L04 - NATS1610-fw1718 - The Organization of the Human Body.pdf

Fig 14a from tortora and grabowski introduction to

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Fig. 1.4a - from Tortora and Grabowski, Introduction to the Human Body, 6ed, Wiley
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18 DIRECTIONAL TERMS : used to indicate the relationship of one body part to another (relative position) n Superior - towards the head, or the upper part of a structure n Inferior - towards the feet, or the lower part of a structure n Anterior/Ventral - nearer to or at the front of the body n Posterior/Dorsal - nearer to or at the back of the body n Superficial - toward or on body surface n Deep - away from surface of body n Internal - inside body or structure n External - outside body or structure n Medial - nearer to the midline n Lateral - farther from body midline n Intermediate - between 2 structures n Proximal - nearer to the attachment of a limb to the trunk n Distal - farther from the attachment of a limb to the trunk n Ipsi-lateral - same side n Contra-lateral - other side
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19 Fig. 1.5 - from Tortora and Grabowski, Introduction to the Human Body , 6ed, Wiley
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20 Review of the DIRECTIONAL TERMS: What do you remember? n Superior n Inferior n Anterior/Ventral n Posterior/Dorsal n Superficial n Deep n Internal n External n Medial n Lateral n Intermediate n Proximal n Distal n Ipsi-lateral n Contra-lateral
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21 BODY PLANES & SECTIONS are imaginary flat surfaces that pass through the body parts n Sagittal (median) - vertical plane dividing body into R&L sides n Midsagittal - when R&L sides are equal in size n Parasagittal - when R&L sides are unequal in size n Frontal (coronal) - divides body or organ into anterior & posterior portions n Transverse (horizontal) - divides the body into superior & inferior portions n Oblique – on an angle Upper – Fig. 1.6 - from Tortora and Grabowski, Introduction to the Human Body, 6ed, Wiley Lower – Fig. 1.7 - from Tortora and Grabowski, I ntroduction to the Human Body , 6ed, Wiley
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22 Review: BODY PLANES & SECTIONS What do you remember? n Sagittal (median) n Midsagittal n Parasagittal n Frontal (coronal) n Transverse (horizontal) n Oblique
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What are the terms for: n 1. Vertical plane dividing body into Right & Left sides n 2. Towards the feet, or the lower part of a structure n 3. Nearer to the attachment of a limb to the trunk n 4. Farther from the attachment of a limb to the trunk n 5. Divides body or organ into anterior & posterior portions Reviewing the Definitions
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The Body Cavities 24
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25 The human body is divided into 2 major BODY CAVITIES 1. The Dorsal Cavity (aka Posterior Cavity) n divided into 2 parts n Cranial cavity n Vertebral canal (spinal cavity) 2. The Ventral Cavity (aka Anterior Cavity) n divided into 2 parts n Thoracic cavity n Abdominopelvic cavity n Abdominal n Pelvic Fig. 1.7, from Marieb, Essentials of Human Anatomy and Physiology, 8 th ed, Pearson Education Inc, publishing as Benjamin Cummings
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26 Fig. 4.7 – from Goodenough and McGuire, Biology of Humans , 2ed, Pearson Prentice Hall Pleural Cavity Abdominopelvic Cavity
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27 Abdominopelvic cavity Abdominal cavity n contains stomach, spleen, liver, gallbladder, small intestine, and most of large intestine Pelvic cavity n contains urinary bladder, portions of large intestine, and female & male reproductive organs Divided into quadrants for more precise location of structures Fig. 1.10b - from Tortora and Grabowski, Introduction to the Human Body , 6ed, Wiley
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