Examlex
Macroevolutionary studies address large-scale changes in the frequencies of different allelic forms of genes in natural populations.
Pleural Cavity
The thin fluid-filled space between the two layers of the pleura surrounding each lung.
Air
The undetectable blend of gases encircling the Earth, predominantly made up of oxygen and nitrogen.
Pleural Effusion
The accumulation of excess fluid between the layers of the pleura, the membrane that lines the chest cavity and surrounds the lungs.
Pleural Cavity
The thin fluid-filled space between the two pleural membranes surrounding each lung, providing lubrication during breathing.
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