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!
Animal Tissue Culture:
The term tissue culture refers to the culture of all organs, tissue fragments and dispersed cells on a suitable nutrient medium. It may be divided into (1) cell culture (2) organ culture and basically on the basis of whether the tissue organisation is taken or not. In organ cultures all embryonic organs or small tissue fragments are cultured in vitro in such a manner that they achieve their tissue architecture. In compare, cell cultures are gained either by enzymatic or mechanical dispersed of tissues into particular cells or by spontaneous migration of cells from an explants; they are maintained as attached or as cell suspensions or monolayers. Newly isolated cell cultures are called primary cultures; they are typically heterogeneous and slow rising, but are more representative of the tissue of their origin both in properties and cell type. Once a first culture is subcultured, this given rise to cell lines which can either die after many subcultures (such cell lines are known as finite cell lines) or can continue to grow indefinitely (these are called continuous cell lines. Generally normal tissues give rise to finite cell lines, whereas tumours give rise to continuous cell lines. But there are many examples of continuous cell lines which were imitative from normal tissues and are themselves non-tumorigenic, e.g.3T3 fibroblasts, MDCK dog kidney etc. The growth of continuous cell lines from primary cultures is supposed to involve a mutation which alters their properties as compared to those of finite lines.
AugmentThe beginning of animal tissue culture may be traced to 1880 when Arnold showed that leucocytes may divide outside the body. Later in the year 1903, Jolly studied the behaviour of animal tissue explants immersed in serum. Lymph or ascites fluid. In the year 1907, Harrison cultured frog tadpole spinal cord in the lymph drop hanging from a cover slip into the cavity on microscopic slide; this is considered as the turning point. Subsequently in the year 1913, Carrel developed a complicated method for maintaining cultures free from contamination, mainly by bacteria. Afterwards, suitable culture media were developed and the techniques of cell culture were refined.
Explain about Hypothalamus Another important part of brain is hypothalamus. It is very small in sie. It controls many important functions which are as follows: Blood pre
If NAD+ is an electron acceptor that becomes NADH and the NADH then donates a proton to ATPase, shouldn't NADH now become NAD- since it lost it's proton but still has the electron?
State the term - rCBF In rCBF, the participant inhales a small amount of a radioactive gas such as xenon, which is absorbed into the bloodstream and thus transported around the
Define the Disorders due to the iodine deficiency? Mild goitre, i.e., a larger thyroid gland than normal. The mildest form of goitre ranges from those only detectable by to
Explain about the Osteomalacia - Deficiency of Vitamin D? It occurs when there is a lack of vitamin D and calcium, in women who have had many pregnancies, who subsist on a meag
Define Gonads and Reproductive System? With aging, there is decrease in pituitary hormone secretion causing decrease in gonadal hormone production, which causes number of chang
Concerning the mixture of arterial with venous blood what is the difference between the human fetal circulation and the adult circulation? In the human fetal circulation there
Ketosis Ketosis, also known as acetonaemia or ketonaemia is a multifactorial disorder that commonly occurs in dairy cows and buffaloes immediately after calving or in early lac
Among all the environmental disasters that might be caused by humans, nuclear disasters have the greatest potential of causing severe damage to life property. The released as a con
If one determines the concentration of cortisol in the blood plasma to be 10 ugrams/ml and that in a 24 hour period a person excretes 10 mgs of cortisol, calculate the volume of bl
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