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What is Urethra? Definition of Urethra The urethra is a tube that carries urine from the bladder to the outside of the body. In males, it also transports semen during ejaculation. Structure of Urethra The urethra is a fibrous and muscular tube that serves as the conduit for urine from the urinary bladder to the … Read more
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Definition of Simple columnar epithelium The simple columnar epithelium, which is one type of epithelium, is made up of a single layer consisting of long, elongated cells. These cells are located in areas where absorption or secretion are the primary functions. The cells of the columnar epithelium can also be modified, just like cuboidal epithelium. … Read more
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What is Stratified cuboidal epithelium? Definition of Stratified cuboidal epithelium Stratified cuboidal epithelium is a type of epithelial tissue characterized by multiple layers of cells, with the surface layer consisting of cube-shaped cells. It is primarily found in glandular structures and plays roles in protection, selective absorption, and secretion. Stratified cuboidal epithelium labeled Stratified cuboidal … Read more
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What is Smooth Muscle? Definition of Smooth Muscle Smooth muscle is an involuntary, non-striated muscle tissue found primarily in the walls of hollow organs and blood vessels, responsible for functions such as regulating blood flow and propelling substances through organs. Characteristics of smooth muscle Smooth muscle tissue, distinct from its skeletal and cardiac counterparts, exhibits … Read more
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What is Bone? Definition of Bone Bone is a rigid connective tissue that forms the framework of the skeletal system in humans and other vertebrates. It provides structural support, protects internal organs, enables movement, produces blood cells, stores minerals, and maintains overall body rigidity. Features of Bone Bones possess several notable features that contribute to … Read more