問題一覧
1
Avian skeleton is characterized by
Prominent sternum, Pelvis that is open ventrally, Forelimb modified to form a wing, Considerable fusion of vertebrae
2
Avian skeleton division
Axial skeleton, Appendicular skeleton
3
Pneumatization of bones by air sacs
Ossa pneumatica
4
Appearance of ( trabecular ) medullary bone
Ossa medullaria
5
Most important calcium reserve for egg production
Ossa medullaria
6
Space connected with airways in head not part of system of sacs
Sinus infraorbitalis
7
Skeleton capitis ( skull )
Neurocranium, Splanchnocranium, Viscerocranium
8
Facial part of the skull
Viscerocranium, Splanchnocranium
9
Ossa cranii
Os occipitale, Os ethmoidale, Os parietale, Os frontale, Os temporale, Os sphenoidale, Os lacrimale
10
Ossa faciei
Maxilla, Os praemaxillare, Vomer, Os hyoideum, Ossa accessoria cranii
11
Forms joint that enables bird to rotate their head with atlas
Condylus occipitalis
12
Beak / Bill / rostrum
Rostrum maxillare, Rostrum mandibulare
13
Number of cervical vertebrae in small birds
8
14
Number of cervical vertebrae in swans
25
15
Number of cervical vertebrae in chickens
14-17
16
Number of cervical vertebrae in pigeons
12
17
Atlas
Arcus, Corpus
18
Recess on the cranial surface of body, forms articular surface for occipital condyle of occipital bone
Fossa condyloidea
19
Number of thoracic vertebrae ranges from ?
3 to 10
20
First three to five thoracic vertebrae fused into one bone
Notarium
21
Which thoracic vertebrae are separated in adult chicken
First, Sixth
22
2-5 thoracic vertebrae in adult chicken form?
Notarium
23
7th vertebrae in adult chicken is fused with?
Synsacrum
24
Last one or two thoracic vertebrae fuse with lumbar, sacral and first caudal vertebrae to form
Synsacrum
25
What renders the dorsal part of trunk rigid
Notarium, Synsacrum
26
What allows movements of the tail?
Synsacrum followed by five or six caudal vertebrae
27
Most caudal segment of vertebrae ?
Pygostyl
28
What gives support to flight feathers of tail?
Pygostyl
29
Skeleton thoracis
Vertebrae thoracicae, Costae, Sternum
30
Costae
Costa vertebralis, Costa sternalis