What is teratology, Biology

Assignment Help:

Teratology: It is the study of abnormal embryos. In other words teratology is the study of abnormalities of physiological development. It is often use as the study of birth defects, but it is broader than that. Taking teratology in other developmental stages like as puberty or other life forms, such as plants. In all newborns birth defects are known to occur in 3-5%. There are the leading causes of infant mortality in the United States, accounting for more than 20% of all infant deaths. 

7 to 10% of all children will require extensive medical care to diagnose or treat a birth defect. It was previously thought that the mammalian embryo developed in the impervious uterus of the mother and it is protected from all extrinsic factors. After the thalidomide disaster of the 1960s, it has became apparent or more accepted that the developing embryo can be highly vulnerable to certain environmental agents which have negligible or non-toxic effects to adult individuals.

 


Related Discussions:- What is teratology

Explain the occurrence of vitamin B2, Explain the Occurrence of vitamin B 2...

Explain the Occurrence of vitamin B 2 Vitamin B 2 (riboflavin) occurs in nature almost exclusively in a combined form i.e. esterified with phosphoric acid as riboflavin-5'-ph

Describe how platelets interact to form a blood clot, Describe briefly how...

Describe briefly how platelets, fibrin and red cells interact to form a blood clot.   Platelets release a substance which, indirectly, causes fibrinogen to be changed to fi

Explain observation or inference required for osazone test, Explain Observa...

Explain Observation or Inference required for osazone test? 1. Crystals of different shapes will be seen. Glucose and fructose give needle shaped crystals and galactose gives f

What are the oligosaccharides and monosaccharides, Q. What are the oligosac...

Q. What are the oligosaccharides, monosaccharides and polysaccharides? Monosaccharides are simple molecules of carbohydrates that cannot be broken down into smaller molecules o

Explain the life cycle of the gymnosperms, Q. What is the life cycle of the...

Q. What is the life cycle of the gymnosperms? As all plants they present a diplobiontic life cycle that is alternation of generations with haploid and diploid stages and the la

Explain the deficiency and toxicity of vitamin a, Explain the Deficiency an...

Explain the Deficiency and Toxicity of vitamin A? Who defines VAD as tissue concentrations of vitamin A low enough to have adverse health consequences even if there is no evide

What do you understand by pharynx, What do you understand by Pharynx? T...

What do you understand by Pharynx? The region of digestive tract between the mouth and esophagus. In most animals it's muscular and forces food into the digestive tract which l

Skeletal system - girdles, GIRDLES - (i ) PECTORAL GIRDLE - ...

GIRDLES - (i ) PECTORAL GIRDLE - 4 bones. It is located on posterolateral part of upper region of the throax. It consists of scapula & clavicle. Scapula is placed

The right side of the container, A solute passes from higher concentration ...

A solute passes from higher concentration on the left of a container to the right side of container thru a membrane. What would happen if a second solute of lower concentration was

Explain some physiological changes during pregnancy, Explain some Physiolog...

Explain some Physiological Changes during Pregnancy? A whole new life begins at conception. Organ systems develop rapidly and nutrition plays many supportive roles. Pregnancy f

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