Define gastrointestinal tract - excretion of zinc in humans, Biology

Assignment Help:

Define Gastrointestinal tract - Excretion of Zinc in Humans?

Majority of zinc is lost from the body in faeces. Endogenous zinc in the form of enzymes or metallo-proteins is secreted into the gastrointestinal tract by the salivary glands, intestinal mucosa, pancreas and liver. Some of this zinc is reabsorbed while some is excreted. Sloughed enterocytes also contribute to faecal zinc. Endogenous intestinal losses can vary from 7 μmol/day (0.5 mg/day) to more than 45 μmol /day (3 mg /day), depending on zinc intake-the higher the intake, the greater the losses.


Related Discussions:- Define gastrointestinal tract - excretion of zinc in humans

What do you mean by digestive enzymes, Q. Besides the pancreatic juice in t...

Q. Besides the pancreatic juice in the intestine there is the releasing of the enteric juice that contains digestive enzymes too. What are these enzymes and which type of molecule

Example of codominance, In shorthorn cattle, the coat colours red or white ...

In shorthorn cattle, the coat colours red or white are controlled by a single pair of alleles. A calf which receives the allele for red coat from its mother and the allele for whit

Explain about the incidence of defects in color vision, Explain about the I...

Explain about the Incidence of defects in color vision Defects in colour vision can either be congenital or acquired. Males are more affected than females. Out of the populatio

Estimation of protein by carcass nitrogen analysis method, Define Estimatio...

Define Estimation of protein by Carcass nitrogen analysis method? Carcass nitrogen analysis: This method includes Nitrogen retention method Net protein utilization

Origin and delivery - transport in phloem, Origin and Delivery - Transport ...

Origin and Delivery - Transport in Phloem We have stated above that transport of photosynthates starts from leaves and ends up in one or the other sink tissue. Though this is

What is the meaning of accumulation, What is the meaning of accumulation ...

What is the meaning of accumulation The word "accumulation" is used in many of the definitions in the sense that th e horizon must have more of the material in question than i

Coelomoducts in polyplacophora, Coelomoducts in Polyplacophora In Poly...

Coelomoducts in Polyplacophora In Polyplacophora the coelomoducts divide in the region of coelomostome and the gonadal cavities become closed off from pericardial coelom. The

What is a membrane, Membrane is any delicate sheet that divides one region ...

Membrane is any delicate sheet that divides one region from other blocking or permitting (selectively or completely) the passage of substances. The skin, for example, can be consid

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd