Lab Pg 32 Bone Structures

Question 1

Foramen

Answer 1

Round or oval opening or hole in a bone that allows for the passage of nerves and blood.

Jugular foramen, foramen magnum

Question 2

Fissure

Answer 2

A narrow slit or opening in a bone that allows for the passage of nerves and blood vessels.

Superior orbital fissure
Inferior orbital fissure

Question 3

Canal

Answer 3

A LONG tunnel like or tube shaped passage or channel in a bone that allows for the passage of nerves and blood vessels.

Hypoglossal canal
Optic canal

Question 4

Meatus

Answer 4

A SHORT canal-like passage in a bone that allows for the passage of nerves and blood.

Internal acoustic meatus

Question 5

Fossa

Answer 5

A depression or basin in a bone.

Temporal fossa

Question 6

Process

Answer 6

A projection or outgrowth on a bone that serves as an attachment point for muscles, tendons, or ligaments.

Processes can vary in shape and size, contributing to the overall function and stability of the skeletal system.

Question 7

Trochanter

Answer 7

A large, blunt, irregularly shaped bony prominence on the femur that serves as an attachment point for muscles. Only on the femur.

The greater and lesser trochanters are important for muscle attachment and play a key role in hip movement.

Question 8

Tuberosity

Answer 8

A large rounded projection that is often rough or “pitted” to allow for strong muscle grip.

Ischial tuberosity

Question 9

Tubercle

Answer 9

A smaller , usually smooth rounded projection or nodule. Attachment for muscles tendons and ligaments.

Greater tubercle of the humerus (upper arm)

Question 10

Spine

Answer 10

A sharp slender often pointed projection , it stands out significantly from the bone surface.

Question 11

Crest

Answer 11

A prominent, narrow ridge of bone usually forming a thick border.It is more substantial than a line.

Iliac Crest

Question 12

Line

Answer 12

A narrow ridge bone that is less prominent than a crest.It often looks like a faint seam or streak.

Linear Aspera

Question 13

Condyle

Answer 13

Large rounded , smooth pertuberance , at the end of a bone that forms a joint or articulation with another bone.

Mandibular Condyle