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What is the hierarchy of Structural Organization? |
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Atom, Molecule, Macromolecule, Organelle, Cell, Tissue, Organ, Organ System, Organism |
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The study of the structure of the human body |
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What is the anatomical terminology based on? WHy? |
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Ancient greek or latin. Provides standard nomenclature worldwide |
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What are the branches of anatomy? |
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Definition
Gross- visable to naked eye (muscles bones organs) Microscopic (histology) Developmental (embryology) Functional morphoplogy (correlate form with specific function) |
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What are the elements of life? Macromolecules? |
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C,H, O, N, S, Ca, P/ Carbohydrates, Proteins, fats (lipids), and nucleic acids |
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First level of Structural organization? |
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Chemical level- atoms form molecules |
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2nd level of Structural organization? |
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Cellular level- cells and their functional subunits, organelles perform specific cell functions |
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3rd level of Structural organization? |
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Tissue level- collections of 2 or more cell types that perform a common function |
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what are the 4 tissue types? |
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epithelial, connective, nervous, muscle |
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4th level of Structural organization? |
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Organ level- a discrete structure made up of more than one tissue |
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5th level of Structural organization? |
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Organ system- organs work together for a common purpose |
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6th level of Structural organization? |
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Organism- the result of all simpler levels working in unison |
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How many cells in the human body? How many identified types? |
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Over 100 trillion cells, 252 types |
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Carry out all processes necessary for survival of the cell plus each cell must perform specific functions required for survival of organism |
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What is the process by which cells become specialized to perform specific functions? |
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what does differentiation occur from? |
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Results from altered gene expression in response to locally produced molecules |
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Two categories of stem cells: |
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Embryonic- pleuripotent (can become any cell type) Tissue Specific- partially specialized, found in many adult tissues |
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What are some tissue engineering accomplishments using stem cells |
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Definition
-skin patches on burn -lab grown cartilage grafts -urinary bladders -nerve regeneration -progress in complex organs like liver and pancreas |
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Collection of organs that work together to accomplish a particular task. |
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How many organ systems are there? What are they? |
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10 (or 11). Cardiovascular, respiratory, digestive, nervous, skeletal, muscular, immune/lymphatic, urinary, integument, endocrine, reproductive. |
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What is the anatomical posistion> |
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Definition
a common visual reference point. -stands with feet together eyes forward palms face anteriorly with thumbs pointed away from body |
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Names of specific body areas |
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the main axis of the body (head, neck, and trunk) |
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Appendicular region refers to? |
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What is the term meaning towards the head or upper part of a structure or body? (Above) |
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Superior (cranial) ~The head is superior to the abdomen |
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What is the term meaning away from the head or toward the lower part of a structure or body (below)? |
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Definition
Inferior (caudal) ~The naval is inferior to the chin |
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What is the term meaning toward the front of the body: in front of? |
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Definition
Anterior (ventral) ~The breast bone is anterior to the spine |
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What is the term meaning toward the back of the body; behind? |
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Posterior (dorsal) ~The heart is posterior to the breastbone |
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toward the midline of body, on the inner side of ~The heart is medial to the arm |
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Away from the midline of the body; on the outer side of. ~The arms are lateral to the chest |
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What does intermediate mean? |
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Between a more medial and a more lateral structure. ~Collarbone is intermediate between the breastbone and shoulder |
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closer to the origin of the body part or the point of attachemnt of a limb to the body trunk. ~The elbow is proximal to the wrist. |
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Farther from the origin of the body part or the point of attachment of a limb to the body trunk. ~THe knee is distal to the thigh |
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What does superficial (external) mean> |
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toward the surface of body ~the skin is superficial to the skeletal muscles |
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What does deep (internal) mean? |
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away from the body surface ~THE lungs are deep to the skin |
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Which plane lies vertically and divides body into anterior and posterior parts? |
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Which plane lies vertical in the midline and is specific sagittal plane? |
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Median (midsagittal) plane |
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Which plane runs horizontally- dividing th body into superior and inferior parts? |
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