4c - Skeletal System; Appendicular Skeleton Flashcards
appendicular components
pectoral girdle
pelvic girdle
pectoral limbs
pelvic limbs
girdle means
goes around something
pectoral
fore
pelvic
hind
pectoral limbs connection to body
not connected by bones only muscle
synsarcosis is
where the pectoral limbs are only joined by muscles
clavicle is
collar bone
clavicle in dogs or cats
not in dogs
in cats but is floating in brachiocephalicus muscle
scapular structure
large triangular flat bone
scapular location
at junction of neck and ribs
scapular spine
prominent that divides lateral surface in 2
2 surfaces on scapular
supraspinous fossae
infraspinous fossae
what is the acromion
bony projection at the end of scapula
humerus is
long bone forming upper forelimb
humerus proximal end - rounded head forms…
joint with scapula
what is the greater tubercle
bony prominence that can be palpated lateral to the head
radius and ulna positioned where to each other
side by side
ulna length compared to radius
longer
ulna distinguishing feature
u shaped notch
what is the olecronon on the ulna
a bony prominence at the proximal end of ulna which forms point of elbow
anconeal process sits…
in hollow of humerus
radius is
a rod like bone
carpus bones number
7
carpus bone types
short carpal bones
carpus rows
2 rows
metacarpus bones number
5
metacarpus bones configuration
MCI-V
metacarpus most medial is
MCI - dew claw
Phalanges number
5
phalanges digit I bone number
2 phalangeal bones
phalanges digit I is
dew claw
phalanges digits II-V bone number
3 phalangeal bones (P1, P2, P3)
what is the distal phalanx (P3)
ungual process forming part of claw
pelvic girdle bones
2 pelvic bones (left and right)
where do pelvic bones join
pelvic symphysis
what do each pelvic bone consist of
3 fused bones
name the 3 fused bones in pelvis
ilium
ischium
pubis
ilium size and location
largest, expands cranially to illiac wing
ischium location and feature
caudal
ischial tuberosity (lower part of pelvis referred to as sit bones)
acetabulum is
socket where ilium, ischium and pubis meet
acetabulum forms
hip joint with femur head
obturator foramen
either side of pubic symphisis is a hole where nerves and blood vessels run through
femur is
the hindlimb bone
femur head forms
joint with pelvis
greater trochanter is
projection lateral to head of femur
what is found distally on the femur
patella
patella is
kneecap
patella bone is
sesamoid
patella found in
tendon of quadriceps femoris muscle
tibia and fibula are
hindleg lower bones
tibia size
thick
fibula size
fine
tibia bone type
long bone
what is the tibial crest
where the patella ligament inserts
fibula bone type
thin long bone
fibula and tibia positioning to each other
side by side
tarsus is also known as
hock
tarsus bone number
7
tarsus rows
3
what is the tuber calcis
point of hock
metatarsus number of bones
4 (MTII - MTV)
metarsus some breeds….
have 5 - dew claw MTI
MTI doesnt…
extend to a digit
Digits number
4 II-V
digits number of bones per digit
3 phalangeal bones (P1, P2, P3)
what is the distal phalanx (P3)
ungual process which forms part of claw
splanchnic bone develops where
soft tissue
splanchnic bone is
os penis in dog
