Final answer:
Platelets in mammals appear as microfilaria in a Wright-stain smear, they have nuclei and can be detected on the feathered edge of a blood smear.
Step-by-step explanation:
Platelets in mammals appear as microfilaria in a Wright-stain smear, they also have nuclei and can be detected on the feathered edge of a blood smear.
They do not appear within RBC agglutinations in cases of hemolytic anemia.