ANIMAL TERMS

4. A deep-seated layer of the skin.
5. Away from the midline of the body.
9. The cellular tissue that covers a free surface or lines a tube or cavity, such as skin.
10. The front part of the animal (used in upright animals).
11. The shaft or central part of a long bone.
15. A term used on the head, meaning towards the nose.
16. Further from the surface.
17. Cavity: The hollow space within the shaft of a long bone that contains bone marrow.
18. Plane: A body plane that divides the animal into dorsal and ventral (front and back) parts.
19. Towards the head
21. Along the back or the uppermost surface of the animal.
22. The enlarged, rounded end of a long bone.

1. Toward the midline of the body.
2. Closer to the surface.
3. Plane: A body plane that divides the animal into cranial and caudal (head and tail) parts.
6. A body cavity that develops very early in an embryo and forms the pericardial, pleural, and peritoneal cavities.
7. The rear part of the animal (used in upright animals).
8. Along the belly surface of the animal.
12. Plane: Any body plane parallel to the median plane, which divides the animal into unequal right and left parts.
13. A muscle that, when contracted, decreases the angle between bones, such as the biceps brachii flexes the elbow.
14. Plane/Midline: A body plane that divides the animal into equal, mirrored right and left halves.
16. Further from the point of attachment or origin (away from the body's trunk)
19. Towards the tail.
20. Closer to the point of attachment or origin (usually the body's trunk).