Embryonic development, Biology

Assignment Help:

Embryonic Development

The embryonic stage extends from the second week by the 8th week and is charactrised by formation of placenta, the development of internal organs and appearance of the major external body structures. Throughout this period the embryo takes on a human shape by morphogenetic processes. The rudiments of several organs get established during the 3rd week but further development will occur from then on to 8th week by organogenesis, a process you are already familiar with. Due to the simultaneous developmental changes taking place during this period the developing embryo is specifically sensitive to teratogens, that is, certain agents like alcohol or drugs etc. can induce malformations in the fastly forming tissues and organs.


Related Discussions:- Embryonic development

Responses of plants to stress, Responses of Plants to Stress You know ...

Responses of Plants to Stress You know that certain plant species can grow in severe environmental extremes. For example, plants grow below 0°C in the Himalayas and above 45°C

What is the type of genetic inheritance of daltonism, What is the type of g...

What is the type of genetic inheritance of daltonism? Is daltonism more frequent in men or in women? What is the physiological explanation for the daltonism? Daltonism is a re

Section 3.1, Lack of iron in the photic zone of the ocean restricts the siz...

Lack of iron in the photic zone of the ocean restricts the size of plankton population.Iron is what kind of factor for marine plankton?

What is photoperiod, What is photoperiod? Photoperiod is the daily time...

What is photoperiod? Photoperiod is the daily time period of light exposure of a living being. The photoperiod might be vary according to the period of the year.

Reproduction, What is the difference between asexual and sexual reproductio...

What is the difference between asexual and sexual reproduction

Introduction to parthenogenesis, Parthenogenesis The development of egg...

Parthenogenesis The development of egg to form an animal without fertilization is called as parthnogenesis. Parthenogenesis was discovered by Charles Bonnet in the egg of se

Types of earthquake, Earthquakes Can Be classified into different categorie...

Earthquakes Can Be classified into different categories on the basis of region where it  occurs and the geological make-up of that region as : (i)     Tectonic earthquake: most

Define micronutrients requirements for anorexia nervosa, Define Micronutrie...

Define Micronutrients Requirements for Anorexia Nervosa? It is advisable to include one 100% RDA multivitamin tablet with minerals. The use of prophylactic thiamine supplements

Explain principle of fehling''s soxhlet method, Explain Principle of Fehlin...

Explain Principle of Fehling's Soxhlet method (Lane-Eynon method)? Reducing sugars are those which have free sugar groups and hence may be estimated directly by titrating the s

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