Internal factor - factor controlling metamorphosis in insect, Biology

Assignment Help:

Internal Factor - Factors Controlling Metamorphosis in Insects

Likewise to the amphibian metamorphosis, moulting and metamorphosis in insects has been found to be initiated internally via hormones. Hormonal control involves at least three organs of endocrine secretions. They are

(1) Prothoracic gland

(2) Corpora allata

(3) Brain (protocerebrum)

Figure depicts the endocrine glands associated with the brain in moths that is protocerebrum and corpora allata.

2108_Internal Factor - Factors controlling metamorphosis in insects.png

Figure: The endocrine glands associated with the brain in meal moths. a) Dorsal view of the brain in a meals moth pupa, b) Transverse section of the protocerebrum in a caterpillar of the meal moth


Related Discussions:- Internal factor - factor controlling metamorphosis in insect

What is the ph inside the stomach, Q. What is the pH inside the stomach? Wh...

Q. What is the pH inside the stomach? Why is there a need to keep that pH level? How is it maintained? Which are the cells that produce that pH? The normal pH of the gastric ju

Metalimnion - summer stratification, Metalimnion - Summer Stratification ...

Metalimnion - Summer Stratification This zone lies below the epilimnion and above the hypolimnion and thus forms the intermediate layer which is non-circulating. The metalimni

Under nourished persons - nutritional intervention using mna, Define Under ...

Define Under nourished persons - nutritional intervention using MNA? An MNA score below 17 indicates that the patient is suffering from under nutrition.  Thus in this situatio

What is subxiphoid short axis sweep, Q. What is Subxiphoid Short Axis Sweep...

Q. What is Subxiphoid Short Axis Sweep? To obtain the subxiphoid short axis view transducer should be rotated by 90 degree clockwise, fi-om the previous position so that p

Define advantages of colonies obtained at different dilution, Define Advant...

Define Advantages of Colonies Obtained At Different Dilution 1. As colonies grow both on the surface and beneath the agar surface, so aerobes facultative anaerobes and non-stri

Difference between carriers of hiv and aids patients, Q. What is the differ...

Q. What is the difference between carriers of HIV and AIDS patients? A person be able to be a carrier of the HIV without necessarily being affected by the immunodeficiency synd

Which of the substances is chromatin made, Q. Which Of the substances is ch...

Q. Which Of the substances is chromatin made? Chromatin is made of the DNA molecules associated to proteins known as histones.

Bone marrow transplant, BON E MARROW TRANSPLANT - It is transplante...

BON E MARROW TRANSPLANT - It is transplanted to treat leukemia. Here, graft itself causes immune rejection. Before transplant, the recipient's bone marrow cells, incl

What is glucose intolerance and diabetes, What is Glucose Intolerance and D...

What is Glucose Intolerance and Diabetes ? Insulin resistance, by perinsulinaemia and glucose intolerance appear to promote atherosclerosis. The prevalence of CAD raises from 2

Define water of oxidation or metabolic water, Define Water of oxidation or ...

Define Water of oxidation or metabolic water? Water that arises from oxidation of foods within the body, which is referred to as water of oxidation or metabolic water. Water wh

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