[ Synopsis ]
  1. skull baseÀÇ post. wall Çü¼º
  2. Bent upÇÏ¿© HeadÀÇ backÀ» Çü¼º
  3. L-shaped
  4. Articulation : Sphenoid, Parietal,Temporal,Atlas
  5. Foramen magnum
  6. Èĵΰñ ( ý­ÔéÍé )

[ Nomina ]

    I . Ext.Surf.

  1. Squama Part
    1. Sup.nuchal line Convexity°¡ °¡Àå Å«ºÎºÐ.Trapezius,SCM m.ÀÇ origin
    2. Highest nuchal line 1ÀÇ À§¿¡ Çü¼º
    3. Inf.nucahl line 1ÀÇ ¾Æ·¡¿¡ Çü¼º
    4. Ext.occipital protuberance inion(22point Áß Çϳª)
    5. Ext.occipital crest Sup.nuchalÀÇ Áß°£¿¡¼­ foramen magnum±îÁö ´Þ¸²
    6. Mastoid border
    7. Lambdoidal border
    8. Occipital plane 1ÀÇ À§ÂÊ
    9. Nuchal plane 1ÀÇ ¾Æ·¡ÂÊ

  2. Condylar Part [ Lat. Part ]
    1. Occipital condyle Atlas¿Í °üÀý
    2. Condylar fossa
    3. Condylar canal Concylar fossa»ó¿¡ À§Ä¡
    4. Jugular proc.
    5. Jugular notch
    6. Hypoglossal canal

  3. Basilar Part
    1. Pharyngeal tuberc.

  4. Foramen magnum
    II . Int.Surf.

  1. Squama Part
    1. Int.occipital protuberance
    2. Int.occipital crest
    3. Groove for sup.sagittal sinus
    4. Groove for transv.sinus
    5. Depression for confluence of sinuses
    6. Cruciate eminence
    7. Cerebral fossa
    8. Cerebellar fossa

  2. Condylar Part
    1. Jugular proc.
    2. Jugular notch
    3. Jugular tuberc.
    4. Groove for sigmoid sinus
    5. Groove for CN IX , X and XI
    6. Groove for inf.petrosal sinus
    7. Hypoglossal canal
    8. Condylar canal

  3. Basilar Part
    1. Clivus
    2. Small bony tuberc.

  4. Foramen magnum