The phrase "a blood drop" is correct and usable in written English.
It can be used in contexts related to medical, scientific, or descriptive writing, particularly when referring to a small amount of blood that has fallen or is being measured.
Example: "The technician carefully examined a blood drop under the microscope to check for any abnormalities."
Alternatives: "a drop of blood" or "a droplet of blood".
or a blood drop, a Klan insignia.
Health workers can request a blood drop via text message, and it arrives around 30 minutes later.
Testifying for the first time about test results that prosecutors say link O.J. Simpson to a pair of brutal murders, a police chemist said Tuesday that a blood drop near the scene of the crime contains some characteristics identical to Simpson's while stains discovered in his bedroom could have come from his murdered ex-wife.
The manufacturer warns the user against vigorous squeezing of the finger to obtain a blood drop.
Lab events (red) were represented with a blood drop icon, indicating availability of a new blood test/lab result.
Each time, FBS was measured from a blood drop collected from the rat's tail, using a glucometer (Accucheck, USA).
Writing verse meant perpetually discovering new and intricate fascinations, though nature often became sinister (a ladybird "slides like a blood-drop down a spear of grass") and left no consolation for losses such as the death of her son by drowning: There was singing in the sap that ended in his green death playing by the river.
A second blood drop was deposited on a slide with a pen nib for indirect immunofluorescence detection using an anti-Y.
And this latest genetic material matches other male DNA previously gathered from a single blood drop found in Jon Benet's underwear.
A new generation POCT detecting IgA-tissue antitransglutaminase antibodies and IgA deficiency in a finger-tip blood drop was used.
A blood pressure drop after bevacizumab administration and its clinical significance have not been previously reported.
