{"id":5458,"date":"2016-11-06T13:12:56","date_gmt":"2016-11-06T13:12:56","guid":{"rendered":"https:\/\/courses.lumenlearning.com\/ap1x2-91\/?post_type=chapter&#038;p=5458"},"modified":"2017-05-11T14:54:56","modified_gmt":"2017-05-11T14:54:56","slug":"age-related-changes-to-the-urinary-system","status":"publish","type":"chapter","link":"https:\/\/courses.lumenlearning.com\/atd-herkimer-biologyofaging\/chapter\/age-related-changes-to-the-urinary-system\/","title":{"raw":"Age Related Changes to the Urinary System","rendered":"Age Related Changes to the Urinary System"},"content":{"raw":"<h3>Kidneys<\/h3>\r\nAfter the age of 40 there\u00a0is a decrease in the number of cells within the kidney.\u00a0 As this is happening there is a thickening of the connective tissue capsule surrounding the organ and a decrease in the thickness of the cortical region.\r\n\r\nThe loss of kidney cells is explained mostly by a loss of glomeruli. As glomeruli are responsible for filtration, the loss of cells is associated with a loss of kidney functioning.\r\n<h3>Bladder and Urethra<\/h3>\r\nThe walls of the bladder and urethra are made of smooth muscle.\u00a0 With age this muscle tissue weakens and is less elastic.\u00a0 This means that the bladder is less able to expand and contract in older people.\u00a0 As a result, the bladders of elderly people have a capacity of approximately one-half of young adults and the bladders are unable to fully evacuate during urination.\r\n\r\n&nbsp;","rendered":"<h3>Kidneys<\/h3>\n<p>After the age of 40 there\u00a0is a decrease in the number of cells within the kidney.\u00a0 As this is happening there is a thickening of the connective tissue capsule surrounding the organ and a decrease in the thickness of the cortical region.<\/p>\n<p>The loss of kidney cells is explained mostly by a loss of glomeruli. As glomeruli are responsible for filtration, the loss of cells is associated with a loss of kidney functioning.<\/p>\n<h3>Bladder and Urethra<\/h3>\n<p>The walls of the bladder and urethra are made of smooth muscle.\u00a0 With age this muscle tissue weakens and is less elastic.\u00a0 This means that the bladder is less able to expand and contract in older people.\u00a0 As a result, the bladders of elderly people have a capacity of approximately one-half of young adults and the bladders are unable to fully evacuate during urination.<\/p>\n<p>&nbsp;<\/p>\n\n\t\t\t <section class=\"citations-section\" role=\"contentinfo\">\n\t\t\t <h3>Candela Citations<\/h3>\n\t\t\t\t\t <div>\n\t\t\t\t\t\t <div id=\"citation-list-5458\">\n\t\t\t\t\t\t\t <div class=\"licensing\"><div class=\"license-attribution-dropdown-subheading\">CC licensed content, Original<\/div><ul class=\"citation-list\"><li>Age Related Changes to the Urinary System. <strong>Authored by<\/strong>: Kelly, Jessica. <strong>Provided by<\/strong>: Herkimer College. <strong>Located at<\/strong>: <a target=\"_blank\" href=\"http:\/\/NA\">http:\/\/NA<\/a>. <strong>Project<\/strong>: AtD Course. <strong>License<\/strong>: <em><a target=\"_blank\" rel=\"license\" href=\"https:\/\/creativecommons.org\/licenses\/by\/4.0\/\">CC BY: Attribution<\/a><\/em><\/li><\/ul><\/div>\n\t\t\t\t\t\t <\/div>\n\t\t\t\t\t <\/div>\n\t\t\t <\/section>","protected":false},"author":339,"menu_order":6,"template":"","meta":{"_candela_citation":"[{\"type\":\"original\",\"description\":\"Age Related Changes to the Urinary System\",\"author\":\"Kelly, Jessica\",\"organization\":\"Herkimer College\",\"url\":\"NA\",\"project\":\"AtD Course\",\"license\":\"cc-by\",\"license_terms\":\"\"}]","CANDELA_OUTCOMES_GUID":"","pb_show_title":"on","pb_short_title":"","pb_subtitle":"","pb_authors":[],"pb_section_license":""},"chapter-type":[],"contributor":[],"license":[],"class_list":["post-5458","chapter","type-chapter","status-publish","hentry"],"part":3541,"_links":{"self":[{"href":"https:\/\/courses.lumenlearning.com\/atd-herkimer-biologyofaging\/wp-json\/pressbooks\/v2\/chapters\/5458","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/courses.lumenlearning.com\/atd-herkimer-biologyofaging\/wp-json\/pressbooks\/v2\/chapters"}],"about":[{"href":"https:\/\/courses.lumenlearning.com\/atd-herkimer-biologyofaging\/wp-json\/wp\/v2\/types\/chapter"}],"author":[{"embeddable":true,"href":"https:\/\/courses.lumenlearning.com\/atd-herkimer-biologyofaging\/wp-json\/wp\/v2\/users\/339"}],"version-history":[{"count":3,"href":"https:\/\/courses.lumenlearning.com\/atd-herkimer-biologyofaging\/wp-json\/pressbooks\/v2\/chapters\/5458\/revisions"}],"predecessor-version":[{"id":5466,"href":"https:\/\/courses.lumenlearning.com\/atd-herkimer-biologyofaging\/wp-json\/pressbooks\/v2\/chapters\/5458\/revisions\/5466"}],"part":[{"href":"https:\/\/courses.lumenlearning.com\/atd-herkimer-biologyofaging\/wp-json\/pressbooks\/v2\/parts\/3541"}],"metadata":[{"href":"https:\/\/courses.lumenlearning.com\/atd-herkimer-biologyofaging\/wp-json\/pressbooks\/v2\/chapters\/5458\/metadata\/"}],"wp:attachment":[{"href":"https:\/\/courses.lumenlearning.com\/atd-herkimer-biologyofaging\/wp-json\/wp\/v2\/media?parent=5458"}],"wp:term":[{"taxonomy":"chapter-type","embeddable":true,"href":"https:\/\/courses.lumenlearning.com\/atd-herkimer-biologyofaging\/wp-json\/pressbooks\/v2\/chapter-type?post=5458"},{"taxonomy":"contributor","embeddable":true,"href":"https:\/\/courses.lumenlearning.com\/atd-herkimer-biologyofaging\/wp-json\/wp\/v2\/contributor?post=5458"},{"taxonomy":"license","embeddable":true,"href":"https:\/\/courses.lumenlearning.com\/atd-herkimer-biologyofaging\/wp-json\/wp\/v2\/license?post=5458"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}