👉 The term "Urechinidae" refers to a group of mammals that are characterized by their distinctive, curved, and elongated urethra, which is located in the lower part of the urinary system. This structure allows for efficient waste removal and storage of urine before it is reabsorbed into the bloodstream. Urechinidae includes species such as humans (Urochellosides), dogs (Durocides), cats (Cats), and birds (B
