the skeletal system

Question 1

condyle ( term: articulations)

Answer 1

a rounded knob that articulates with another bone (occipital condyles of the skull)

Question 2

facet (term: articulations)

Answer 2

a smooth, flat, slightly concave or convex articular surface (articular facets of the vertebrae)

Question 3

head (term: articulations)

Answer 3

the prominent expanded end of a bone, sometimes rounded (headed of the femur)

Question 4

crest (terms: extensions and projections)

Answer 4

a narrow ridge (illiac crest of the pelvis)

Question 5

epicondyle (terms: extensions and projections)

Answer 5

an expanded region superior to a condyle (medial epicondyle of the femur

Question 6

line (terms: extensions and projections)

Answer 6

a slightly raised, elongated ridge (nuchal lines of the skull)

Question 7

process (terms: extensions and projections)

Answer 7

any bony prominence (mastoid process of the skull)

Question 8

protuberance (terms: extensions and projections)

Answer 8

a bony outgrowth or protruding part (mental protuberance of the chin)

Question 9

spine (terms: extensions and projections)

Answer 9

a sharp, slender, or narrow process (mental spines of the mandible)

Question 10

trochanter (terms: extensions and projections)

Answer 10

two massive processes unique to the femur

Question 11

tubercle (terms: extensions and projections)

Answer 11

a small, rounded process (greater tubercle of the humerus)

Question 12

tuberosity (terms: extensions and projections)

Answer 12

a rough elevated surface (tibial tuberosity)

Question 13

alveolus (terms: depressions)

Answer 13

a pit or socket (tooth socket)

Question 14

fossa (terms: depressions)

Answer 14

a shallow, broad,, or elongated basin (mandibular fossa)

Question 15

fovea (terms: depressions)

Answer 15

a small pit (fovea capitis of the femur)

Question 16

sulcus (terms: depressions)

Answer 16

a groove for a tendon, nerve, or blood vessels (interubercular sulcus of the humerus)

Question 17

canal (terms: passages and cavities)

Answer 17

a tubular passage or tunnel in a bone (auditory canal of the skull)

Question 18

fissure (terms: passages and cavities)

Answer 18

a slit through a bone (orbital fissures behind the eye)

Question 19

foramen (terms: passages and cavities)

Answer 19

a hole through a bone, usually round (foramen magnam of the skull)

Question 20

meatus (terms: passages and cavities)

Answer 20

a canal (external acoustic meatus of the ear)

Question 21

sinus (terms: passages and cavities)

Answer 21

an air-filled space in a bine (frontal sinus of the forehead)