Blood vessels
C ranial base
C ra n ia l nerves
M eninges
Parts of the brain
Spinal cord
Fig. 602
Fig. 603
Fossa rhomboidea
Radix posterior
(C1)
Arcus anterior
atlantis
Ganglia sensoria
nervorum spinalium
Radix posterior
Arcus vertebrae
(C 8)
cervicalis VII
Radix posterior
Arcus vertebrae
( j 1)
Dura mater
spinalis
Sulcus
posterolateralis
Sulcus medianus
posterior
Arcus vertebrae
thoracicae XII
Radix
posterior
(T12)
Arcus vertebrae
lumbalis I
Radix posterior
<L1>
Ganglion spinale
Cauda equina
Arcus vertebrae
lumbalis V
• Obex
N
* à i
hypoglossus
[XII]
- Segm enta----------
cervicalia [1-81
= Pars cervicalis
- Segmenta
thoracica [1-12]
= Pars thoracica
■
Segmenta lumbalia —
[1-5] = Pars lumbalis
Radices posteriores
(L 1-5, S 1-5)
Ganglia sensoria
nervorum spinalium
(S 1-5)
Pons
Medulla oblongata
N accessorius [XI]
Decussatio pyramidum
Fissura mediana
anterior
Sulcus anterolateralis
Intumescentia
cervicalis
Dura mater spinalis
Intumescentia
lumbosacralis
Conus medullaris
Filum terminale
Os sacrum
- Filum terminale,
Pars du rails
Filum terminate,
Pars duralis
3
4
v
5
N coccygeus
Filum terminate,
Pars duralis
Os coccygis
[Vertebrae coccygeae I—IV]
N. glossopharyngeus [IX]
N vagus [X]
N hypoglossus [XII]
Nn. sacrales
[S 1-S 5]
Nn cervicales
[C 1-C 8]
Nn. thoracici
[T1-T12]
Nn lumbales
[L 1-L5]
Fig. 601
SpinaL cord, Medulla spinalis,
and spinal nerves, Nn. spinales;
situs of the spinal cord;
dorsal view.
As spinal cord segments are numbered according
to the spinal nerves, and the uppermost spinal nerve
is counted as the first cervical nerve, there are
actually eight cervical segments.
Fig. 602
Spinal cord, Medulla spinalis,
and spinal nerves, Nn. spinales;
the spinal dura mater has been opened;
dorsal view.
Fig. 603
Spinal cord, Medulla spinalis,
and spinal nerves, Nn. spinales;
the spinal dura mater has been opened;
ventral view.
