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BI221
Anatomical planes and positional terms
Term | Definition |
---|---|
midsagittal | vertical plane along the mid line that separates left from right |
parasagittal | vertical plane that separates left from right into unequal sides |
transverse | vertical plane that separates cranial and caudal sections |
frontal (coronal) | horizontal plane that separates dorsal and ventral sections |
cranial/ anterior | toward head region |
caudal/ posterior | away from head; toward tail |
dorsal/ superior | toward organism's back; generally upper surface |
ventral/ inferior | toward organism's belly; generally lower surface |
rostral | region around nasal area |
anal | region around digestive system's exit from the body |
proximal | toward body's trunk; closer to point of origin |
distal | away from body's trunk; further from the point of origin |
medial | nearer to mid line of the body or mid line of a structure |
lateral | farther from the mid line of the body or the mid line of a structure |
superficial | toward or on surface of the body or surface of a structure |
deep | toward center of body or center of structure |
parietal | pertaining to or forming the outer wall of a body cavity |
visceral | pertaining to the covering of an organ within ventral body cavity |