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

Show the collection of primary samples of grain, Q. Show the Collection of ...

Q. Show the Collection of Primary Samples of grain? Sampling of grains begins with the collection of the primary sample i.e. sample of the consignment. The process involved in

What is drugs, What is drugs? Intravenous access must be established. A...

What is drugs? Intravenous access must be established. Although administration of drugs through a central vein is ideal in a low cardiac output situation, it is rarely possible

Artificial parthenogenesis, Artificial Parthenogenesis In various cas...

Artificial Parthenogenesis In various cases, the eggs that normally develop only after fertilisation can be experimentally induced to develop parthenogenetically by specific

Cell coat and its functions, CELL COAT (GLYCOCALYX) Present in Proti...

CELL COAT (GLYCOCALYX) Present in Protists and animal cells. Usually made of oligosaccharide side chains of glycolipids and glycoproteins. Cell coat has very charged t

What are social dangers, Members belonging to the scientific community fear...

Members belonging to the scientific community fear the misuse of this therapy leading to dangerous consequences.  People may try to insert the desired gene, for example, the gene f

Explain adaptive radiation and convergence, Adaptive radiation OR convergen...

Adaptive radiation OR convergence Adaptive radiation Explanation of the adaptive radiation process linked to the introduction of a single species and the wide range

Fertilization - pre-embryonic development, Fertilization - Pre-Embryonic De...

Fertilization - Pre-Embryonic Development Ovulation generally takes place between 9th to 14th day after the end of last menstrual period. Fertilization of oocyte initiates dev

Brain, What are the types of brain?

What are the types of brain?

Can we make artificial cells, Q. Can we make artificial cells? Research...

Q. Can we make artificial cells? Research in progress at the "National Aeronautical and Space Administration (NASA)" is focused on artificial cells as a means to deliver medici

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