There are two major lineages that are derived from hematopoietic stem cells; the one that gives rise to T cells and B cells is called the

The two lineages are the lymphoid and myeloid;

The lymphoid lineage gives rise to the immune cells, including T and B lymphocytes

sorry, is there a picture? i do not see any arrows.

wut? unius0123 wut?

answer >   yes we do, women; have three holes, urethral opening(pee hole, vagina, and the women pee/girls pee out of the urethra like the men do; only they have a single opening to pee/ejaculate.   (sorry if i'm too forward with this, but this is for a biology class, isn't it? )

hope that !         : )