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Unit 1 Part 2 HA
| Term | Definition |
|---|---|
| Superior | toward the head or above another structure | location: the nose is superior to the mouth |
| Inferior | away from the head or below another structure | location: the stomach is inferior to the heart |
| Cephalad (cranial) | toward the head | location: moving upward from the chest toward the head |
| Caudal | toward the tail or lower end of the body | location: moving downward from the chest toward the feet |
| Anterior (ventral) | toward the front of the body | location: the breastbone is anterior to the spine |
| Posterior (dorsal) | toward the back of the body | location: the spine is posterior to the heart |
| Medial | toward the body’s midline | location: the nose is medial to the eyes |
| Lateral | away from the body’s midline | location: the ears are lateral to the nose |
| Proximal | nearer to the trunk or point where a limb attaches | location: the elbow is proximal to the wrist |
| Distal | farther from the trunk or point where a limb attaches | location: the fingers are distal to the elbow |
| Superficial (external) | toward or at the body surface | location: the skin is superficial to the muscles |
| Deep (internal) | away from the body surface; farther inside the body | location: the lungs are deep to the ribs |
| Sagittal plane | a vertical plane that divides the body into right and left portions | location: runs from front to back through the body |
| Median (midsagittal) plane | a sagittal plane that divides the body into equal right and left halves | location: runs directly down the center of the body |
| Parasagittal plane | a sagittal plane that divides the body into unequal right and left portions | location: runs parallel to, but off, the center line of the body |
| Frontal (coronal) plane | a vertical plane that divides the body into anterior and posterior portions | location: separates the front of the body from the back |
| Transverse plane | a horizontal plane that divides the body into superior and inferior portions | location: separates the upper body from the lower body |
| Section | a cut through the body or an organ along an imaginary plane | location: any sliced view of an organ or body part |
| Longitudinal section | a cut made lengthwise along the long axis of a structure | location: lengthwise cut from top to bottom or front to back |
| Cross section | a cut made across the long axis of a structure | location: slice across a structure, like cutting a carrot into round pieces |
| Transverse section | a cross section made along a transverse plane | location: horizontal slice separating upper and lower portions |
| Oblique section | a cut made diagonally, not along the usual planes | location: angled slice through a body part or organ |
Created by:
khondakerr