Surface Features or Markings

Question 1

Alveolus

Answer 1

Socket, such as those into which the teeth are seated.

Ah-v-oh-lus

Question 2

Condyle

Answer 2

Rounded process for articulation, usually covered with articular cartilage, such as on the femur

Con-dial

Question 3

Crest

Answer 3

Prominent ridge or border of bone, such as in the iliac crest of the OS Coxae

Os cox-a

Question 4

Epicondyle

Answer 4

Projection above a smooth articular condyle, such as on the femur

Question 5

Facet

Answer 5

Small, smooth area that is usually covered with cartilage, such as on the thoracic vertebrae for rib articulation.

Question 6

Fissure

Answer 6

Slit between bones, such as superior, orbital fissure

Question 7

Foramen

Answer 7

Hole to allow passage of blood vessels or nerves, such as jugular foreman

Question 8

Fossa

Answer 8

Depression area that is usually broad and shallow, such as glenoid fossa of the scapula.

Question 9

Groove

Answer 9

Narrow furrow in bone, usually tracks the path of a nerve or blood vessel

Question 10

Head

Answer 10

Large, rounded end of bone, such as the humerus

Question 11

Line

Answer 11

Narrow ridge of Bone, less prominent than crest

Question 12

Meatus

Answer 12

Opening of a canal or passage, such as external auditory meatus

Me-a-tus

Question 13

Process

Answer 13

Projection or prominent of a bone, such as the mastoid process

Question 14

Ramus

Answer 14

Arm like bar of bone, literally means a branch

Ray-mis

Question 15

Sinus

Answer 15

Cavity in a bone, such as the maxillary sinus

Note: the term sinus can also be used to describe a channel of venous blood, such as the superior sagittal sinus.

Question 16

Spine

Answer 16

Relatively sharp projection of the bone, such as the spinous process.

Question 17

Sulcus

Answer 17

Relatively narrow groove, such as the intertubercular sulcis

Sol-kuss

Question 18

Trochanter

Answer 18

Large, blunt process for muscle attachment, such as the trochanter of the femur.

Question 19

Tubercle

Answer 19

Small, rounded prominence, such as the tubercle of the rib

Question 20

Tuberosity

Answer 20

Large, rounded prominence such as the ischial tuberosity