The tiny filtering units of kidney are the nephrons.there are millions of them in our body.they contain a number of network of tubes, cells and canals specialised in transmittâ¦ingThe kidney is responsible for maintaining fluid balance within the body. The basic structural and functional units of the kidneys are the nephrons.
Oily hair in dogs is often caused by seborrhea, which is a skin disorder. This condition is also frequently called seborrheic dermatitis.. If your pooch has this common ailment, his skin's sebaceous glands are manufacturing inordinate levels of sebum. Some dog breeds are particularly susceptible to the inherited form of seborrhea.
Enlarged lymph nodes can be caused by infection, immune disorders or cancer. Skin tumors around the neck region can also cause the appearance of a swollen neck. If your dog is also chewing at her skin it may mean that the swelling and the itching are due to an underlying allergy or skin infection. Some pets are allergic to their collars which can appear as a circular area of hair loss and irritation around the neck.