OCR A Biology
Tubule Cortex Loop Bowmans Glomerulus Convoluted Coiled Medulla
A nephron consists of Bowman's capsule (with glomerulus for ultrafiltration), proximal convoluted tubule (selective reabsorption), Loop of Henle, distal convoluted tubule, and collecting duct.
Um néfron consiste na cápsula de Bowman (com glomérulo para ultrafiltração), túbulo contorcido proximal (reabsorção seletiva), alça de Henle, túbulo contorcido distal e ducto coletor.
| Front |
structure of nephron |
| Back |
- Bowmans capsule - contains glomerulus (knot of cappilaries), more blood enters glomerulus than leaves due to ultrafilteration
- Proximal convoluted tubule - first coiled region of tubule after bowmans capsule, found in cortex and site of selective reabsorption
- Loop of Henle - long loop of tubule, descending loop goes from cortex to medulla and back to cortex
- Distal convoluted tubule - second coiled tubule in cortex where water-balance (walls permeable to ADH), pH and ion balance fine-tuned
- collecting duct - urine passes down collecting duct through medulla to pelvis, water balance further fine-tuned as walls permeable to ADH
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OCR A Biology