rectal thermometer

"I'll need to take your temperature. No, not with your mouth."
A medical instrument used to measure a person's body temperature by inserting it into their anus. They are commonly used for infants, young children, and adults who are unable to get their temperature taken with a medical thermometer for their mouth such as being unconscious or they can't take their own temperature.

The following tags are aliased to this tag: anal_thermometer, anus_thermometer, ass_thermometer, butt_thermometer, rectum_thermometer (learn more).

This tag implicates medical_thermometer (learn more).