In this task, you will be given a sentence. You need to reconize the name of the disorder or disease. Disease is a disorder of structure or function in a human, animal, or plant, especially one that produces specific symptoms or that affects a specific location and is not simply a direct result of physical injury. Although there might be several correct answers, you need to write one of them.

[EX Q]:  These results indicate that Smad4 is initially required for the differentiation of the visceral endoderm and that the gastrulation defect in the epiblast is secondary and non - cell autonomous .
[EX A]: gastrulation defect

[EX Q]:  This mutation may be valuable for developing models of dominantly inherited neurodegeneration , as the early age of onset of symptoms suggests that this mutation may be particularly deleterious to the magnocellular neuron . .
[EX A]: dominantly inherited neurodegeneration

[EX Q]:  The mutation is in an area of the gene that encodes the protein - binding region known as the pocket region and has been detected in other cases of retinoblastoma . .
[EX A]:
retinoblastoma