Sub- is the prefix of the term subdermal, meaning below the skin.
below
Africa below the sahara.
Hypothalamic means under or below the thalamus.
IR
Inferior is the term that refers to a structure located below the transverse plane. Adentis is the term that means inflammation of a gland.
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contraband
The prefix "sub-" most closely means under, up, or from below.
It is called Jihad. Refer to related question below.
salary