The Skeletal System Flashcards

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1
Q

Hydroxyapatite

A

A complex phosphate of (ca)10(PO4)6(OH)2

The matrix

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2
Q

(Ca)10(PO4)6(OH)2

What’s it stand for and what is it

A

Calcium10, Phosphorous6, hydroxide2

The chemical compound for bones

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3
Q

The purpose of bones

A

1) support
2) motion and muscle attachment
3) protection
4) calcium storage
5) bone marrow

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4
Q

Hemopoiesis

A

Formation of blood cells

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5
Q

Red bone marrow

A

Aka hemopoietic tissue.
- in most bones in infants

In some adult bones

  • sternum
  • ribs
  • crest of ilium
  • body of vertebrae
  • proximal end of long bones
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6
Q

Humorous

What? And type of bone?

A

Arm

Long bone

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7
Q

Radius and Alna

What? Type? Medial or lateral ?

A

Forearm
Long bone
Radius is medial
Alna is lateral

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8
Q

Metacarpals

What? Type?

A

Bones in Palm

Long bones

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9
Q

Phalanges

What? Type?

A

Fingers

Long bones

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10
Q

Femur

What? Type?

A

Thigh

Long bone

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11
Q

Fibula and tibia

What? Type? Medial/lateral?

A

Leg
Long bones
Tibia is medial
Fibula is lateral

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12
Q

Ostology

A

The science of bones

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13
Q

Metatarsals

What? Type?

A

Sole of foot

Long bones

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14
Q

Lower phalanges

What? Type?

A

Toes

Long bones

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15
Q

Carpal bones or Carpus

What? Type?

A

Wrist

Short bones

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16
Q

Tarsal bones or tarsus

What? Type?

A

Ankle

Short bones

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17
Q

Vertebrae moveable

Type?

A

Irregular bones

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18
Q

Vertebrae immovable

A

Secrum and coccyx

Lumbar part of spine

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19
Q

Ethmoid and sphenoid

What? Type?

A

Sinus bones

Irregular bones

20
Q

Maxilla

What? Type?

A

Upper jaw

Irregular bones

21
Q

Mandible

What? Type?

A

Lower jaw

Irregular bones

22
Q

Scapula

What? Type?

A

Shoulder blade

Flat bone

23
Q

Clavicle

What? Type?

A

Collar bone

Flat bone

24
Q

Frontal bone

What? Type?

A

Front of skull

Flat bone

25
Q

Parietal

What? Type?

A

Wall of skull

Flat bone

26
Q

Fossa

Example?

A

Depression in a bone

TM joint. Temple mandible joint

27
Q

Cavities

Example?

A

Like the teeth

Maxillary sinus

28
Q

Foramen

Example

A

It’s a hole

Foramen magnum l. Base of skull where spinal cord connects to brain

29
Q

Meatus

Example?

A

It’s a tube

External auditory meatus. Sound waves enter

30
Q

Condyles

Example

A

Large, smooth, curved surfaces

The distal end of the femur

31
Q

Axial skeleton
What is it?
What’s it include?

A

Runs through the medial part of the skeleton.

  • skull
  • ear ossicles
  • hyoid bone
  • sternum and ribs (thorax or thoracic cavity)
  • vertebral column
32
Q

Appendicular skeleton

A

Contains

  • upper extremities and girdles
  • lower extremities and girdles
33
Q

Pectoral girdle

A

Clavicle and scapula

34
Q

Pelvic girdle

A

Ilium, ischium, pubic bone

35
Q

Axial skeleton
What is it?
What’s it include?

A

Runs through the medial part of the skeleton.

  • skull
  • ear ossicles
  • hyoid bone
  • sternum and ribs (thorax or thoracic cavity)
  • vertebral column
36
Q

Appendicular skeleton

A

Contains

  • upper extremities and girdles
  • lower extremities and girdles
37
Q

Pectoral girdle

A

Clavicle and scapula

38
Q

Pelvic girdle

A

Ilium, ischium, pubic bone

39
Q

Juggler notch is the?

A

Throat

40
Q

True ribs. How many? Where do they attach?

A

From the top of sternum they are ribs 1-7.

They attach directly to the sternum

all attach posteriorly to the T. Vertebrae

41
Q

False ribs. How many? Where do they attach?

A
  • There are 5 false ribs
  • Ribs 8-10 attach to the superior costal cartilage.
  • ribs 11 and 12 are the floating ribs. They only attach to the T. Vertebrae.
  • all attach posteriorly to the T. Vertebrae
42
Q

Glanoid cavity

A

A cavity located on the scapula.

Head of humorous articulates here.

43
Q

Ilium

A

Anterior. Heart shaped part of pelvis.

Houses acetabular notch where the femur articulates with

44
Q

Ischium

A

Posterior section of pelvis

Houses the obturator foremen

45
Q

Pubic bone

A

Meets at the midline in the pelvis region.

46
Q

Describe a the process of healing a fracture…

A
1- bleeding forms clot 
2- periosteum(CT) - forms
3- fibril blasts form
4-osteoblasts form
      - helps fragments of bone form in blood clot. 
5- fragments grow into bone
47
Q

Osteoblasts

A

Bone forming cells