Biology in Profile. A Guide to the Many Branches of Biology by P. N. Campbell PDF

By P. N. Campbell

Biology in Profile: A consultant to the various Branches of Biology is a 20-chapter textual content that describes the profile and organic phenomena of chosen branches of biology. every one bankruptcy discusses the scope, progress components, and specialties of the categorical department of biology.

This booklet comprises 20 branches of biology, equivalent to zoology, botany, microbiology, body structure, ecology, ethology, psychology, parasitology, pharmacy, and pharmacology. different branches coated contain toxicology, foodstuff, nutrients technology, endocrinology, immunology, genetics, virology, biophysics, biochemistry, and molecular biology.

This ebook may be of worth to scholars and different scientists who're no longer practising biologists.

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The pharmaceutical student therefore studies pharmacology to gain a good understanding of the mechanism of action of the substances which are used in medicine or in the preparation of medicines. This helps him to recognise the therapeutic incompatibilities which are so often the cause of illnesses resulting from medical treatment. Study of the action of foreign substances on the body and its tissues requires an understanding of the normal functioning of the body. So the student must begin by learning about normal health in its biochemical and physiological aspects, and the ways in which it is disturbed by disease.

Legislation during the past half century has established control over a schedule of so-called therapeutic substances. Wherever possible the purity and potency of such substances is defined in chemical terms but in some cases this is not possible and resort is made to a bioassay. A pharmaceut­ ical student must understand the principles of bioassay, which will include statistical methods applied both to the design of the biological or microbiol­ ogical experiments used for the tests, and for the interpretation of the results.

The way a s u b ­ s t a n c e is a b s o r b e d a n d d i s t r i b u t e d in the body a n d i t s metabolism may influence both i t s a c t i v i t y a n d the d u r a t i o n of i t s effect. The effect of a d r u g may be i n f l u e n c e d by yet o t h e r f a c t o r s , p a r t i c u l a r l y those i n v o l v i n g the c i r c u m s t a n c e s of the p a t i e n t . Such f a c t o r s i n c l u d e d i e t , e x e r c i s e , the n a t u r e of the d i s e a s e b e i n g t r e a t e d a n d w h e t h e r o t h e r s u b s t a n c e s or medicines a r e a l s o b e i n g a d m i n i s t e r e d .

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