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.
What is the function of the secretions of the prostate, seminal vesicle and bulbourethral glands in reproduction? These secretions with sperm cells from the testicles form the
Stages of Contact Osteogenesis Osteoconduction: This is the first and the most important healing phase and relies on the recruitment and migration of osteogenic cells to the
An increase in the calcium conductance of all sarcoplasmic reticulum membranes of a skeletal muscle with no external forces on it leads to A. increased binding of calcium ions
How are the male gametophytes and the male gametes formed in angiosperms? In the anthers of every stamen there are pollen sacs. Within the pollen sacs there are microspore moth
Explain various chemical formulas? Chemical Formulas A molecule can be represented in any of three ways: its chemical formula, structural formula, or Lewis diagram. A chemic
How are the symmetry and the nervous system characterized in echinoderms? Adult echinoderms, with cnidarians, are the animals that present radial symmetry, i.e., their body str
Q. How does the hypophysis- corpus luteum negative feedback work? What is the name given to the atrophied corpus luteum after this feedback process? After ovulation the estroge
The sewage treatment methods can be classified into the following heads: Primary treatment Secondary treatment Tertiary treatment 1. Primary Treatment: The primary
What are the common changes in the eye Other changes in the eye are: 1) Increase in curvature of anterior surface of lens. 2) Anterior pole of lens moves forwards without
It is defined as the amount of heat liberated when one unit mass of fuel is burnt and the products of combustion are allowed to escape. LCV = HC
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