Week 12 - Sense and special organs in fishes

• The most common cells of lymph nodes are lymphocytes, macrophages and other APCs, plasma cells, and reticular cells; follicular dendritic cells are present within the lymphoid

• Mature lymphocytes leave the primary lymphoid organs to reside in secondary lymphoid organs , where their role is to encounter and respond to foreign

 The skin of fish consists outer epidermis and inner dermis.  Epidermis consists of stratified and Malpighion

Because the main purpose of roots is to probe the soil for water and minerals at a distance from the plant, primary growth is their most important growth process....  Most new

If two subsidiary cells are born in the complex, the stoma is either paracytic (the longitudinal axis of subsidiary cells is parallel with those of the guard cells) or

Palisade parenchyma cells may be present in more than one layer in plants that grow in an environment where they are exposed to more sunlight likewise, xerophyte plants may

These holes enable gas exchange when stomata is open; water vapor and oxygen is released outside and carbon dioxide and air is transferred to the leaf.The location of the stomata in

These roots have some ability to absorb water and nutrients, but their main function is transport and to provide a structure to connect the smaller diameter, fine roots to the rest