[tag=NNS] [lemma=□] □
[tag=NNS] [lemma=","] □
Confocal Microscopy Digital Image Gallery - Scroll through serial optical sections from a wide variety of specimens , including tissue culture cells , thin and thick sections , and entire organisms , in this Java-powered image gallery . Its purpose is to offer a forum for discussion of victories , defeats , good days , bad days , and to give or receive encouragement in dealing with the daily stressors of blindness . Homological and homotopical algebra , K-theory , topology of manifolds , geometric and categorical structures , homology theories , topological groups and algebras , stable homotopy theory , group actions , algebraic varieties , category theory , cobordism theory , controlled topology , noncommutative geometry , motivic cohomology . Figure 15 shows a model of segmented pelvic contents of the VHF , showing the hip bones , female reproductive system , and urinary system . The journal publishes articles on : homotopy in the broad sense , homological and homotopical algebra , K-theory , topology of manifolds , geometric and categorical structures , homology theories , topological groups and algebras , stable homotopy theory , group actions , algebraic varieties , category theory , cobordism theory , controlled topology , noncommutative geometry , motivic cohomology .