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Английский язык для медиковThe smooth muscle of the bladder is derived from splanchnic mesoderm. Mile urethra is anatomically divided into three portions: prostatic membranous, and spongy (penile). The prostatic urethra, membranous urethra, and proximal penile urethra develop from the narrow portion of the uro genital sinus below the urinary bladder. The distal spongy urethra is derived from the ectodermal cells of the glans penis. Fimale urethra: The upper twothirds develops from the esonephric ducts, and the lower portion is derived from the ogenital sinus. New words urinary system мочевая система kidneys почки bladder мочевой пузырь excretory ducts выделительные трубочки pronephros первичная почка urogenital мочеполовой 48.PThe urinary system: kidneys The urinary system is the major system involved in the excre tion of metabolic waste products and excess water from the body. It is also important in maintaining a homeostatic bal ance of fluids and electrolytes. The urinary system consists of two kidneys, two ureters, the urinary bladder, and the ure thra ...» |
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