Dictionary

nocturia Excessive urinating at night. Nocturia can be normal and more common with aging. Nocturia can also be a sign of an underlying condition, such as diabetes or urinary infection.

nocturnal amblyopia See nyctanopia.

nocturnal enuresis See bedwetting.

node A knot, a collection of tissue. For example, a lymph node is a collection of lymphoid tissue. See also nodule.

node, atrioventricular See atrioventricular node.

node, AV See atrioventricular node.

node, Heberden’s See Heberden’s node.

node, SA See sinoatrial node.

node, sentinel lymph See lymph node, sentinel.

node, sinoatrial See sinoatrial node.

node, sinus See sinoatrial node.

nodular Bumpy.