Kidney(General Anatomy and Histology)
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The kidney is composed of an outer cortex and inner medulla. The basic functional unit of the kidney is the nephron, which contains the renal corpuscle and renal tubule. The renal corpuscle is located in the cortex and consists of the glomerulus and Bowman's capsule. The renal tubule contains the proximal convoluted tubule, loop of Henle, and distal convoluted tubule. The medulla contains only straight tubules like the loop of Henle and collecting ducts.
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The urinary system consists of the kidneys, ureters, urinary bladder, and urethra. The kidneys filter waste from the blood to form urine. Each kidney contains over 1 million nephrons, the basic functional units that filter blood and form urine. Urine travels from the kidneys through the ureters to the urinary bladder, where it is stored until micturition. During micturition, muscles contract to expel urine through the urethra and out of the body. Precise regulation of urine production, composition, and excretion helps maintain fluid and electrolyte balance in the body.1-Renal Physiology 1 (Renal Functions & Basic Concepts).ppt
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Histology of Urinary system is a part of anatomy that I offer and I recommend that material STUDY OF BASIC FUNCTIONAL ANATOMY OF NEPHRON
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The document provides details on renal anatomy and histology. It describes the structure and function of the kidney, nephron, blood supply, and other components. Key points include:
- The kidney contains nephrons that filter blood to form urine and regulate water/electrolyte balance.
- Nephrons consist of a renal corpuscle, proximal tubule, loop of Henle, distal tubule and collecting duct.
- Juxtamedullary nephrons help concentrate urine while cortical nephrons filter plasma and reabsorb molecules.
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The urinary system consists of the kidneys, ureters, bladder, and urethra. The kidneys contain over 1 million nephrons, the functional units that filter blood to form urine. Each nephron contains a renal corpuscle for blood filtration and a renal tubule for reabsorption and secretion. Urine drains from the nephrons into the renal pelvis and exits through the ureters into the bladder, then through the urethra. The kidneys regulate fluid and electrolyte balance and blood pressure through glomerular filtration, tubular reabsorption and secretion, and neural and hormonal controls of the filtration rate.Recently uploaded (20)
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Kidney(General Anatomy and Histology)
- 1. Kidney M. FARAN YOUSAF KBCMA College of Veterinary and Animal Sciences, Narowal.
- 2. Outline: Introduction Nephron Cortex Renal Corpuscle Renal Tubules Medulla
- 3. Introduction: Kidneys are paired structures functioning in filtration of blood. Mostly bean shaped in all species. Divided into renal cortex and medulla. Outside covered with thick connective tissue called Capsule.
- 8. Nephron: Basic functional unit of kidney. Has 2 main portions: Renal corpuscle: i.Glomerulus ii.Bowmans capsule Renal tubule: i.Proximal convoluted tubule ii.Loop of Henle iii.Distal convoluted tubule
- 9. Position of Juxtamedullary nephron in kidney
- 10. Renal Cortex: Outer-dark red portion Divides into: Cortical labyrinth(pars convoluta) Medullary rays(pars radiata) Composed of both straight tubules and convoluted tubules. Renal corpuscle is present only in renal cortex. PCT and DCT are also present.
- 11. Renal corpuscle: It consists of Glomerulus Bowmans capsule Additionally, present things are: Mesangium Macula densa
- 12. PCT and DCT: PCT contains brush borders while DCT dont have any brush borders. So thats an important point in their identification.
- 14. Renal Medulla: Inner lighter-colored portion Only contains straight tubules (Loop of Henle and Collecting ducts) Loop of Henle = simple squamous Ep. Collecting ducts = Simple columnar Ep.
- 16. References: Dellmans Book of Veterinary Histology Color Atlas of Veterinary Histology Google