Already have an account? Get multiple benefits of using own account!
Login in your account..!
Remember me
Don't have an account? Create your account in less than a minutes,
Forgot password? how can I recover my password now!
Enter right registered email to receive password!
EMBRYONIC MEMBRANES -
Such animals are called amniota. Embronic membranes are of 4 types -
(i) Yolk sac -
It is formed below the embryo. It contains fluid (no yolk)
It is double layered, made up of outer mesoderm and inner endoderm. First organ to form R.B.C.
(ii) Amnion -
It encloses a fluid filled space amniotic cavity. It surrounds complete embryo.
The embryo is suspended in the amniotic cavity by an umbilical cord.
The main b.v. from the placenta reach the foetus through the umbilical cord.
Amniotic fluid is derived from the foetal kidneys & bladder i.e. it is foetal urine.
Amniocentosis is method to detect sex of foetus & chromosomal defects.
(iii) Allentoise -
A small sac., consists of endoderm inside & mesoderm outside. It is excretory in nature, stores nitrogenous waste.
(iv) Chorion -
It completely surrounds embryo, outerly made up of ectoderm & inner of mesoderm.
Why doesn't a long lasting vaccine against common cold exist yet? Viruses that show a high mutation rate like the virus that causes the common cold escape simply from the actio
Temperature - Estuaries Another important variable is temperature. The temperature of estuary keeps on fluctuating it heats up and cools down more rapidly under prevailin
Normal 0 false false false EN-US X-NONE X-NONE MicrosoftInternetExplorer4
What is crossing over? How is meiosis related to this phenomenon? The Linked alleles for instance, A-b and a- B form the gametes A-b and a-B that maintain the linkage of the al
Define Fat needs in Nutrient Requirement and Dietary Management? As we have learnt earlier on enteral and parenteral feedings; administration of lipids should be carried out ca
GROWTH RATE IN ANIMALS - Growth rate is different at different periods of life. Growth period in human may be studied in 5 steps - (i) Prenatal - In gestation period fo
LIGHT MICROSCOPY (LM) A study of the structure of organisms is an essential requirement of biology. However, unaided human eye cannot see objects smaller than 0.1 mrn(100 p) in d
Which term is used to describe an animal which limits its activity to periods of dim light at dawn and dusk? a) Diurnal (pron: die-ER-nal) b) Vesperal (pron: VESS-per-al)
How are human voices created? Human voice is formed with the help of muscles in the neck and the vocal cords. The tighter the vocal cords the higher the pitch of voice. This is
At the beginning of the process in an animal cell, the partition of the centriole takes place, which has been duplicated during Interphase but were in the same centrosome. Bipol
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!
whatsapp: +91-977-207-8620
Phone: +91-977-207-8620
Email: [email protected]
All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd