Anatomical Structure

5. one of nine areas of the abdomen created by four imaginary planes; used to locate organs more easily
6. relating to the stomach
9. relating to an outer part
13. the space in the chest between the pleural sacs of the lungs
14. one of four parts created by a medial sagittal plane and a transverse plane passing through the umbilicus at right angles
15. at right angles to a given plane
17. imaginary line indicating a perpendicular direction to the ground
18. extending in the same direction and not meeting

1. to divide into two equal parts
2. imaginary cross-section that divides the body into upper and lower portions
3. of or relating to the head
4. group of organs functioning together within one or more body systems located in one similar area of the body
7. relating to the mouth
8. a cut made through the body in the direction of a certain plane
10. imaginary anatomical dividing lines useful for separating body structures
11. navel; depression in abdomen that marks the former point of attachment of the umbilical cord
12. relating to the inside of the body
16. of, relating to, involving, or lying in the mouth