Skeleton - Birds

Question 1

Where does the flexibility of the head of the bird form from?

Answer 1

Heterocoelous centrum

Question 2

Participate in the glenoid fossa

Answer 2

Precoracoid

Scapula

Question 4

Where powerful flight muscles are attached

Answer 4

Keel or carina

Question 6

Joins the rib and the sternum

Answer 6

Costal cartilage

Question 7

True or False, flightless birds have a carina

Answer 7

False

Question 8

Which 3 bones contribute to the formation of the acetabulum?

Answer 8

Ilium
Ischium
Pubis

Question 9

What is included in the synsacrum?

Answer 9

Last thoracic
Lumbar
Sacral
First few caudal

Question 11

Marks the preaxial or radial side of the limb

Answer 11

Deltoid ridge

Question 12

True or false. Radius is more slender than the ulna

Answer 12

True

Question 14

Entrance into the air space in the humerus

Answer 14

Pneumatic foramen

Question 15

How many cervical vertebrae do birds have?

Answer 15

16

Question 16

Formed by the fusion of 3 bones (metatarsals and ankle bones)

Answer 16

Tarsometatarsus

Question 17

Includes 3 metacarpals

Answer 17

Carpometacarpus

Question 18

True or false. Patella or kneecap is found in lower vertebrates

Answer 18

False

Question 19

Gait of birds

Answer 19

Digitigrade

Question 20

2 bones that compose the shank

Answer 20

Tibiotarsus

Fibula

Question 21

Ilium + ischium + pubis = ?

Answer 21

Innominate bone

Question 23

Birds w/ keel/carina

Answer 23

Carinate birds

Question 24

Strengthens the ribs

Answer 24

Uncinate process

Question 25

Sesamoid bone (developed in a tendon)

Answer 25

Patella

Question 26

Birds w/ no keel/carina

Answer 26

Ratite birds

Question 27

What allows the laying of large eggs?

Answer 27

Absence of pubic and ischiac sympheses