ANATOMICAL TERMINOLOGY

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Author:
haaveshes
ID:
32921
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ANATOMICAL TERMINOLOGY
Updated:
2010-09-05 23:25:21
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ANATOMICAL TERMINOLOGY Body Planes Intro
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ANATOMICAL TERMINOLOGY, Body Planes, Intro
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  1. I. Trilaminar Embryo
    a. Three germ layers


    i. Ectoderm


    ii. Endoderm


    iii. Mesoderm

    b. Somite


    i. Dermatome


    ii. Myotome
  2. What are the 3 germ layers
    • Ectoderm- epidermis , brain and nervous system
    • Endoderm- Glands, inner lining of respiratory tract, digestive tract
    • Mesoderm- > Notocord/Somites-> muscules (skeletal)
  3. Somites are formed from the
    Mesoderm
  4. Somites give rise to
    • sclerotomes
    • dermatomes
    • myotomes
  5. sclerotome
    A sclerotome is part of a somite, a structure in vertebrate embryonic development. Sclerotomes eventually differentiate into the vertebrae and most of the skull.
  6. Myotome
    A group of tissues formed by somites and develop into the wall muscles
  7. Anatomical position
    • The conventional position of the human
    • body from which descriptions are derived: body erect, eyes forward and parallel
    • to horizon, arms at sides with palms forward, toes forward and feet together.
  8. Sagittal Plane
    • Divides the body down the middle
  9. Mid/Para Sagittal Plane
    • Mid divides body along the midline into left and right halves
    • Para - next to the midsagittal section
  10. Coronal
    (Frontal)
    • 1. Through
    • crown of head
    • 2. Divides body or head into
    • anterior (ventral) and posterior (dorsal) parts
  11. Transverse (Cross-sectional through the longitudinal axis of the body)
    • 1. For
    • body, transverse sections are cut in the horizontal plane

    • 2. Divides body into superior
    • and inferior body parts
  12. Medial -
    Towards the median ( middle) or midsagital plane
  13. Lateral
    Away from the median
  14. Paramedian
    In the middle
  15. Rostral
    Towards the nose rostrum(also cephalio, cranial
  16. Caudal
    Towards the tail
  17. Proximal
    Close to the median or near the origin of a structure
  18. Distal
    Away from the origin of the strcuture
  19. Palmar
    palm side of the hand
  20. Plantar
    Sole of the foot
  21. Ipsilateral
    on the same side
  22. Contralateral
    On the opposite side
  23. Afferent
    towards the CNS, or towards a named neural structure
  24. Efferent
    Away from the CNS or, away from a named neural structure
  25. Muscle Action
    Shortens distance b/w origin and insertion
  26. Origin
    The attachment that is stable ( usually proximal)
  27. Insertion
    The attachement that is moveable ( usally distal)
  28. Concentric
    • the muscle shortens as it contracts
  29. eccentric
  30. Abduction
    Abduction - movement away from the midline
    • Flexion
    • & Extenion


    Movements in the Sagittal Plane
  31. (Which plane)

    Rotation:

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