By C. J. Wallis (Auth.)
Read Online or Download Human Biology. A Text Book of Human Anatomy, Physiology and Hygiene PDF
Similar dentistry books
Preface to the second one Edition
I had written the 1st variation of the booklet, titled, ‘Essentials of Dental Radiology’ at a time whilst overseas textbooks have been flooding the marketplace and the scholars have been discovering it difficult to flick through the big volumes of those books in the course of their education part for the exam. The time constraint and the price issue have been damaging for the common pupil to shop for some of these books.
I was once enormously inspired by way of the nice and cozy reception the ebook bought which prompted me to do the revision of the booklet. i've got extra many pictures and the full textual content fabric has been edited and rewritten to fit the requirement of the readers.
I have additionally taken the precious inputs from and recommendations got from the readers and publishers. it truly is my self belief that the hot appearance, presentation and structure of the ebook will be beloved by way of the readers. feedback for the development of the e-book and criticisms are whole-heartedly solicited.
A didactic advisor to all health-related measures had to arrange for normal failures, lessen their instant effect, and facilitate restoration. Noting that every one normal failures proportion numerous good points, the publication goals to supply a framework that directors can depend on while making plans and coping with the healthiness sector's reaction.
Extend your abilities within the swiftly turning out to be box of laser dentistry! the recent moment variation of rules and perform of Laser Dentistry includes every little thing you must find out about the newest laser strategies throughout all parts of dentistry. With shiny medical images and easy-to-follow writing, Dr. Robert A.
The handbook of juvenile Oral surgical procedure for the overall Dentist, moment variation keeps the purpose of supplying transparent and functional information to universal surgeries encountered generally practice. totally revised and up-to-date with 3 extra chapters, the e-book methods each one process via specific, step by step description and representation.
Extra resources for Human Biology. A Text Book of Human Anatomy, Physiology and Hygiene
Regulation of body temperature—This is brought about by sweating and by the position of the hair. The hair encloses a belt of air which has an insulating effect. However, the latter method is not of much importance in the human being as it is restricted to certain parts of the body—the head, the axilla, the pubic region and in man also the face and chest. It is, of course, particularly abundant on the head where there may be 200 to 300 hairs per sq. cm. When the hair is erect it exposes a greater surface of the skin enabling heat to be lost.
A substance called marrow is found in these spaces. It also occurs in the centre or medullary cavity of the long bones. This yellow marrow consists mostly of fat whereas the red marrow found in the spongy bone at the ends of the long bones and elsewhere CANCELLOUS BONE ARTICULAR CARTILAGE PERIOSTEUM MEDULLARY CAVITY CANCELLOUS BONE Fig. 1. Longitudinal section through a long bone. 25 26 HUMAN BIOLOGY has a much lower fat content and is rich in red blood corpuscles. It is here, in fact that the red and some of the white cells of the blood originate.
LATERAL PROCESS CAPITULAR DEMI-FACET SPINOUS PROCESS Fig. 13. Thoracic vertebra. A. From above. B. Side view. THE SKELETAL SYSTEM 37 Lumbar region—These vertebrae are much larger than those in any other region. They have square spinous processes and rather slender transverse processes. Fig. 14. Lumbar vertebra. A. From above. B. Side view. Fig. 15. Sacrum and coccyx. HUMAN BIOLOGY 38 , -J&Qt 1 CERVICAL 2 ^M ^ f e 43 ^m CERVICAL FLEXURE J0m 7t _ (j^i^ ^S^gS 5§P? I THORACIC 2 ^P? 5 J^^^^ SACRAL FLEXURE frliftr'^ ^ ^ SACRUM The Sacrum—This is a wedge-shaped bone which articulates with the ilium or hip bone of the pelvic girdle on each side.