Abnormally low cholesterol is called hypocholesterolemia.
Hypothermia is the medical term meaning low temperature.
Hypothyroidism is a medical term meaning abnormally low thyroid function.
Cytopenia is the medical term meaning low numbers of blood cells.
Bradycardia is the medical term meaning abnormally low heart rate.
Hematocytopenia is the medical term meaning low red blood cell count. In the US, we usually use the word anemia.
hypoparathyroidism
Hypocalcemia is the condition resulting from abnormally low levels of calcium in the blood.
The medical term is Osteoporosis.
Cyanotic is a medical term meaning blue discoloration due to low oxygen levels in the tissues.
An arcus is a medical term for a white band of cholesterol which forms at the edge of the cornea, or a meteorological term for a low horizontal cloud forming at the leading edge of thunderstorm outflow.
The medical condition for being short of blood is anemia. Having it makes a person anemic.
Hypoalbuminemia is a decreased amount of albumin in the blood.