An endowment is a fund that is restricted. Only the interest from the fund can be spent, not the principal that anchors the endowment. Usually, only a portion of the interest or earnings from the endowment (typically five percent) can be spent annually to make sure that the original funds grow over time.
Hearing. The external ear, also called the auricle or pinna, is the loop of cartilage and skin that is attached to outside of the head. It works much like a megaphone. Sound is funneled through the external ear and piped into the external auditory canal, according to Nebraska Medicine.
The External Ear. The external ear has two parts: the PINNA which is the outside portion of the ear that is visible on the side of the head, and the EXTERNAL AUDITORY MEATUS (ear canal) that extends from the pinna to the TYMPANIC MEMBRANE (abbreviated TM and is commonly referred to as the eardrum).he External Ear. The external ear has two parts: the PINNA which is the outside portion of the ear that is visible on the side of the head, and the EXTERNAL AUDITORY MEATUS (ear canal) that extends from the pinna to the TYMPANIC MEMBRANE (abbreviated TM and is commonly referred to as the eardrum).