Influence - ; as hydrogen ions are transported into &...

Info iconThis preview shows pages 1–2. Sign up to view the full content.

View Full Document Right Arrow Icon
osmoreceptors, which effect release of ADH from the posterior pituitary Kevin Kelleher, MTC Biology 211 Study Notes Exam 4 3 ADH increases water reabsorption from the collecting ducts o ANP o Influence of other hormones: Estrogens & glucocorticoids tubular reabsorption of sodium - Regulation of potassium balance: o potassium ions important for electrical conduction o potassium ions also part of the blood buffer system
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Background image of page 2
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: ; as hydrogen ions are transported into & out of cells, potassium ions are transported in the opposite direction o cortical collecting ducts predictably excrete ~ 15% of potassium ions in filtrate (~ 85% reabsorbed from tubules & loop of Henle) o when ECF potassium concentration is low, excretion of potassium can be reduced, & some collecting duct cells can reabsorb some potassium o in the presence of aldosterone , f or each sodium reabsorbed, a potassium ion is secreted to maintain electrolyte balance- Regulation of other ions: o Calcium & phosphate ion levels are regulated by the interaction of parathyroid hormone & calcitonin o Chloride ion reabsorption is ordinarily coupled to sodium ion reabsorption & transport (ordinarily nearly all chloride ions reabsorbed) page3...
View Full Document

This note was uploaded on 12/04/2011 for the course ANTHRO 2000 taught by Professor Monicaoyola during the Fall '10 term at Broward College.

Page1 / 2

Influence - ; as hydrogen ions are transported into &...

This preview shows document pages 1 - 2. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online