B cells

1
B cells

• 14 terms for B cell in Cell Ontology
• Broadly divided into immature and mature subsets.
• The genus term B cell is the parent term for
  all types of B cell.
• Plasma cell considered a distinct cell type.

2
B cell definition

• Term
• id CL0000236
• name B cell
• def "A type of lymphocyte whose defining
  characteristic is the expression of an
  immunoglobulin complex." GOCadd,
  ISBN0781735149
• exact_synonym "B lymphocyte"
• exact_synonym "B-cell"
• exact_synonym "B-lymphocyte"
• is_a CL0000542 ! lymphocyte
• relationship develops_from CL0000826 ! pro-B
  cell

3
B cells
4
B cell Questions

• early pro-B cell and late pro-B cells, and
  pre-pro B cells
• Relationship of pre B cell and transitional stage
  B cell
• Missing B cell subtypes