Corpus allatum and prothoracic gland, Biology

Assignment Help:

Corpus Allatum and Prothoracic Gland

Corpus Allatum

The corpus allatum is situated in the neck region of insects. It is generally a rounded, solid and translucent structure. Nerves to corpus cardiacum in front connect it. The allatum is densely packed along with small nuclei with little cytoplasm around them. It produces juvenile hormone. The juvenile hormone is a straight chain terpenoid (a type of lipid) compound of 16 to 19 carbon atoms.

1336_Corpus Allatum and Prothoracic Gland.png

Figure:  Prothoracic glands of an insect

Prothoracic Gland

The prothoracic glands are generally made up of loose strings of cells situated in the prothorax of immature insects. They generate the steroid hormone ecdysone. These glands undergo degeneration in the adult.


Related Discussions:- Corpus allatum and prothoracic gland

Shell - body form protozoans, Shell - body form Protozoans Majority of...

Shell - body form Protozoans Majority of protozoans posses an exoskeleton in the form of a shell, also called test. The shell forms a loose covering around the body of the ani

Define the role of vitamin d in the immune system, Define the Role of Vitam...

Define the Role of Vitamin D in the immune system? Immune responses that are, mediated by T-cells can be inhibited by tile large doses of calcitriol i.e. 1, 25 dihydroxycholec

Classification of nephrotic syndrome, Classification of Nephrotic Syndrome ...

Classification of Nephrotic Syndrome In childhood, nephrotic syndrome can be divided into minimal lesion nephrofic syndrome and  significant lesion nephrotic syndrome dependin

Classification of protozoa, Classification of Protozoa Traditionally, ...

Classification of Protozoa Traditionally, protozoans have been classified as flagellates, amoebae, sporozoans and ciliates. We have retained this broad grouping for convenienc

Cell, What is a Cell? The body of every living being is made up a livin...

What is a Cell? The body of every living being is made up a living matter or bio matter. In the organisms these matters occur only in the form of minute membrane bound unit lum

Eyelids, EYELID S - 3 in number. Dermis is thinnest in it. Upper an...

EYELID S - 3 in number. Dermis is thinnest in it. Upper and lower eye lid with eye lashes. Upper eye lid is more motile In reptiles lower eye lid is more motile. In cycl

Describe physical inactivity in lifestyle risk factors, Describe Physical I...

Describe Physical Inactivity in lifestyle risk factors? Prospective epidemiological studies have shown that a sedentary lifestyle is associated with an adverse effect on the ri

Human reproduction, Describe the events which lead to the formation of (a) ...

Describe the events which lead to the formation of (a) identical twins, (b) fraternal twins in detail

What is specific defence mechanism, What is Specific defence mechanism ...

What is Specific defence mechanism Specific:  These relate to specialized cells located throughout the  body which respond to invasion of foreign materials/microorganisms  su

Cavity development, A complete gut is sometimes called tube within a tube. ...

A complete gut is sometimes called tube within a tube. Why?

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