THRC.2 Flashcards
1
Q
Medulla spinalis is latin for…
A
Spinal cord
2
Q
At which locations does the spinal cord become thicker?
A
Where nerves arise supplying the:
- Forelimb
- Hindlimb
3
Q
Enlargement of the spinal cord where arising nerves support the forelimb
A
Intumescentia cervicalis
- Enlargement of the spinal cord where arising nerves support the forelimb
4
Q
A
Intumescentia lumbalis
- Enlargement of the spinal cord where arising nerves support the hindlimb
5
Q
A
Conus medullaris
- Cone-shaped ending of the spinal cord
6
Q
A
Dorsal median groove
7
Q
A
Dorsal intermediate groove
8
Q
A
Dorsal lateral groove
9
Q
A
Dorsal median septum
10
Q
A
Dorsal horn
11
Q
A
Proper nucleus of the dorsal horn
12
Q
A
Ventral horn
13
Q
A
Dorsal root
14
Q
A
Spongious zone
15
Q
A
Gelatinous zone
16
Q
A
Thoracic nucleus
17
Q
A
Central canal
18
Q
A
White matter
19
Q
A
Grey matter
20
Q
A
Motor nucleus
21
Q
A
Ventral root
22
Q
A
Ventral median fissure
23
Q
Dorsal and ventral roots join to form…
A
Spinal nerves
24
Q
Spinal ganglia are located…
A
Inside the dorsal root
25
Spinal ganglia contain...
Sensory neurones
*Except for* *the first spinal nerve*
26
Cauda equina
* Sacral + caudal spinal roots
* Pass beyond conus medullaris
* Exit through their intervertebral foramen
27
Conus medullaris
28
Cauda equina
29
Blood supply of the spinal cord
_Segmental arteries_ from:
* Vertebral artery (C-spine)
* Cervical arteries
* Dorsal intercostal arteries
* Lumbar arteries
30
Where do segmental arteries enter the vertebral channel?
Intervertebral foramen
* Then divide into dorsal and ventral branches
* Forming a plexus
31
Give the arteries of the spinal cord
* Ventral spinal artery
* 2 x dorsal spinal arteries
32
Where does the venous plexus drain?
* Vertebral vein
* Cranial vena cava
* Azygous vein
33
Dorsal root
34
Spinal ganglion
35
Motor nucleus
36
Dendritic axon
37
Motor fibre
