Jomo Kenyatta University Human Urinary System Questions
Jomo Kenyatta University Human Urinary System Questions
Student Discussion Assignment Lab
1. Briefly trace and discuss the flow of blood in the human kidney.
2. Briefly identify the structure and trace the development of urine production in the human kidney.
3. View the anatomical models Figure 40.2 and Figure 40.6 (a) from your Laboratory Manual and identify the structures that are described by the following abbreviated statements. Post your brief responses in the threaded Discussion Area below:
a. Storage of urine after leaving the kidney
b. Function of the urethra
c. Location of the juxtaglomerular apparatus (JGA)
d. Component/function of the JGA
4. View the photomicrograph slide Figure 40.7 from your Laboratory Manual and identify the microscopic structures indicated by a leader line, number, or bracket. In the threaded Discussion Area below, briefly describe the function of:
a. Figure 40.7 proximal convoluted tubule
b. Figure 40.7 distal convoluted tubule
c. Figure 40.7 glomerular capillary space
Explanation & Answer length: 1100 Words2 attachmentsSlide 1 of 2
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Ansiomy of the Urinary System 615 Gross Anatomy of the Human Urinary System The urinary system (Figure 40.1) comise of the paired manufacturine in the prices. The remaining organ of the kidneys and the new blade preside temperage reservar aparati thers. The kidney perform the function described above and cannel for urine Activity 1 Identifying Urinary System Organs Examine the human torso model, a large anatomical churt by the liver, the right kidney be alightly lower than the or a three-dimensional model of the urinary system to left kidney. The layers of support the surround sch locate and study the anatomy and relationship of the day. Beginning with the innermost layer they are (1) urinary organu. a transparent throuw upala per fer capsule 1. Locate the paired kidneys on the dorsal body wall in and the fibrous real fucila that holds the kidneys in the superior lumbar region. Nation that they are not po- place in a retroperitoneal position sitioned actly the same level cause it is crowded -Pierre wer -Ruge Det Adana Ueberries Tigane of the Baddeck Internal sphinchi Poste -Power Intermediate -Dealul sphincter Urogenital duplage 40 Spong Erde of paris Figure 40.2 Detailed structure of the urinary bladder, urethral sphincters, and urethra. The anterior wall of the bladder has been reflected aromitted to reveal the position of the trigonela) Male. Note that the long male urethra has three regiona prostatic, intermediate, and poney. Fumala In cases of rapid weight loss or in very thin indi- viduals, the fat capulemay be reduced or meager in amount. Sinas the kidney securely anchored, they may drop to a more interior the abdominal cavity. This phenomenon is called pois 2. Oberve the renal arteries as they diverge from the descanding and plunge into the indented medial re- gion, called the hillum, of each kidney. Note the real External ari Afferent arteriale Cuboidal epithelium of renal tubule Glomerular capillaries Cortical radiate artery -Glomerular capsular space Glomerulus Granular cells -Efferent arteriole -Glomerular capsular space -Glomerular capsule Renal tubule containing filtrate -Parietal layer of glomerular capsule -Macula densa (a) Peritubular capillary Renal tubules Glomerular capsular space Glomeruli To cortical radiate vein Three major renal processes: Urine Glomerular filtration Tubular reabsorption Tubular secretion (b) Figure 40.5 A schematic, uncoiled nephron. A kidney actually has millions of nephrons acting in parallel. The three major renal processes by which the kidneys adjust the composition of plasma are depicted. Black arrows show the path of blood flow through the renal microcirculation Figure 40.6 Microscopic structure of kidney tissue. (a) Detailed structure of the glomerulus (225x). b) Low-power view of the renal cortex (67%). 40 pathways. Somatic motor neurons leading to the external urethral sphincter are inhibited, causing the skeletal muscle to relax. With both sphincters open and the bladder contract- ing, urine is voided. Higher brain centers allow or inhibit the micturition reflex, depending on the convenience and desire to urinate. Inhibition of the micturition reflex relies in part on control of the external urethral sphincter. Lack of voluntary control over the external urethral sphincter is referred to as incontinence. Inconti- nence is normal in children under 2 years old, in older chil- dren and adults, it can result from spinal cord injuries or urinary tract pathology.
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Jomo Kenyatta University Human Urinary System Questions
Student Discussion Assignment Lab
1. Briefly trace and discuss the flow of blood in the human kidney.
2. Briefly identify the structure and trace the development of urine production in the human kidney.
3. View the anatomical models Figure 40.2 and Figure 40.6 (a) from your Laboratory Manual and identify the structures that are described by the following abbreviated statements. Post your brief responses in the threaded Discussion Area below:
a. Storage of urine after leaving the kidney
b. Function of the urethra
c. Location of the juxtaglomerular apparatus (JGA)
d. Component/function of the JGA
4. View the photomicrograph slide Figure 40.7 from your Laboratory Manual and identify the microscopic structures indicated by a leader line, number, or bracket. In the threaded Discussion Area below, briefly describe the function of:
a. Figure 40.7 proximal convoluted tubule
b. Figure 40.7 distal convoluted tubule
c. Figure 40.7 glomerular capillary space
Explanation & Answer length: 1100 Words2 attachmentsSlide 1 of 2
UNFORMATTED ATTACHMENT PREVIEW
Ansiomy of the Urinary System 615 Gross Anatomy of the Human Urinary System The urinary system (Figure 40.1) comise of the paired manufacturine in the prices. The remaining organ of the kidneys and the new blade preside temperage reservar aparati thers. The kidney perform the function described above and cannel for urine Activity 1 Identifying Urinary System Organs Examine the human torso model, a large anatomical churt by the liver, the right kidney be alightly lower than the or a three-dimensional model of the urinary system to left kidney. The layers of support the surround sch locate and study the anatomy and relationship of the day. Beginning with the innermost layer they are (1) urinary organu. a transparent throuw upala per fer capsule 1. Locate the paired kidneys on the dorsal body wall in and the fibrous real fucila that holds the kidneys in the superior lumbar region. Nation that they are not po- place in a retroperitoneal position sitioned actly the same level cause it is crowded -Pierre wer -Ruge Det Adana Ueberries Tigane of the Baddeck Internal sphinchi Poste -Power Intermediate -Dealul sphincter Urogenital duplage 40 Spong Erde of paris Figure 40.2 Detailed structure of the urinary bladder, urethral sphincters, and urethra. The anterior wall of the bladder has been reflected aromitted to reveal the position of the trigonela) Male. Note that the long male urethra has three regiona prostatic, intermediate, and poney. Fumala In cases of rapid weight loss or in very thin indi- viduals, the fat capulemay be reduced or meager in amount. Sinas the kidney securely anchored, they may drop to a more interior the abdominal cavity. This phenomenon is called pois 2. Oberve the renal arteries as they diverge from the descanding and plunge into the indented medial re- gion, called the hillum, of each kidney. Note the real External ari Afferent arteriale Cuboidal epithelium of renal tubule Glomerular capillaries Cortical radiate artery -Glomerular capsular space Glomerulus Granular cells -Efferent arteriole -Glomerular capsular space -Glomerular capsule Renal tubule containing filtrate -Parietal layer of glomerular capsule -Macula densa (a) Peritubular capillary Renal tubules Glomerular capsular space Glomeruli To cortical radiate vein Three major renal processes: Urine Glomerular filtration Tubular reabsorption Tubular secretion (b) Figure 40.5 A schematic, uncoiled nephron. A kidney actually has millions of nephrons acting in parallel. The three major renal processes by which the kidneys adjust the composition of plasma are depicted. Black arrows show the path of blood flow through the renal microcirculation Figure 40.6 Microscopic structure of kidney tissue. (a) Detailed structure of the glomerulus (225x). b) Low-power view of the renal cortex (67%). 40 pathways. Somatic motor neurons leading to the external urethral sphincter are inhibited, causing the skeletal muscle to relax. With both sphincters open and the bladder contract- ing, urine is voided. Higher brain centers allow or inhibit the micturition reflex, depending on the convenience and desire to urinate. Inhibition of the micturition reflex relies in part on control of the external urethral sphincter. Lack of voluntary control over the external urethral sphincter is referred to as incontinence. Inconti- nence is normal in children under 2 years old, in older chil- dren and adults, it can result from spinal cord injuries or urinary tract pathology.
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