PATHOLOGY MCQ
CELL DAMAGE
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
|
|
apoptosis
|
|
cytokinesis
|
|
carcinogen
|
|
stem cells
|
Detailed explanation-1: -The cells between your embryonic fingers died in a process called apoptosis, a common form of programmed cell death. In programmed cell death, cells undergo “cellular suicide” when they receive certain cues.
Detailed explanation-2: -Apoptosis, or programmed cell death, is a mechanism in embryonic development that occurs naturally in organisms. Apoptosis is a different process from cell necrosis, which is uncontrolled cell death usually after infection or specific trauma.
Detailed explanation-3: -Apoptosis is programmed cell death. Webbed fingers and toes are abnormal conditions, caused by the absence of apoptosis at the 16th week of gestation, that dissolve the tissues between fingers and toes. Apoptosis leads to removal of old cells and their replacement by new cells.
Detailed explanation-4: -Apoptosis: In order to sculpt the limbs, apoptosis (programmed cell death) is essential. The death of specific cells during autopod development results in non-webbed digits. This cell death is genetically programmed in vertebrate limbs and it is particular during evolution.
Detailed explanation-5: -Programmed cell death plays an important role in the processes of gamete maturation as well as in embryo development, contributing to the appropriate formation of various organs and structures. Apoptosis is one of the mechanisms of action of various cytotoxic agents and teratogens.