Deep is the medical term meaning far from the surface.
Subterranean means existing, situated, or operating below the surface of the earth. It is often used to describe things that are underground or hidden from view.
Inferior is the medical term meaning below; the medical terminology combining form is infra-.
Submandibular is the medical term meaning below the lower jaw, or mandible.
Sub- is the prefix of the term subdermal, meaning below the skin.
infrapulmonary
to go naked,especially below the waist
Antarctica is situated below the equator at the South Pole.
Hypothalamic means under or below the thalamus.
Anticoagulant ~ see related link below .
hypochondriac
No, granite forms deep within the Earth's crust from the slow cooling of magma. It is an intrusive igneous rock, meaning it forms below the surface.
It is in the mantle, consisting of the upper and lower mantle, which measures about 2855 km. It is situated below the Earth's crust, about 35km from Earth's surface.