II. Anatomy: Nerve Course

  1. Disc disease affects nerve exiting one level below
    1. Nerve passes over the affected disc
  2. Example
    1. L4-5 disc Herniation affects L5 nerve
    2. Contrast with C-Spine Anatomy

III. Anatomy: Components

  1. Spinal cord terminates at L1-L2 in the adult
  2. Lumbosacral nerve roots comprise cauda equina

IV. Images: Bone

  1. LumbarSpineInCrossSection.gif
  2. LumbarSpineAnatomyVertebra.gif
  3. LumbarSpineAnatomyDisc.gif
  4. orthoLegLumbarDorsalFasciaGrayBB388.gif Lewis (1918) Gray's Anatomy 20th ed (in public domain at Yahoo or BartleBy)
  5. orthoSpineVertebraeLumbarGrayBB93.gif Lewis (1918) Gray's Anatomy 20th ed (in public domain at Yahoo or BartleBy)
  6. orthoSpineVertebraeLumbar5GrayBB94.gif Lewis (1918) Gray's Anatomy 20th ed (in public domain at Yahoo or BartleBy)
  7. orthoSpineVertebraeLumbarLateralXsGrayBB301.gif Lewis (1918) Gray's Anatomy 20th ed (in public domain at Yahoo or BartleBy)
  8. orthoSpineVertebraeLumbarLateralGrayBB92.gif Lewis (1918) Gray's Anatomy 20th ed (in public domain at Yahoo or BartleBy)

Images: Related links to external sites (from Bing)

Related Studies

Ontology: Bone structure of lumbar vertebra (C0024091)

Definition (NCI) Those vertebrae between the ribs and the pelvis, L1-L5 in man.
Definition (NCI_CDISC) One of the five bones situated between the thoracic vertebrae and the sacrum in the lower part of the spine. (NCI)
Definition (NCI) One of the five bones situated between the thoracic vertebrae and the sacrum in the lower part of the spine.
Concepts Body Part, Organ, or Organ Component (T023)
MSH D008159
SnomedCT 73903008, 122496007
HL7 VERTL
LNC LP30305-4, MTHU012098
English Lumbar Vertebrae, Vertebrae, Lumbar, Lumbar vertebra, unspecified, Bone struct lumbar vertebra, LS - Lumbar spine, LV - Lumbar vertebra, lumbar vertebrae, Lumbar vertebrae (LI-LV), Vertebrae lumbales (LI-LV), Lumbar vertebrae set, Lumbar vertebrae [L I - L V], Set of lumbar vertebrae, Lumbar vertebrae, Vertebrae lumbales [L I - L V], Lumbar Spine, L Spine, Spine.lumbar, vertebrae lumbar, spine lumbar, lumbar vertebra, vertebra lumbar, lumbar spine, LUMBAR VERTEBRA, Lumbar vertebra, Lumbar spine, Lumbar vertebral column, Lumbar spine structure, Bone structure of lumbar vertebra (body structure), Lumbar spine structure (body structure), Bone structure of lumbar vertebra, Lumbar vertebra, NOS, Lumbar Vertebra, Vertebra, lumbar
Swedish Ländkotor
Czech bederní obratle
Finnish Lannenikamat
Russian POIASNICHNYE POZVONKI, ПОЯСНИЧНЫЕ ПОЗВОНКИ
Croatian KRALJEŽNICA, LUMBALNA
Latvian Jostas skriemeļi
Polish Kręgi lędźwiowe
Norwegian Lendevirvler, Lumbalvirvler, Vertebrae lumbales
Spanish columna espinal lumbar, columna lumbar, columna vertebral lumbar, estructura de la columna vertebral lumbar (estructura corporal), estructura de la columna vertebral lumbar, estructura ósea de vértebra lumbar (estructura corporal), estructura ósea de vértebra lumbar, vértebra lumbar, Vértebras Lumbares
German Lendenwirbel, Vertebrae lumbales
Italian Vertebre lombari
Dutch Lendenwervel, Lendenwervels, Vertebrae lumbales, Wervel, lenden-
Portuguese Vértebras Lombares
French Vertèbres lombaires, Vertèbres lombaires (L1-L5), Vertèbres lombales

Ontology: Lumbosacral spine (C0223603)

Concepts Body Part, Organ, or Organ Component (T023)
SnomedCT 356139006, 65098007
English Lumbosacral spine, lumbo sacral spine, lumbosacral spine, lumbosacral vertebrae, spine lumbo sacral, lumbo-sacral spine, lumbosacral spine (body structure), Lumbosacral spine (body structure), Lumbosacral vertebrae, Structure of lumbosacral vertebrae (body structure), Structure of lumbosacral vertebrae, Lumbosacral vertebrae, NOS
Spanish columna vertebral lumbosacra (estructura corporal), columna vertebral lumbosacra, estructura de las vértebras lumbosacras (estructura corporal), estructura de las vértebras lumbosacras, vértebras lumbosacras