| plasma cell |
a cell that develops from a B lymphocyte in reaction to a specific antigen; found in bone marrow and sometimes in the blood
Ãâó: wordnet.princeton.edu/perl/webwn
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|---|---|
| platelet |
tiny bits of protoplasm found in vertebrate blood; essential for blood clotting
Ãâó: wordnet.princeton.edu/perl/webwn
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| planaria |
planarian: free-swimming mostly freshwater flatworms; popular in laboratory studies for the ability to regenerate lost parts
Ãâó: wordnet.princeton.edu/perl/webwn
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| plasma membrane |
cell membrane: a thin membrane (a double layer of lipids) enclosing the cytoplasm of a cell; proteins in the membrane control passage of ions (like sodium or potassium or calcium) in and out of the cell; "all cells have a cell membrane"
Ãâó: wordnet.princeton.edu/perl/webwn
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| plateletpheresis |
platelets are separated from whole blood and the rest is returned to the donor
Ãâó: wordnet.princeton.edu/perl/webwn
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