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urinary system
Question | Answer |
---|---|
AFFERENT GLOMERULAR ARTERIOLES | THE SMALLEST ARTEROILE BRANCHES THAT CARRY BLOOD INTO THE GLOMERULUS FOR FILTRATION |
BOWMAN'S CAPSULE | PART OF THE RENAL CORPUSCLE. IT CONSISTS OF TWO LAYERS; AN INNER, VISCERAL LAYER THAT LIES DIRECTLY ON THE GLOMERULAR CAPILLARIES AND AN OUTER, PARIETAL LAYER. IT FUNCTIONS AS A PLASMA FILTER IN THE PROCESS OF URINE FORMATION. |
COLLECTING DUCTS | THE TUBULE SYSTEM THAT COLLECTS TUBULAR FILTRATE FROM THE DISTAL CONVOLUTED TUBULES AND CARRIES IT TO THE RENAL PELVIS. |
DISTAL CONVOLUTED TUBE | THE LAST TUBULAR PART OF THE NEPHRON BEFORE IT ENTERS THE COLLECTING DUCT. DCT'S ARE FOUND IN THE KIDNEYS CORTEX. |
EFFERENT GLOMERULAR ARTERIOLES | ARTERIOLES THAT LEAVE THE GLOMERULUS. THEY ARE CARRYING BLOOD THAT HAS BEEN FILTERED BY THE GLOMERULUS. |
GLOMERULAR CAPILLARIES | PART OF THE RENAL CORPUSCLE URINE PRODUCTION BEGINS HERE WHEN PLASMA IS FILTERED OUT OF THE GLOMERULAR CAPILLARIES AND INTO THE CAPSULAR SPACE. |
GLOMERULUS | THE TUFT OF CAPILLARIES FOUND IN THE RENAL CORPUSCLE; ALSO CALLED GLOMERULAR CAPILLARIES. |
HILUS OF THE KIDNEY | INDENTED AREA ON THE MEDFIAL SIDE WHERE BLOOD OR LYMPH VESSELS AND NERVES ENTER AND LEAVE AND WHERE THE URETERS LEAVE THE ORGAN. |
LOOP OF HENLE | THE MIDDLE PART OF THE TUBULAR PORTION OF A NEPHRON |
NEPHRON | THE BASIC FUNCTIONAL UNIT OF THE KIDNEY. IT IS COMPOSED OF THE RENAL CORPUSCLE AND THE TUBULE SYSTEM, WHICH IS MADE UP OF THE PROXIMAL CONVOLUTED TUBULE, LOOP OF HENLE, AND DISTAL CONVOLUTED TUBULE. |
PERITUBULAR CAPILLARIES | CAPILLARIES THAT BRANCH OFF FROM THE EFFERENT GLOMERULAR ARTEROLIES. THEY FLOW THROUGH THE KIDNEY CLOSELY ASSOCIATED WITH TUBULES OF THE NEPHRON. |
PROXIMAL CONVOLUTED TUBULE | FIRST PART OF THE TUBULAR PORTION OF A NEPHRON |
RENAL ARTERY | MAJOR ARTERIAL BLOOD SUPPLY TO THE KIDNEY, BRANCH OFF OF THE AORTA AND ENTERS KIDNEYS AT THE HILUS. |
RENAL CORPUSCLE | FIRST PART OF THE NEPHRON COMPOSED OF GLOMERULAR CAPILLARIES AND BOWMAN'S CAPSULE. |
RENAL PELVIS | COLLECTION POINT FOR TUBULAR FILTRATE AS IT LEAVES THE COLLECTING DUCT. |
RENAL VEIN | THE MAJOR VEIN THAT DRAINS THE KIDNEY. IT IS FORMED FORM VENULES THAT ARE FORMED FROM A VONVERGENCE OF THE PERITUBULAR CAPILLARIES |
URETERS | THE MUSCULAR TUBES THAT LEAVE THE KIDNEY AT THE HILUS AND CONNECT TO THE URINARY BLADDER. THEY MOVE URINE TO THE BLADDER BY PERISTALTIC, SMOOTH MUSCLE CONTRACTIONS. |
URETHRA | THE TUBE THAT CONNECTS THE URINARY BLADDER WITH THE OUTSIDE WORLD. IN THE FEMALE, IT ONLY CONDUCTS URINE. IN THE MALE, IT CONDUCTS URINE AND SEMEN. |
ADH | ANTIDIURETIC HORMONE |
ALDOSTERONE | STIMULATES SODIUM REABSORPTION IN THE KIDNEY |
KIDNEY | EXTRACT AND REMOVE METABOLIC WASTE FROM THE BLOOD |
RIGHT KIDNEY IS | CRANIAL |
MEDULLA | CONTAINS THE LOOP OF HENLE AND MOST COLLECTING TUBULES |
THE APEX OF THE PYRAMID OF THE MEDULLA IS THE PAPILLA WHICH OPENS INTO THE | RENAL PELVIS |
URETERS HAVE ------ MUSCLE | SMOOTH |
URETERS | CAPABLE OF PERISTALSIS TO MOVE URINE TO THE URINARY BLADDER |
URINARY BLADDER HAS | SMOOTH MUSCLE |
URINARY BLADDER | IS LINED WITH TRANSITIONAL EPITHELIUM |
FILTRATION | BLOOD ENTERS THE GLOMERULUS BY THE AFFERENT ARTERIOLE |
BOWMANS CAPSULE | THE FILTRATE IS NOW CALLED THE GLOMERULAR FILTRATE, |
THE RATE OF WHICH GLOMERULAR FILTRATE IS FORMED IS CALLED | THE GLOMERULAR FILTRATION (GFR) |
RESORPTION | OCCURS IN THE PCT'S AND THE LOOP OF HENLE, |
SUBSTANCES NEEDED BY THE BODY ARE RESORBED FROM THE | GLOMERULAR FILTRATE INTO THE PERITUBLULAR CAVITIES. |
TUBULAR REABSORPTION | RETURN OF FILTRATES FROM BLOOD AT THE PROXIMAL TUBULE THROUGH DIFFISION AND ACTIVE TRANSPORT |
REABSORPTION OF WATER | RETURN OF WATER VIA OSMOSIS ALONG THE LOOP OF HENLE AND COLLECTING DUCT |
TUBULAR SECRETION | MOVEMENT OF MOLECULES FROM BLOOD INTOTHE DISTAL CONVOLUTED TUBULE |
MOLECULES | DRUGS AND TOXINS |
SECRETION | SUBSTANCES ARE SELECTIVELY SECRETED FROM THE PERITUBULAR CAPILLARIES INTO THE DCT |