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

State about electric field lines, State about Electric Field Lines Ele...

State about Electric Field Lines Electric Field Lines (lines of force) - show direction of force on a positive test charge from a distribution of charges.  The electric field

Classification, what is the mode of nutrition in fungi?

what is the mode of nutrition in fungi?

How might stem cells be used to treat brain diseases, How might stem cells ...

How might stem cells and other tools of "regenerative medicine" be used to treat brain diseases? Fuelled by the hope which stem cells may have the capacity to rebuild virtually

Explain metastatic carcinoma, Explain Metastatic carcinoma Metastatic ...

Explain Metastatic carcinoma Metastatic carcinoma:- Cancer that can be  transferred from one part of the body to other unrelated parts.

Difference between spermatid and spermatocyte ii, Q. What is the difference...

Q. What is the difference between spermatid and spermatocyte II? The spermatids (n) are the products of the second division of meiosis (meiosis II) in the male gametogenesis an

Vitamins and minerals requirement in chronic diarrhoea, Q. Vitamins and min...

Q. Vitamins and minerals requirement in chronic diarrhoea? Loss of vitamins is related to the degree of mucosal damage in chronic diarrhoea, which in turn impairs absorption an

Genitals examination of new born, Genitals check (in female), if ...

Genitals check (in female), if labia majora covers labia minora. In premature infant labia minora is not covered fully by labia majora.  check for discharge from vagin

What is autophagic intracellular digestion, What is autophagic intracellula...

What is autophagic intracellular digestion? Why is this type of intracellular digestion intensified in an organism undergoing starvation? Autophagic intracellular digestion is

Express the term in brief protonephridia., Express the term in brief - Prot...

Express the term in brief - Protonephridia. An osmoregulatory-excretory structure found in some invertebrates. Also known as a flamecell, this tubule is closed at its distal en

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