Briefly explain about archenteron and blastopore, Biology

Assignment Help:

Q. What are the archenteron and the blastopore? What is the stage of the embryonic development in which these structures are formed? What are the destinations of the archenteron and of the blastopore?

Archenteron is the tube formed during gastrulation by means of invagination of the blastula wall inside the blatocele and it is the origin of the gastrointestinal tract. Blastopore is the opening of the archenteron to the exterior and the blastopore gives birth to one of the extremities of the digestive tube: the anus in deuterostome beings or the mouth in protostome beings.


Related Discussions:- Briefly explain about archenteron and blastopore

Determine the long buccal nerve, Long buccal nerve The long buccal nerv...

Long buccal nerve The long buccal nerve is a branch of the mandibular division of the trigeminal nerve which provides sensory innervation to the buccal gingiva and mucosa of th

Signify the term - proglottids, Signify the term - Proglottids? Seriall...

Signify the term - Proglottids? Serially repeating segment like structures found in tapeworms which contain reproductive organs. Immature proglottids are continually added at t

Heart in mammals, Birds and Mammals - Heart is 4 chambered. 2 au...

Birds and Mammals - Heart is 4 chambered. 2 auricles & 2 ventricles. Sinus venosus & truncus arteriosus absent. Arteriovenous heart. Double circulation i.e. pre

How are fruits formed, How are fruits formed? The fecundation in angios...

How are fruits formed? The fecundation in angiosperms triggers the release of hormones that act upon the ovaries. The ovary wall then makes into a fruit that having the seeds.

What are cd4 lymphocytes, What are CD4 lymphocytes? What is the relationshi...

What are CD4 lymphocytes? What is the relationship between these cells and HIV? How does HIV replicate? CD4 lymphocytes are T helper lymphocytes that there in their plasma memb

How are poriferans characterized, Concerning digestion how are poriferans c...

Concerning digestion how are poriferans characterized? Sponges are dissimilar from other animals since they present only intracellular digestion. They do not have a digestiv

Explain diseases of pericardium, Q. Explain Diseases of pericardium? Pe...

Q. Explain Diseases of pericardium? Pericardium is the sac covering the heart. Pericardium consists of two layers-the visceral pericardium (epicardium) and the parietal pericar

Define sample titration for estimation of reducing sugar, Define Sample Tit...

Define Sample Titration for Fehling Soxhlet Method Dilute the given sample glucose solution in 100 ml volumetric flask to the mark with distilled water. Pipette 5 ml of Fehling

What is consciousness, The importance of the brain in our everyday lives ca...

The importance of the brain in our everyday lives can never be underestimated. The brain has physical properties that are in a constant state of flux. The brain never rests totally

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