The structural layers of a photovoltaic solar panel and the main components of a grid-tied residential solar energy system.

The structural components of a mitochondrion, including its membranes, internal compartments, and molecular machinery.

The major anterior and posterior muscles of the shoulder, rotator cuff, and upper arm.

The major peripheral nerve branches originating from the lumbar and sacral nerve plexuses.

The muscular, fibrous, skeletal, and neural structures of the orbit and eyelids in anterior dissection.

Essential structural features of epithelial sheets, cell polarity, junctions, and exocrine glandular units.

Standard topographic anatomical surface regions of the upper extremity shown in anterior and posterior projections.

The neural pathway and anatomical structures of the monosynaptic stretch reflex and reciprocal inhibition during the knee-jerk reflex.

Main surface anatomical regions and features of the human face.