Webster's New World Medical Dictionary

pulmonary syndrome, hantavirus
See 
han-
tavirus pulmonary syndrome.
pulmonary valve
One of the four valves in the
heart, which stands at the opening from the right
ventricle in the pulmonary artery trunk. The pul-
monary valve moves blood toward the lungs and
keeps it from sloshing back from the pulmonary
artery into the heart.
pulmonary vein
One of four vessels that carry
aerated blood from the lungs to the left atrium of the
heart. The pulmonary veins are the only veins that
carry bright-red oxygenated blood.
pulmonology
The study and science of the
anatomy, physiology, and pathology of the lungs.
pulse
The rhythmic dilation of an artery that
results from beating of the heart. Pulse is often
measured by feeling the arteries of the wrist or
neck.
pulse, Corrigan
See 
Corrigan pulse.
pulse, water
-
hammer
See 
Corrigan pulse.
pulse rate
A measure of the number of pulsa-
tions in an artery each minute. Pulse rate is usually
taken at the wrist or neck.
pump
-
oxygenator
See 
heart
-
lung machine.
punch biopsy
A biopsy that is performed by
using a punch, an instrument for cutting and remov-
ing a disk of tissue. For example, a punch biopsy of
the skin may be done to make a diagnosis of skin
cancer.
puncture, ear
See 
ear puncture.
puncture, lumbar
See 
lumbar puncture.
puncture wound
An injury that is caused by a
pointed object that pierces or penetrates the skin.
Puncture wounds carry a danger of tetanus.
pupil
The opening of the iris. The pupil may
appear to open (dilate) and close (constrict), but it
is really the iris that is the prime mover; the pupil is
merely the absence of iris. The pupil determines
how much light is let into the eye. Both pupils are
usually of equal size. If they are not, the condition is
called anisocoria.