Skeletal System

Question 1

auditory ossicles

Answer 1

3 tiny bones in petrous part of each temporal bone are for hearing
malleous: superficial
incus: intermediate
stapes: deep

Question 2

scoliosis

Answer 2

abnormal lateral curvature

Question 3

kyphosis

Answer 3

extreme thoracic curvature

Question 4

lordosis

Answer 4

exaggerated lumbar curvature

Question 5

intervertebral discs

Answer 5

nucleus pulposus: deeper part of the disc (jelly like center)
anulus fibrosus: tough outer ring outside nucleus

Question 6

atlantoaxial join

Answer 6

dens acts as a pivot for the rotation of the atlas and the skull (ligament helps stabilize)

Question 7

what is the promontary portion on the sacrum?

Answer 7

lip that sticks out anteriorly on S1

Question 8

What are the transverse ridges on the sacrum?

Answer 8

where the intervertebral discs would’ve been

Question 9

where is the subscapular fossa on the scapula?

Answer 9

anterior, broad smooth surface, doesn’t have large ridge

Question 10

posterior view of the scapula

Answer 10

coracoid process: anterior, looks like a c, by lateral attachment
acromion: posterior, tip of the shoulder
supraspinous fossa: above spine
infraspinous fossa: inferior to spine, large triangular flat area

Question 11

where is the olecranon fossa on the humerus?

Answer 11

deep hole in the back of the humerus

Question 12

iliac fossa - ilium

Answer 12

broad, flat area toward the top

Question 13

anterior superior iliac spine - ilium

Answer 13

end of the crest

Question 14

anterior inferior iliac spine - ilium

Answer 14

below superior, after the notch

Question 15

arcuate line - ilium

Answer 15

ridge that separates the superior and inferior portion of the pelvis

Question 16

iliac crest - ilium

Answer 16

upper border of the fossa

Question 17

posterior superior iliac spine - ilium

Answer 17

back, where sacrum attaches, on rough part of ilium

Question 18

posterior inferior iliac spine - ilium

Answer 18

below superior

Question 19

posterior gluteal line - ilium

Answer 19

vertical plane

Question 20

greater sciatic notch - ilium

Answer 20

large notch below posterior gluteal line

Question 21

anterior gluteal line - ilium

Answer 21

in the crest

Question 22

inferior gluteal line - ilium

Answer 22

above socket for femur

Question 23

ischium

Answer 23

posterior region of os coxae

Question 24

ischial spine - ischium

Answer 24

below greater sciatic notch

Question 25

lesser sciatic notch - ischium

Answer 25

right below greater

Question 26

ischial tuberosity - ischium

Answer 26

large rough area posteriorly, hamstrings attach

Question 27

ischial ramus - ischium

Answer 27

on the loop formed by the ischium, right below acetebum

Question 28

pubis

Answer 28

anterior region of os coxae

Question 29

superior ramus - pubis

Answer 29

above ischium, more lateral

Question 30

inferior ramus - pubis

Answer 30

above ischium, more medial

Question 31

pubic crest - pubis

Answer 31

ridge, can be sharp, superior on pubis

Question 32

pubic tubercle - pubis

Answer 32

bump anteriorly, edge of ridge

Question 33

pubic symphysis - pubis

Answer 33

fibrocartilage, joint between pubis'

Question 34

obturator foramen - pubis

Answer 34

large holes in the pelvis

Question 35

pelvic brim

Answer 35

continuous oval ridge formed by pubic crest, pectineal line, arcuate line, and sacral promontory

Question 36

true pelvis

Answer 36

lesser, large hole, houses organs of the pelvis

Question 37

false pelvis

Answer 37

greater, where the iliac is, houses abdominal organs

Question 38

fovea capitis

Answer 38

hole in the head of the femur

Question 39

patella

Answer 39

base: round and superior apex: pointy and inferior

Question 40

tibial tuberosity

Answer 40

bump under patella

Question 41

medial longitudinal arch

Answer 41

inner arch of the foot, heel to hallux (big toe), highest arch

Question 42

lateral longitudinal arch

Answer 42

away from the midline of the foot, heel to fifth toe, lowest arch

Question 43

transverse arch

Answer 43

medial to lateral on the foot, perpendicular to other arches, alone distal row of tarsals

Question 44

articulation

Answer 44

joint, point of contact between one bone and another bone, cartilage, or teeth

Question 45

arthrology

Answer 45

study of joints

Question 46

fibrous joints

Answer 46

no joint capsules, held together by dense connective tissue

Question 47

cartilaginous joints

Answer 47

no joint capsule, held together by cartilage

Question 48

synocial joints

Answer 48

have joint capsule

Question 49

synarthrosis degree of movement allowed

Answer 49

no movement

Question 50

amphiarthrosis degree of movement

Answer 50

slightly moveable

Question 51

diarthrosis degree of movement

Answer 51

freely moveable