[3] In microanatomy, fenestrae are found in endothelium of fenestrated capillaries, enabling the rapid exchange of molecules between the blood and surrounding tissue.
In surgery, a fenestration is a new opening made in a part of the body to enable drainage or access.
Examples of fenestrate structures in the fungal kingdom include the symmetrically arranged gaps in the indusium ("skirt") of the mushroom Phallus duplicatus,[6] and the thallus of the coral lichen Pulchrocladia retipora.
These broad groupings of amniotes are most easily differentiated by the presence and number of holes in the skull behind the eye socket.
The diapsids [including lizards, dinosaurs, and birds] have two fenestrae in their skulls, one directly behind the eye socket and one just slightly above.