The doctor tested the serum for any signs of infection.
A clear liquid that separates from blood when it clots.
The lab used a special serum to grow the cells.
A type of liquid used in biological research or medicine.
The researchers collected several seras for their study.
A plural form of serum, referring to multiple types or samples.
We enjoyed the beautiful colors of the sera.
A term used in some languages to refer to evening or dusk.
Com um poderoso dicionário de imagens gratuito e fléxcards.
