Define goitre - thyroid gland, Science

Assignment Help:

Define Goitre - Thyroid Gland

Goitre or the enlargement of thyroid gland is one of the critical manifestations of iodine deficiency. Iodine, as you must have realized by now, is an important micronutrient required by our body for the formation of thyroid hormone production. Only small amount, 1 mg per week is necessary for the formation of tri-iodothyroxine and thyroxine. If due to lack of iodine in water or soil or due to any reason, even this small amount of iodine is not supplied, goitre or enlargement of thyroid gland results.

The actual swelling of the gland is due to the accumulation of colloid in the acini. Sometimes, it could be possible that inspite of adequate iodine intake, there is a deficiency of iodine in our body. Now how does that happens? The answer to this is the presence of certain anti-thyroid substances in the body. What are these 'anti-thyroid substances'? Well, anti-thyroid substances are those substances that suppress the thyroid activity. Thiocyanate and propylthiouracil are examples. Thiocyanate reduces the rate of uptake of iodine by thyroid cells. Propylthiouracil prevents die formation of thyroid hormones. These, along with other anti-thyroid drugs, can be used for the treatment of hyperthyroidism. Hence, by maintaining BMR, normal functioning of thyroid is essential to remain in a balanced state of metabolism.


Related Discussions:- Define goitre - thyroid gland

Space, all stars have a life cycle. the stages of stars that are bigger tha...

all stars have a life cycle. the stages of stars that are bigger than the sun?

Explain ester formation, Explain Ester  formation Ester  formation : ...

Explain Ester  formation Ester  formation : In presence of dry HCl, amino acids react with alcohol to form esters.  This  is  one of  the  ways of blocking XOOH group  in  the

Explain dyes for measurement of plasma volume, Explain Dyes for Measurement...

Explain Dyes for Measurement of Plasma Volume: A number of dyes, commonly known as 'vital dyes', have the ability to combine with proteins. When such a dye is injected into the

Explain the olfactory receptors, Explain the Olfactory receptors In the...

Explain the Olfactory receptors In the section on taste receptors earlier, we learnt that there is a regional distribution of taste buds for primary taste sensations like sweet

What is permanent wilting percentage, What is permanent wilting percentage ...

What is permanent wilting percentage As plants absorb water from a soil, they lose most of it through evaporation at the leaf surface.  Some water is also lost by evaporation d

Define the categories of soil structure, Define the categories of Soil stru...

Define the categories of Soil structure Three broad categories of soil structure.   These are:  1)  Single grained, where each particle in a soil functions as an indivi

Baffled tank with a six blade turbine agitator, The diagram below shows a b...

The diagram below shows a baffled tank with a six blade turbine agitator: FIGURE 1 (a)    Is a side view (b)   Is a bottom view (c)    Gives dimensions of the tu

Driving a boat by surface tension, Driving a boat by surface tension Se...

Driving a boat by surface tension Secure some gum camphor at the drug shop. Cut two or three boats from stiff paper, every about 2.5 cm in length. Cut a notch in the stern larg

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