Answer:
The correct answer is option B-reticulin.
Step-by-step explanation:
Stem cells are undifferentiated cells which show the ability of self-renewing and differentiating into more tissue-specific cells. The body an use these stem cells whenever it needs.
They are found in a specific area of each tissue called "stem cell niche" where they are surrounded by cell-matrix proteins like glycoproteins, proteoglycans and reticulin.
Reticulin fibres are the connective tissue which is produced by the fibroblasts and is made up of type III collagen which is present in bone marrow, lymphatic tissues.
Thus, B-reticulin is the correct answer.