Innate, inherent, inseparable from the thing itself, essential.
Built-in.
Situated, produced, secreted in, or coming from inside an organ, tissue, muscle or member.
A built-in function that is implemented directly by the compiler, without any intermediate call to a library.
An ability possessed by a character and not requiring any external equipment.
Of greatest importance; primary.
Being the first in time or in history.
Being one of the pieces of meat initially separated from the carcass during butchering, prior to division into smaller cuts.
A primal cut (of meat).
To take part in primal therapy.