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Define the Functions of Vitamin A?
Vitamin A (retinol) is an essential nutrient needed in small amounts by humans for the normal functioning of the visual system, growth and development, and maintenance of epithelial cellular integrity, immune function, and reproduction. While we discuss the major functions of vitamin A, it is important to note &at primary vitamin A deficiency (VAD) may give rise to more than one secondary effects which can of tell be recognized in the form of clinical signs and symptoms most important being ocular manifestations grouped under 'xerophthamia. In addition to the specific signs and symptoms of xerophthamia and the risk of irreversible blindness, nonspecific symptoms include increased morbidity and mortality, poor reproductive health, increased risk of anaemia, and contributions o depressed growth and development.
The xylem and phloem of the plant could be described as the "circulatory system" of the plant. However there are key differences between vascular tissue in plants and our own circu
Determine about the Halstead's method Reitan adopted Halstead's methods and various test procedures and with them established a laboratory at the University of Indiana. He supp
What are meninges and cerebrospinal fluid? Meninges are the membranes that enclose and protect the central nervous system (CNS). Cerebrospinal fluid is the fluid that separates
Q. What is biodiversity? The Biological diversity is the variety of species of living beings of an ecosystem. In the ecosystems which are more biodiverse, like tropical forests
Define some adverse effects of saponins? The adverse effects of saponins may be described as under: - A well-known toxic effect is 'erythrocyte lysis' since they interact wi
Polyarthritis 1) Gonococcal - Therapeutic trial of pencillin may help in diagnosis of gonococcal infection. 2) Viral infections such as rubella and hepatitis B may have
Explain the Tubal Ligation This process is the most commonly utilized method of female sterilization. Tubal ligations are generally done in an outpatient surgical center. Thr
Q. What is Reverse Cholesterol Transport? HDL is involved in reverse cholesterol transport whereby cholesterol surplus to cellular requirements is returned from the periphery t
If neurons are exposed to a chemical agent that prevents the NA+ channels from opening, what would happen to the neuron? What would happen if the K+ channels were inhibited? What d
KARYOTHEC A OR NUCLEAR MEMBRANE It is also called Nucleolemma, term given by Erclab & Hertwig. Karyotheca composed of two unit membranes separated by a 150-300 A° wide p
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