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1. This is our standard frame of reference when describing the body. This standard position can be described as:  Standing up straight so the body is.

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Presentation on theme: "1. This is our standard frame of reference when describing the body. This standard position can be described as:  Standing up straight so the body is."— Presentation transcript:

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2 This is our standard frame of reference when describing the body. This standard position can be described as:  Standing up straight so the body is erect and facing forward  Holding the arms at the sides with the hands turned with the palms facing forward. 2

3 …are used to describe the locations of the stuctural units of the body. There are several ways to describe the location of body parts: Body Planes Body Directions Body Cavities 3

4 Imaginary lines used to divide the body into sections for descriptive purposes. The planes are in reference to anatomic position Vertical planes (up and down)  Midsagittal (also known as midline) divides the body into equal left and right halves  Sagittal plane is a vertical line that divides the body into unequal left and right portions  Frontal plane (also known as coronal plane) divides the body into front (anterior) and back (posterior) portions. 4

5  Horizontal Plane (side to side plane)  Transverse plane divides the body into upper (superior) and lower (inferior) portions. It can be at waist-level or any other level across the body. 5

6 Directional TermOpposite Directional Term Ventral: front or belly sideDorsal: back of the body or organ Anterior: situated in frontPosterior: situated in the back Superior: upper most, above, toward the head Inferior: lowermost, below or toward the feet Cephalic: toward to the headCaudal: toward the lower part of the body or tail Proximal: situated nearest the midline or beginning of a body structure (usually compares structures on upper or lower limbs) Distal: Situated farthest from the midline or beginning of a body structure (usually compares structures on upper or lower limbs) Medial: The direction toward or nearer the midline. Lateral: Direction toward or nearer the side and away from the midline Bilateral: relating to, or having, both sides 6

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9 A body cavity is a space within the body that contains and protects internal organs. Can you name one organ found in each cavity? 9


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