Bone Markings 🦴🩻

Question 1

Foramen

Answer 1

Round or oval opening through the bone

Question 2

Sinus

Answer 2

Cavity within the bone filled with air and lined with mucous membrane

Question 3

Meatus

Answer 3

Canal like passageway

Question 4

Fossa

Answer 4

Shallow basin like depression in bone, often serves as an articular surface

Question 5

Notch

Answer 5

Indentation at edge of structure

Question 6

Fissure

Answer 6

Narrow, slitlike opening 

Question 7

Groove

Answer 7

Furrow

Question 8

Head

Answer 8

Bony expansion carried on narrow neck 

Question 9

Condyle

Answer 9

Rounded articular projection, often articulates with corresponding fossa

Question 10

Facet

Answer 10

Smooth, nearly flat articular surface

Question 11

Tuberosity

Answer 11

Large, rounded projection, maybe roughened

Question 12

Process

Answer 12

Any bony prominence

Question 13

Spine

Answer 13

Sharp, slender, often pointed projection

Question 14

Epicondyle

Answer 14

Raised area on or above a condyle

Question 15

Tubercle

Answer 15

Small rounded projection or process

Question 16

Line

Answer 16

Narrow ridge of bone, less prominent than crest 

Question 17

Trochanter

Answer 17

Very large, blunt, irregularly shaped process

Question 18

Crest

Answer 18

Ridge of bone, usually prominent

Question 19

Ramus

Answer 19

Armlike bar of bone