Examlex
A fossil shell is filled with mud.The shell dissolves, leaving an impression of its inside surface on the shell-filling lump of mudstone.What type of fossil is this?
Sig
Short for "signatura," a term used in prescriptions indicating the directions for use given to the patient.
Immediately
Without delay; happening right at the moment or very soon after.
Bid
An acronym in medical prescribing that stands for "bis in die" which means "twice a day".
Tid
An acronym in medical prescriptions standing for "ter in die," which means three times a day.
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