Lab Practical 3 - appendicular skeleton

Question 1

pectoral girdle: scapula

Answer 1

shoulder blades. triangular, and are wing shaped. posterior side has a spine (protruding thingy)

Question 2

scapula: acromion process

Answer 2

roughened end of the spine of the scapula, connects with clavicle

LATERAL

Question 3

scapula: coracoid process

Answer 3

beaklike process, near acromion

Question 4

scapula: glenoid cavity

Answer 4

on lateral edge, articulates with humerous

Question 5

scapula: superior border

Answer 5

superior

Question 6

scapula: lateral border

Answer 6

lateral

Question 7

scapula: medial border

Answer 7

medial side

Question 8

scapula: spine

Answer 8

the thing that protrudes from the posterior side

Question 9

scapula: supraspinosus fossa

Answer 9

superior part of the flat piece

Question 10

scapula: infraspinosus fossa

Answer 10

inferior part of the flat piece

Question 11

pectoral girdle: clavicle

Answer 11

collarbone

Question 12

clavicle: acromial end

Answer 12

attaches to scapula to form part of the shoulder joint - rounded

Question 13

clavicle: sternal end

Answer 13

attaches to sternal manubrium

looks flat if you look at it straight on.

Question 14

humerus

Answer 14

upper arm bone.

Question 15

humerus: head

Answer 15

head fits into glenoid cavity of the scapula.

Question 16

humerus: greater tubercle

Answer 16

on anterior, it’s the lateral side , same side as deltoid tuberosity.

Question 17

humerus: lesser tubercle

Answer 17

on anterior, medial side, not visible from posterior view.

Question 18

humerus: deltoid tuberosity

Answer 18

midpoint of shaft, where deltoid attaches

lateral side.

Question 19

humerus: lateral epicondyle

Answer 19

lateral posterior (right side, when looking at posterior view)

Question 20

humerus: medial epicondyle

Answer 20

medial in both anterior and posterior view

Question 21

humerus: capitulum

Answer 21

articulates with radius of arm

Question 22

humerus: trochlea

Answer 22

looks like a spool, bigger part is visible from anterior side

Question 23

humerus: coronoid fossa

Answer 23

anterior hole - works with ulna

Question 24

humerus: olecranon fossa

Answer 24

posterior hole - works with ulna

Question 25

ulna

Answer 25

medial bone of the forarm

Question 26

ulna: olecranon + coronoid process

Answer 26

olecranon (superior) and coronoid (anterior) - these grip the humerus at the trochlea

Question 27

ulna: trochlear notch

Answer 27

part which grips the trochlea in a plierslike joint

Question 28

ulna: radial notch

Answer 28

articulates with head of radius

Question 29

ulna: head

Answer 29

distal end (bottom of bone)

Question 30

ulna: styloid process

Answer 30

medial - has a little nub which attaches to the ligaments of the wrist.

Question 31

radius

Answer 31

lateral bone of the forearm

Question 32

radius: head

Answer 32

proximal which articulates with the capitulum of the humerus

Question 33

radius: radial tuberosity

Answer 33

proximal and just below head, point of attachment for tendon of the biceps muscle of the arm

Question 34

radius: ulnar notch

Answer 34

distal, articulates with end of ulna

Question 35

carpals

Answer 35

8 wrist bones, irregular bones.

Question 36

metacarpals

Answer 36

5 bones which connect the wrist bones to the phalanges. when you make a fist and you see knuckles, they are the metacarpal bones.

Question 37

phalanges

Answer 37

digits. each finger has 3 except thumb: proximal, middle, distal

Question 38

pelvic girdle: coxal bones / ossa coxae

Answer 38

hip bones - together with sacrum & coccyx, form bony pelvis

Question 39

coxal bone: ilium

Answer 39

forms major part of the coxal bone - top lateral flat section

Question 40

coxal bone: iliac crest

Answer 40

superior margin of the iliac bone

Question 41

coxal bone: Ischium

Answer 41

sit down bone, the most inferior and posterior portion of the coxal

Question 42

coxal bone: ischial tuberosity

Answer 42

sit bones, lateral superior, underneath ischium

Question 43

coxal bone: pubis

Answer 43

most anterior portion of coxal bone

Question 44

coxal bone: acetabulum

Answer 44

huge socket on lateral side that attaches to thigh bone

Question 45

coxal bone: obturator foramen

Answer 45

hole in the bottom part of the hip bone

Question 46

coxal bone: symphysis pubis

Answer 46

cartilage between each hip bone at pubic crest

Question 47

coxal bone: pubic arch

Answer 47

most inferior arch of the hip bone

Question 48

femur

Answer 48

thigh bone, heaviest, strongest bone in the body.

Question 49

femur: head

Answer 49

a ball at the top, medial side, attaches to hip bone via the acetabulum.

Question 50

femur: fovea capitis

Answer 50

pit of the head, a small central pit in the head.

Question 51

femur: Greater trochanter

Answer 51

lateral, at the junction of the shaft and the neck

Question 52

femur: lesser trochanter

Answer 52

medial, separated from greater trochanter by intertrochanteric crest

Question 53

femur: linea aspera

Answer 53

ridge on posterior view

Question 54

femur: lateral & medial condyle

Answer 54

visible from posterior view, articulates with tibia. | smooth parts of the distal part of the bone

Question 55

femur: lateral & medial epicondyle

Answer 55

superior to condyles, they are the sides of the distal part of the bone. on the side of condyles

Question 56

patella

Answer 56

triangular sesmoid bone

Question 57

tibia

Answer 57

shin bone, larger, more medial lower leg bone.

Question 58

tibia: medial + lateral condyle

Answer 58

proximal end, receive distal end of femur to form knee joint.

Question 59

tibia: tibial tuberosity

Answer 59

anterior view, protrusion and site of attachment of patella

Question 60

tibia: medial malleolus

Answer 60

distal, forms the inner medial bulge of the ankle

Question 61

fibula

Answer 61

smaller leg bone

Question 62

fibula: head

Answer 62

proximal, articulates with lateral condyle of the tibia

Question 63

fibula: lateral malleolus

Answer 63

distal, forms outer lateral bulge of the ankle

Question 64

tarsals

Answer 64

7 ankle bones

Question 65

tarsal: talus

Answer 65

lies between calcaneus (heel bone) and tibia

Question 66

tarsal: calcaneous

Answer 66

heel bone

Question 67

tarsal: metatarsals

Answer 67

5 bones connecting ankle bones to the phalanges

Question 68

phalanges

Answer 68

proximal, middle, distal (on all but big toe)