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Axial Skeleton > Lab# 6 Skeletal system > Flashcards

Lab# 6 Skeletal system Flashcards

0
Q

The Axial Skeleton

A

those bones that lie around the body’s center of gravity

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1
Q

Skeleton

A

The body’s frame work

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2
Q

Appendicular Skelton

A

Bones of the limbs and appendages

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3
Q

Articular Cartilages

A

cover the bone ends at moveable joints ie Hyaline cartilages

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4
Q

Costal Cartilages

A

Found connecting the ribs to the sternum (breast bone) (Hyaline)

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5
Q

Laryngeal Cartilages

A

largely constructs the larynx (voice box) (Hyaline)

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6
Q

Tracheal and Bronchial Cartilages

A

Reinforce other passageways of the respiratory system (Hyaline)

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7
Q

Nasal Cartilages

A

support the external nose (Hyaline)

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8
Q

Intervertebral discs

A

Separate and Cushion bones of the spine (vertebrae) (Fibrocartilage’s) also the pubic symphysis

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9
Q

Meniscus

A

pad like cartilage in knee joint fibrocartilage sandwiched between two layers of Hyaline cartilage

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10
Q

Skull

A

The bones of the head excluding the face

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11
Q

Thoracic cage

A

Ribs, sternum, vertebrae, costa cartilage

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12
Q

Vertebral column

A

The series of vertebra that extend from the cranium to the coccyx providing support and forming a flexible bony case for spinal cord

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13
Q

Bones of Pectoral Girdle

A

Clavicle, Scapula

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14
Q

Upper Limb

A

humerus, Radius, ulna, Carpals, phalanges, Metacarpals

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15
Q

Bones of Pelvic Girdle

A

Ilium,Pubis, Ischium

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16
Q

Lower Limb

A

Femur, Patella, Tibia, Fibula, Tarsals, Talus, Metatarsals, Phalanges, Calcaneus

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17
Q

Hyaline Cartilage

A

Provides sturdy support with some resilience or give most skeletal cartilages are composed of this

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18
Q

Elastic Cartilages

A

much more flexible than Hyaline and it tolerates repeated bending
External ear and epiglottis

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19
Q

Fibrocartilage

A

consists of rows of chondrocytes alternating with rows of thick collagen fibers has great tensile strength and with stands heavy compression found in intervertebral discs and knee joint

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20
Q

compact bone

A

looks smooth and homogeneous out side surface of all 206 bones

21
Q

spongy bone or cacellous

A

is composed of small trabeculae (bars) of bone and lots of open space

22
Q

Long bones

A

longer than they are wide have shaft with heads on either end

23
Q

Short bones

A

typically cubed shaped contain more spongy bone than compact bone

24
Q

Flat bones

A

are generally thin with two wafer like layers of compact bone with spongy bone in between. many flat bones are curved

25
Q

irregular bones

A

bones that do not fit into the other classifications Pelvic, vertebrae

26
Q

sesamoid bones

A

are special types of short bones formed in tendons the patella is a sesamoid bone

27
Q

Wormian bones or sutural

A

are tiny bones between cranial bones not included in the 206

28
Q

Bone markings

A

reveal where bones form joint with other bones and where muscle and tendon and ligaments attached and where blood vessels and nerves passed

29
Q

Projections

A

Processes that grow out from the bone

30
Q

Depresssions

A

Cavities that indent the bone

31
Q

Condyle

A

Rounded articular projection joint projection

32
Q

Head

A

bony expansion on a narrow neck joint projection

33
Q

Facet

A

smooth nearly flat articular surface joint projection

34
Q

Ramus

A

Armlike bar of bone joint projection

35
Q

crest

A

Narrow ridge of bone ligament/tendon

36
Q

Line

A

smaller than crest ligament/tendon

37
Q

Epicondyle

A

Raised area on or above a condyle ligament/tendon

38
Q

Tubercle

A

small rounded projection tendon atachment

39
Q

tubeosity

A

large rounded or roughened projection ligament attachment

40
Q

Trochanter

A

very large, blunt projection (only on Femur)

41
Q

Spine

A

sharp, pointed projection

42
Q

Meatus

A

Depression Canal or tube allowed blood vessels or nerves to pass

43
Q

Fossa

A

depression shallow basin allowed for nerves blood vessels

44
Q

Fissure

A

narrow slit like opening allowed for blood and nerves

45
Q

Sinus

A

cavity within a bone filled with air and lined with mucous membranes

46
Q

Foramen

A

Round or oval opening

Foramen Magnum opening at base of skull

47
Q

Sulcus, Groove or Furrow

A

a shallow depression

48
Q

Cranium

A

bones that protect the brain

49
Q

Facial bones

A

form eye orbit and allow for muscle attachment

50
Q

Mandible

A

has only freely movable joint in skull all other bones attached by sutures

Axial Skeleton (1 decks)

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