Notes on Directional Terms

Notes on Directional Terms - Directional Terms Anterior and...

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Directional Terms Anterior and posterior – Anterior means front or in front of. Posterior means back or in back of. -Sagittal plane – a lengthwise plane running from front to back; divide the body or any of its parts into right and left sides. If a sagittal section is made in the exact midline, resulting in equal and symmetrical right and left halves, the place is called a median sagittal plane or midsagittal plane. -Coronal plane – a lengthwise plane running from side to side; divides the body or any of its parts into anterior and posterior portions, also called a frontal plane - Transverse plane – a crosswise plane; divides the body or any of its parts into upper and lower parts; also called a horizontal plane -One of the most unifying and important concepts of the study of anatomy and physiology is the principle of complementarity of structure and function.
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Unformatted text preview: -The relationships between the levels of structural organization will take on added meaning. -Structure determines function, and function influences the actual anatomy of an organism over time. -Current research in the study of human biology is now focused in large part on integration, interaction, development, modification, and control of functioning body structures. -More than a century ago, a great French physiologist, Claude Bernard, made a remarkable observation. He noted that body cells survived in a healthy condition only when the temperature, pressure, and chemical composition of their fluid environment remained relatively constant. -In a healthy individual, body temperature will remain at or very near normal regardless or temperature changes that may occur in the external environment....
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  • Spring '12
  • DanielKusto
  • Anatomy, Anatomical terms of location, Coronal plane, Sagittal plane, Median Sagittal Plane, lengthwise plane

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