Ojo bastones microscope humano cuerpo electron conos microscopio microscopic scanning retina partes ciliar zona cristalino ciliary anatomia elmundo Microscope light parts part diagram function definition diaphragm iris study lesson water source laboratory lab base summary Microscope diagram labelled science use remember
Iris of the human eye as seen through an electronic microscope
Iris of the human eye as seen through an electronic microscope
The microscope’s iris diaphragm: what it does and how it works
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