Framework of bones that supports and gives form to the body, protects its internal organs, and provides anchorage points for its muscles. It is composed of about 200 bones.
From The Human Body Book
Muscles are the body’s “flesh”. They bulge and ripple just under the skin, and are arranged in criss-crossing layers down to the bones. Their job is to contract and pull the bones to which they are anchored. Rarely working alone, they usually contract in groups, moving bones at accurate angles and by precise distances.
From The Human Body BookThe heart is a powerful organ about the size of a clenched fist. Located just to the left of centre in between the lungs, it operates as two coordinated pumps that send blood around the body.
From The Human Body Book
he brain, in conjunction with the spinal cord, regulates both non-conscious processes and coordinates most voluntary movement. Furthermore, the brain is the site of consciousness, allowing humans to think and learn.
From The Human Body Book
The respiratory system, in close conjunction with the circulatory system, is responsible for supplying all body cells with essential oxygen and removing potentially harmful carbon dioxide from the body.
From The Human Body Book
The digestive system consists of a lonThe digestive system consists of a long passageway, known as the alimentary canal or digestive tract, and associated organs, including the liver, gallbladder, and pancreas.
System of vessels in an animal's body that transports essential substances (blood or other circulatory fluid) to and from the different parts of the body.
Body control system composed of a group of glands that maintain a stable internal environment by producing chemical regulatory substances called hormones.
Network of vessels carrying lymph, or tissue-cleansing fluid, from the tissues into the veins of the circulatory system. The lymphatic system functions along with the circulatory system in absorbing nutrients from the small intestines.
From The human body book: An illustrated guide to its structure, function and disorders
Muscle tissue creates bodily movements and it also powers internal processes, from the heartbeat and the movement of food through the intestines to the adjustment of artery diameter and focusing the eye.
From Britannica Concise EncyclopediaOrgan system involved in respiration. In humans, the diaphragm and, to a lesser extent, the muscles between the ribs generate a pumping action, moving air in and out of the lungs through a system of pipes (conducting airways), divided into upper and lower airway systems.
Soft tissue filling the spongy interiors of animal bones. Red marrow is the principal organ that forms blood cells in mammals, including humans. As the skeleton matures, fat-storing yellow marrow displaces red marrow in the shafts of the long bones of the limbs.
Either of a pair of organs at the back of the abdomen whose function is the removal of waste pro-ducts from the blood, and the excretion of such compounds from the body, usually in the form of urine.
From the The Hutchinson Unabridged Encyclopedia with Atlas and Weather Guide
The organs of smell are confined to a small area in the roof of the nasal cavity. The olfactory cells are stimulated when certain molecules reach them.
The flexible tissue (integument) enclosing the body of vertebrate animals. In humans and other mammals, the skin operates a complex organ of numerous structures (sometimes called the integumentary system) serving vital protective and metabolic functions.
A freely movable muscular organ that lies partly in the floor of the mouth and partly in the pharynx. It is the organ of taste and contributes also to chewing, swallowing, and speech.
A planned or prescribed selection of food and drink, especially one designed for weight loss, maintenance of good health or the control of a medical disorder.
Exercise is commonly associated with aerobic activity or sustained activity over a period of time that utilizes and strengthens the cardiovascular and pulmonary systems.
Nutrition is the process by which living organisms use food for growth and energy. Knowledge of human nutrition and its effects was rather limited prior to the twentieth century.
The terms wellness or health and wellness or wellness and prevention represent the absence of sickness and the prevention of many illnesses that result from unhealthy lifestyle choices.
Condition resulting from a defective diet where certain important food nutrients (such as proteins, vitamins, or carbohydrates) are absent. It can lead to deficiency diseases. A related problem is undernourishment.
Sum of all biochemical processes involved in life. Two subcategories of metabolism are anabolism, the building up of complex organic molecules from simpler precursors, and catabolism, the breakdown of complex substances into simpler molecules, often accompanied by the release of energy.
Lack of desire to eat, or refusal to eat, especially the pathological condition of anorexia nervosa, most often found in adolescent girls and young women.
Autism, a condition of neurodevelopment, is more common in males, with onset typically in infancy. It is diagnosed when a child or adult has abnormalities in a ‘triad’ of behavioral domains: social development, communication, and repetitive behavior / obsessive interests.
Any of several psychological disorders of mood characterized usually by alternating episodes of depression and mania — called also manic depression, manic-depressive illness.
Disorder best defined as a collection of psychological symptoms including sadness; unhappy thoughts characterized by worry, poor self-image, self-blame, guilt and low self-confidence; downbeat views on the future; and a feeling of hopelessness.
Obsessive compulsive disorder is defined in the DSM-IV as the presence of either obsessions or compulsions (or both). Obsessions are defined as recurrent and persistent thoughts, impulses or images that are experienced as intrusive and inappropriate and that cause marked anxiety or distress.
(PTSD), mental disorder that follows an occurrence of extreme psychological stress, such as that encountered in war or resulting from violence, childhood abuse, sexual abuse, or serious accident.
Diabetes mellitus, often referred to simply as diabetes, is not a single disease but a group of metabolic disorders characterized by hyperglycemia (elevated blood glucose) resulting from defects in insulin secretion, insulin action, or both. It is a major public health problem in the United States, affecting 24.1 million individuals, of whom an
A condition in which the energy stores of the body (mainly fat) are too great. It is commonplace in prosperous countries and is increasing in developing countries, particularly amongst children and young people.
A disease, most commonly of post-menopausal women, in which the bones become porous, brittle and liable to fracture, owing to the loss of calcium from the bone substance.
A form of arthritis, particularly common in women, that causes pain, swelling, stiffness and deformity of the joints, especially of the fingers, wrists, ankles, feet or hips.
Approaches to the treatment of illness using procedures other than those recommended by orthodox medical science; also known as complementary medicine.
The application of genetic engineering techniques to alter or replace a defective gene or genes. The procedures are still at the experimental stage, but it is hoped that they could lead to the prevention of hereditary diseases such as haemophilia.
Well-being and soundness of mind, not only in terms of intellectual abilities, but also in terms of the capability to deal with everyday problems, and the capacity to get on well with other people and to form and sustain relationships.
Study of the materials that nourish an organism and of the manner in which the separate components are used for maintenance, repair, growth, and reproduction.
From Gale Encyclopedia of Nursing and Allied Health
Clinical nurse specialists (CNSs) are licensed registered nurses with additional master's or doctorate level training in CNS. These advanced practice nurses are clinical experts in theory-based or research-based nursing, focusing on specific specialty areas.
From Webster's new world Medical Dictionary
A trained person who assists women during childbirth. Many midwives also provide prenatal care for pregnant women, birth education for women and their partners, and care for mothers and newborn babies after the birth.
From The Gale encyclopedia of nursing and Allied Health
Nurse anesthetists, or certified registered nurse anesthetists (CRNAs), are advanced practice registered nurses with specialized graduate level education, training, and certification in anesthesiology.
From Encyclopedia of Women's Health Broadly defined, an NP is an advanced practice registered nurse who has attained a formal NP education, primarily at the master's degree level.
From The Columbia Encyclopedia
Health-care professional who provides patient services ranging from taking medical histories and doing physical examinations to performing minor surgical procedures
From Gale Encyclopedia of Nursing and Allied Health
Registered nurses, or RNs, are health care professionals who work as part of health care teams to promote health and prevent and treat disease.
From Reader's Guide to the History of Science
Cardiology is now held to be the study of the heart and its diseases, although the field is at times taken also to encompass the study of blood vessels and their diseases.
From Columbia Encyclopedia
Branch of medicine concerned with diagnosis and treatment of diseases and disorders of the skin. Dermatologists also study the structure and function of the skin, and the relationship between skin pathologies and malfunctions of other organs of the body
From Britannica Concise Encyclopedia
Medical discipline dealing with regulation of body functions by hormones and other biochemicals and treatment of endocrine system imbalances.
From the Encyclopedia of 20th Century Technology
Study of the morphology, physiology, and pathology of the human nervous system. Since the brain, spine, and eye are integral part of the nervous system, the domain of neurology overlaps that of psychiatry, orthopedics and ophthalmology.
From The Columbia Encyclopedia
Branch of medicine concerned with the treatment of women during pregnancy, labor, childbirth (see birth), and the time after childbirth. Obstetrics is often combined with gynecology as a medical specialty.
Branch of medicine specializing in the anatomy, function and diseases of the eye. Ophthalmologists specialize in the medical and surgical treatment of eye disorders, vision measurements for glasses (refraction), eye muscle exercises (orthoptics), and the prevention of blindness and care of the blind.
From The Macmillan Encyclopedia
The branch of medicine concerned with the study of disease and disease processes in order to understand their causes and nature.
Branch of medicine that concerns the diagnosis and treatment of mental, emotional, and behavioral disorders, including major depression, schizophrenia, and anxiety.