treating a variety of injuries and diseases.

Detailed explanation-2: -Limb regeneration is possibly the most extreme example of regeneration among vertebrates. If an axolotl limb is amputated at any level, the missing portion regenerates in near perfect fashion within months. Click below to view a time-lapse movie of a regenerating axolotl leg.

Detailed explanation-3: -Regeneration is one of the processes in which if an organism is cut into several pieces, each of its parts regrows to the original state. This process is carried out by specialized cells called stem cells. It takes place in organisms that have a very simple structure with very few specialized cells.

Detailed explanation-4: -Organ regeneration is the process of implanting or integrating man-made material into a human to replace natural organs or tissues. Its purpose is to restore a specific function or group of related functions, so the patient may return to a normal life.

Detailed explanation-5: -Regeneration is the ability of organisms to generate lost or damaged body parts. Many fully differentiated organisms show the ability of regeneration. If planaria is cut into small pieces, then each piece develops into a new planaria. Regeneration is carried out by specialised cells.

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