THRA.6 Flashcards
The caput of vertebrae are…
Convex
The fossa of the vertebrae are…
Concave
How many cervical vertebrae are there in domestic animals?
7
3
Extremitas cranialis
9
Foramen vertebrale
6
Arcus vertebrae
7
Pediculus arcus vertebrae
8
Lamina arcus vertebrae
13
Incisura vertebralis cranialis
16
- Sulcus nervi spinalis*
- (Ø Eq/Ca)*
18
Processus transversus
20
Processus articularis cranialis
21
Processus articularis caudalis
25
Processus transversus
26
Tuberculum ventrale
(C3 - C5)
28
Foramen transversarium
29
Tuberculum dorsale
(C3 - C6)
12
Foramen intervertebrale
What does foramen vertebrale host?
Medulla spinalis
At what point is medulla spinalis at it’s widest point?
C1 - C2 Region
The enlargement of medulla spinalis between C6 and T2 is called…
Intumescentia cervicalis
The ventral branches from intumescentia cervicalis go to form the…
Brachial plexus
Which vessel(s) are found in foramen vertebrae
- Aa. spinales dorsales x 2
- A. spinalis ventralis
5
Crista ventralis
14
Incisura vertebralis caudalis
In some cases, bone can grow over incisura vertebralis cranialis/caudalis to form…
Foramina vertebrales laterales
In the C-spine, the spinous process is essentially absent in…
Eq
Which direction do the dorsal and ventral tubercles of the C-spine orient?
Dorsal: Caudally
Ventral: Cranially
The foramina transversaria of several cervical vertebrae form the…
Canalis transversarius
Which structure(s) pass through the canalis transversarius
A./v./n. vertebralis
Ruminants use the … to transport blood to the brain, rather than the … which other species use.
- A. vertebralis
- A. carotis interna
As you move caudally, the cervical vertabrae body size becomes…
Shorter
11
Spatium interarcuale
Which seperation is between the occipital bone and the atlas?
Spatium atlantooccipitale
Which seperation is between the atlas and the axis?
Spatium atlantoaxiale
The first spinal nerve leaves the medulla spinalis via the…
Foramen vertebrale laterale
All cervical spinal nerves, with exception to C1, leave the medulla spinalis via the…
Foramen intervertebrale
How many spinal nerves exist in the C-spine?
8
(The 8th between C7 and T1)
The dorsal and ventral cervical plexi are formed by…
The dorsal and ventral branches of the cervical nerves, respectively
Where does the ventral branch of C1 join onto?
CN-VII in the ansa cervicalis
Ansa cervicalis innervates which muscles?
- Sternohyoid
- Sternothyroid
- Omohyoid (Ø Ca)
The ventral branch of C2 detaches…
N. auricularis magnus
N. auricularis magnus joins…
Caudal auricular branch of CN-VII
Innervating the caudal part of the external ear
Ventral roots of C5 to C7 form the…
N. Phrenicus to the diaphragm
Supraclavicular branches arise from the…
Ventral cervical plexus
Supraclavicular branches innervate…
The skin over the shoudler joint
2
Massa lateralis
12
Arcus dorsalis
3
- Ala atlantis*
- Processus transversus*
Which processes are absent from the atlas?
- Processus spinosus*
- Processi articulares*
13
Tuberculum dorsale
(Large in Ru)
11
Tuberculum ventrale
Which foramina perforate the Eq ala atlantis?
- Foramen alare*
- Foramen vertebrale laterale*
- Foramen transversarium*
Which foramina perforate the Ruminant ala atlantis?
- Foramen alare*
- Foramen vertebrale laterale*
Which foramina perforate the Canine ala atlantis?
- Foramen vertebrale laterale*
- Foramen transversarium*
Which structure replaces the foramen alare in canine?
Incisura alaris
5
Incisura alaris (Car only)