 We first analyze the growth and transport process in the primary hypha  which is subject to particle  loss due to presence of  branching sites.
<meaning-changed>  We first analyze the growth and transport process in the primary hypha  which is subject to particle  loss due to presence of  branching sites.
 We first analyze the growth and transport process in the primary hypha which is subject to particle loss due to presence of dynamically created branching sites.