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The renal lobe is a portion of a kidney consisting of a renal pyramid and the renal cortex above it. [1] In humans, on average there are 7 to 18 renal lobes.
Part of the renal cortex, a medullary ray is a collection of renal tubules that drain into a single collecting duct. [citation needed] Renal histology is the study of the microscopic structure of the kidney. The adult human kidney contains at least 26 distinct cell types, [25] including epithelial, endothelial, stromal and smooth muscle cells ...
A cortical lobule (or renal lobule) is a part of a renal lobe. It consists of the nephrons grouped around a single medullary ray , and draining into a single collecting duct . Its near identical parallel is the rectal lobe [ citation needed ] , which is present in the majority of mammals.
The outer layer of each kidney is made up of a fibrous sheath called the renal capsule. The peripheral layer of the kidney is called the cortex and the inner part is called the medulla. The medulla consists of one or more pyramids, the bases of which start from corticomedullary border. Medulla pyramid with overlying cortex comprises the renal ...
The renal corpuscle is a blood-filtering part of the nephron and is located in the cortex. The renal tubule extends from the renal corpuscle to the medulla into the loop of Henle and then returns back to the cortex. Finally, the renal tubule flows with its distal end into its collecting duct, which is common to several nephrons.
The kidney is responsible for about half of the total gluconeogenesis in fasting humans. The regulation of glucose production in the kidney is achieved by action of insulin, catecholamines and other hormones. [14] Renal gluconeogenesis takes place in the renal cortex.
Bisphenol A (BPA), phthalates, and per- and polyfluoroalkyl substances (PFAS) are just a few of the chemicals known to imitate hormones and disrupt the body’s natural endocrine system, which is ...
The human urinary system, also known as the urinary tract or renal system, consists of the kidneys, ureters, bladder, and the urethra. The purpose of the urinary system is to eliminate waste from the body, regulate blood volume and blood pressure, control levels of electrolytes and metabolites , and regulate blood pH .