In this task, you will be given sentences in which you have to recognize the name of the body cells. A cell is a mass of cytoplasm that is bound externally by a cell membrane. Usually microscopic in size, cells are the smallest structural units of living matter and compose all living things. Although there might be several correct answers, you need to write one of them.

 Important parameters are tumor site , depth of invasion , histological type and grade , pattern of invasion ( diffusely infiltrating versus expanding margin ) , degree of peritumoral lymphocytic infiltration , and tumor involvement of surgical margins and lymph nodes .
peritumoral lymphocytic

 The authors have used reverse transcription / polymerase chain reactions to accomplish a comprehensive examination of the RNA expression for 58 distinct mammalian protein tyrosine and dual specificity phosphatase ( PTPase ) and PTPase - like genes in the normal human diploid fibroblast cell line WI - 38 .
fibroblast

 These signals were evident in both the pigmented and non - pigmented epithelial cell layers of the pars plicata region of the ciliary processes , but not in the pars plana or in the ciliary musculature .

epithelial cell