Introduction Flashcards

1
Q

Anatomical Position

A
  • Body erect, arms at the side, palms forward
  • Feet shoulder width, parallel, toes forward
  • Facing forward
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2
Q

Anatomical Planes

A
  • Median plane (median sagittal, midsagittal)
  • Sagittal
  • Frontal (coronal)
  • Transverse
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3
Q

Dermis

A
  • Contains tension lines (Langer lines, cleavage lines)

- Natural orientation of collagen fibers in dermis

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4
Q

Fascia

A
  • Connective tissue that surrounds organs, muscles, vessels, etc.
  • “Wrapping and packing” material
  • Create compartments and boundaries
  • Limit spread of infection and cancer
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5
Q

Superficial Fascia

A
  • Less dense connective tissue
  • Deep to dermis
  • Larger fat content vs. deep fascia
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6
Q

Deep/Investing Fascia

A
  • Deep to subcutaneous tissue
  • Typically denser than superficial fascia
  • Forms fascial compartments
  • Intermuscular septa
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7
Q

Cardiac and Smooth Muscle Systems

A
  • Intrinsic and autonomic nervous systems
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8
Q

Skeletal Muscle System

A
  • Somatic nervous system
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9
Q

Skeletal Muscle

A
  • Attached to bone or something else via organized collagen (tendon, aponeurosis, epimysium)
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10
Q

Muscle Bellies/Heads

A
  • Contractile portion

- Can have more than one

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11
Q

Lymphatic System

A
  • Interconnected network of channels;
  • Superficial and deep
  • Found in most areas of the body
  • Coalesce to form lymph trunks and ducts
  • Eventually drains into venous system
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12
Q

Lymphatic System Function

A
  • Returns fluid and extracellular protein to circulation
  • Part of immune defense system
  • Fat absorption and transport
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13
Q

Lymph Nodes

A
  • Small encapsulated structures
  • Part of immune system
  • Filters
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14
Q

Clinical Importance of Lymph Nodes

A
  • Sites of metastasis
  • Body regions are associated with groups of lymph nodes
  • Some are accessible to palpation
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15
Q

Axial Skeletal System

A
  • Skull
  • Ribs sternum
  • Vertebral column
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16
Q

Appendicular Skeletal System

A
  • Bones of pectoral and pelvic girdles

- Limb bones

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17
Q

Bone

A
  • Covered with periosteum (except where there is cartilage, tendon/ligament attachment
  • Compact vs. spongy (trabecular)
  • Supplied by nutrient arteries
18
Q

Bone Attachment Points for Muscle and Tendons, Ligaments, and Fascia

A
  • Tubercle
  • Process
  • Line
19
Q

Bone Openings

A
  • Foramen
  • Canal
  • Meatus
20
Q

Cartilage

A
  • Elastic cartilage
  • Fibrocartilage (pubic symphasis and IVD)
  • Hyaline (costal cartilage and articular cartilage)
21
Q

Synarthrosis

A
  • No bone movement
22
Q

Amphiarthrosis

A
  • Slightly movable bone
23
Q

Diarthrosis

A
  • Freely movable bone
24
Q

Fibrous Joints

A
  • United by fibrous connective tissue
25
Q

Cartilaginous Joints

A
  • United by cartilage
26
Q

Synovial Joints

A
  • Multiple characteristics
27
Q

Arterial Supply to Joints

A
  • Articular branches from neighboring vessels
  • Periarticular anastomoses
  • Constant blood supply, regardless of position
28
Q

Nerve Supply to Joints

A
  • Articular branches
29
Q

Hilton’s Law

A
  • Nerve supplying a joint also supplies muscles moving the joint and skin over distal muscle attachment
30
Q

Fibrous Joints

A
  • No joint cavity
  • Bones united by fibrous CT
  • Length of fibers determines movement allowed
31
Q

Types of Fibrous Joints

A
  • Suture
  • Gomphosis
  • Syndesmosis
32
Q

Suture Joint

A
  • Fibrous joint, synarthrosis (adult)
33
Q

Gomphosis Joint

A
  • Fibrous joint, synarthrosis

- Ex: tooth and jaw alveolar process

34
Q

Syndesmosis Joint

A
  • Fibrous, amphiarthrosis

- Ex: radioulnar syndesmosis

35
Q

Cartilaginous Joints

A
  • Lacks joint cavity

- Bones united by cartilage

36
Q

Synchondroses Joints

A
  • United by hyaline cartilage (primary cartilaginous joint)
  • Usually temporary
  • Examples: growth plates, 1st rib/manubrium, synarthrosis
37
Q

Symphysis Joints

A
  • United by fibrocartilage (secondary cartilaginous joint)
  • IVD and pubic symphysis
  • Amphiarthrosis
38
Q

Synchondrosis Joint

A
  • Cartilaginous joint (hyaline)
39
Q

Types of Cartilaginous Joints

A
  • Synchondroses
  • Symphysis
  • Synchondrosis
40
Q

Synovial Joints

A
  • All are diarthrosis joints
  • Articular capsule, 2 layers: outer fibrous capsule and inner synovial membrane (secretes fluid)
  • Synovial cavity
  • Articular cartilage (hyaline) covers ends of bones
  • Accessory ligaments, articular discs, bursae
41
Q

Types of Diarthrotic (Synovial) Joints

A
  • Ball and socket (spheroid)
  • Ellipsoidal (condyloid)
  • Gliding (planar)
  • Hinge (ginglymus)
  • Pivot (trochoid)
  • Saddle (sellaris)