Author: Glossary

  • Empirical formula

    A chemical formula that indicates the simplest numerical ratio of the elements within a molecule, without demonstrating the molecule’s chemical bonds or structure. For example, the empirical formula for water is H20.  

  • Dental formula

    A brief method of expressing the dentition of mammals in which the numbers of the teeth are given in the form of a fraction, each portion representing one quadrant; the numbers of the upper teeth form the numerator, and those of the lower teeth the denominator.  

  • Formilase

    An enzyme that catalyzes conversion of acetic acid to formic acid.  

  • White forelock

    A white tuft of hair that grows on the forehead. It is associated with Waardenburg syndrome, and is seen in vitiligo.  

  • Forelock

    A lock of hair that grows on the forehead.  

  • Forefoot

    The part of the foot in front of the tarsometatarsal joint.  

  • Forcing function

    Any management device or tool used to limit user errors by prohibiting specific actions without prior use of necessary safety procedures. In nursing a device that stores and dispenses medications and that may prevent the withdrawal of those medications unless the patient’s vital signs or allergy list is recorded by the nurse and found to…

  • Towel forceps

    Sharply pointed clip for holding towels and/or skin.  

  • Tissue forceps

    A pincer-like toothed instrument for grasping delicate tissues.  

  • Needle forceps

    Forceps for grasping and holding a needle.