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Polarity in Regeneration
A distinct polarity or gradient exists in planarians (and in other animals). The meaning of this is that in any piece or segment of the body; its anterior end (head end) represents one pole and the posterior end (tail end) represents another pole. Regeneration is generally correlated with this polarity. In any excised piece the cut surface towards the head end generates a new head and the cut surface towards the hind end produces a tail. In the remaining non-chordate phyla (that is Aschelminthes, Arthropoda and Molluscs) regeneration of missing parts is minimal, and asexual reproduction including regeneration is almost non-existent.
During the course of a physiology laboratory, a student finds that her PR interval is 0.24 second. Concerned, she takes her own ECG again an hour later and sees an area of the ECG
By prodigality of nature it is meant that organisms have an enormous potential to reproduce. A carp or salmon is known to lay over a million eggs. A frog may lay Bs many as 12,000
What is Single Ventricle Physiology ? In complete correction of a congenital cardiac condition, it is ideal to have two ventricle correction (Pulmonary and systemic ventricles
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Q. Find the Modalities in stress testing? In addition to electrocardiographic stress testing, there are various newer modalities that can be very useful in the determination o
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Is ABO blood compatibility enough for the safety of blood transfusion? Moreover ABO blood compatibility the compatibility concerning the Rh blood system must also be checked. A
CARBOHYDRATE METABOLISM The endproducts of carbohydrate digestion absorbed into the blood and taken to the liver by hepatic portal vein are four monosaccharide sugar ( C 6
Q. How do the muscles of the legs and of the feet contribute to the venous return? The muscles of the legs mainly the muscles of the calves compress and contract the deep veins
Explain the term- pedon and polypedon The characteristics of soil do not change vertically downwards only, there are lateral variations also as soil is a three dimensional body.
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