Anatomy intorduction to the human body

In addition, embryology is the study of the embryo and the fetus, that is, the study of prenatal development, whereas the study of congenital malformations is known as teratology.

Anatomy intorduction to the human body

In addition to the technical terms of position and direction, certain common expressions may be cautiously used in anatomical descriptions: front, back, in front of, behind, forward, backward, upper, lower, above, below, upward, downward, ascending, descending. At the microscopic level, the arrangement and function of the nerves and muscles that serve the eyelid allow for its quick action and retreat. However, it is made up of many different parts whose functions are dependent on one another. After birth, the rate of anatomic and physiologic changes slows, but childhood is still a time of remarkable growth and development see Physical Growth of Infants and Children. Photographs and radiograms of anatomical sections. Homeostasis is the state of steady internal conditions maintained by living things. Von Lanz, T. Subsequent highlights include the discovery of the compound microscope , the founding of microscopic anatomy by Malpighi seventeenth century , the discovery of the circulation of the blood by Harvey , the establishment of modern embryology by Wolff eighteenth century , the gross classification of tissues by Bichat , and many notable advances during the nineteenth and twentieth centuries. Intermediate means lying between two structures, one of which is medial and the other lateral. Questions Which type of plane would include the entire length of the vertebral column? For example, neurophysiology is the study of the brain, spinal cord, and nerves and how these work together to perform functions as complex and diverse as vision, movement, and thinking. Different body parts perform different functions which are sometimes related. Microscopic anatomy includes cytology, the study of cells and histology, the study of tissues. There is no implication that the anatomical position is one of rest. From an etymological point of view, the term" dissection" dis-, meaning" asunder, " and secare, meaning "to cut" is the Latin equivalent of the Greek anatome.

Studying regional anatomy helps us appreciate the interrelationships of body structures, such as how muscles, nerves, blood vessels, and other structures work together to serve a particular body region.

For example, the thin flap of your eyelid can snap down to clear away dust particles and almost instantaneously slide back up to allow you to see again.

human body organs

Saunders Company, Philadelphia, Imagine billions of microscopic parts, each with its own identity, working together in an organized manner for the benefit of the total being. Rather they work in coordination with one another. The border of a limb on which either the thumb or the big toe is situated is sometimes called preaxial, and the opposite border, postaxial.

basic anatomy and physiology

Anatomy "is to physiology as geography is to history" Femel ; that is, it provides the setting for the events.

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Chapter 1: Introduction