Assertion: endoscope's source | /r/HasProperty | positioned inside the patient
Facets:
value: interestingly
type: MANNER
Source sentences:
text: Some of the key bits include 1) Light source (interestingly, still positioned inside the patient); 2) Prism; 3) Focusing lenses; 4) Gear-driven focusing mechanism (shown in more detail in the pullout illustration); 5) Optical fibers surrounded by protective waterproof and air-proof membrane; 6) Metal shell that transmits forces down the tube, allowing it to be manipulated along its entire length by twisting and turning; 7) Air tube allows the body cavity to be inflated; 8) Eyepiece lenses.