The parts  of the Septum are:

Septal Area SA
1.  Lateral Septal Nucleus LSn
   1.1.  Dorsal Part of LSD
   1.2.  Intermediate Part of LSI
   1.3.  Ventral Part of LSV
2.  Medial Septal Nucleus MS
3.  Triangular Septal Nucleus TS
4.  Septofimbrial Nucleus SFi
5.  Diagonal Band DB
   5.1.  Vertical Limb DBV
      5.1.1.  Nucleus of VDB
         5.1.1.1.  Dorsal Part of VDBD
         5.1.1.2.  Ventral Part of VDBV
   5.2.  Horizontal Limb DBH
      5.2.1.  Nucleus of HDB
6.  Accumbens Nucleus Acb
7.  Bed Nucleus of the Stria Terminalis BST
8.  Lateral Part of BSTL
9.  Medial Part ofBSTM
10.  Preoptic Part of BSTPO
11.  Basal Nucleus (of Meynert) B
12.  Septohypothalamic Nucleus SHy
13.  Hippocampal Rudiment...HiR