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| Term | Definition |
|---|---|
| Congenital | A condition that is present at birth; it may or may not be inherited. |
| Inherited | A condition or trait that is passed from parents to offspring through genes. |
| Infectious | A disease caused by pathogens (such as bacteria, viruses, fungi, or parasites) that can be spread from one person to another. |
| Degenerative | A disease characterized by the progressive deterioration of tissues or organs over time. |
| Diagnosis | The identification of a disease or condition by evaluating signs, symptoms, and test results. |
| Etiology | The study or cause of a disease or condition. |
| Prognosis | The predicted outcome or course of a disease; the chance of recovery. |
| Homeostasis | The body’s ability to maintain a stable internal environment despite external changes. |
| Anatomy | The study of the structure of the body and its parts. |
| Physiology | The study of the functions of the body and how its parts work together. |
| Pathophysiology | The study of the changes in body function caused by disease or injury |
| Atom | The smallest unit of pure elements. |
| Protoplasm | The basic living substance of a cell, containing the nucleus and cytoplasm, and responsible for all life functions. |
| Cell | microscopic structures that carry on all the functions of life. |
| Cell membrane | The outer protective covering of the cell. |
| Cytoplasm | semifluid inside the cell but outside the nucleus. |
| Organelles | cell structures that help a cell to function located in the cytoplasm. |
| Nucleus | A mass in the cytoplasm often called the brain of the cell controls many cell activities and is important in the process of mitosis or cell division. |
| Nucleolus | one or more small round bodies located inside the nucleus; important in cell reproduction. |
| Chromatin | Located in the nucleus and made of deoxyribonucleic acid (DNA) and protein; condenses to form chromosomes. |
| Genes | Structures that carry inherited characteristics. |
| Genome | The total mass of genetic instruction humans inherit from their parents. |
| Centrosome | area of cell cytoplasm that contains two centrioles; important in reproduction of the cell. |
| Mitochondria | Rod shaped organelles located through the cytoplasm. It is the powerhouse of the cell. |
| Golgi apparatus | A stack of membrane layers located in the cytoplasm. |
| Endoplasmic reticulum | a fine network of tubular structures located in the cytoplasm. |
| Mitosis | A form of asexual reproduction. |
| Meiosis | The process of cell division that occurs in gametes, or sex cells. |
| Stem cells | Cells that are capable of becoming any of the specialized cells in the body. |
| Tissue | 60-99% water, a group of similar cells that join together to perform a particular function. |
| Dehydration | Insufficient amount of fluid. |
| Edema | Too much tissue fluid. |
| Epithelial tissue | covers the surface of the body; the main tissue in the skin. |
| Connective tissue | The supporting fabric of organs and other body parts. |
| Nerve tissue | Composed of neurons; controls and coordinates body activities by transmitting messages. |
| Muscle tissue: | Body tissue composed of diners that produces power and movement. |
| What are the three kinds of muscle tissue | skeletal, cardiac, and visceral. |
| organs | Body part made of two or more tissues joined together to perform a special function. |
| Integumentary | Protects body from injury infection and dehydration helps regulate body temperature; eliminates some wastes; produces vitamin D. Major organs: skin sweat and oil glands, nails and hair. |
| Skeletal | Creates frame work of the body , protects internal organs, and produces blood cells that act as levers for muscles. Major organs: Bones and cartilage. |
| Muscular | Produces movement, protects internal organs, produces body heat and maintains posture. Major organs: Skeletal smooth and cardiac muscles. |
| Nervous | Coordinates and controls body activities. Major organs: Nerves. brain spinal cord. |
| Special senses | allow the body to react to the environment by providing sight hearing, taste , smell and balance. Major organs: Eye ear tongue nose general sense receptors. |
| Circulatory | carries oxygen and nutrients to body cells, carries waste products away from fleas, helps produce cells to fight infection. Major organs: heart blood vessels, blood spleen. |
| Lymphatic | Carries some tissue fluid and wastes to blood assists with fighting infection and body immunity. Major organs: lymph nodes lymph vessels spleen tonsils and thymus gland. |
| Respiratory | Breathes in oxygen and eliminates carbon dioxide. Major organs: nose pharynx larynx trachea brinchi lungs. |
| Digestive | Digests food physically and chemically transports food absorbs nutrients and eliminates waste. Major organs: mouth salivary glands pharynx esophagus stomach intestine liver gallbladder pancreas. |
| Urinary | Filters blood to maintain fluid and electrolyte balance in the body, produces and eliminates urine. Major organs: Kidneys ureters urinary bladder urethra |
| Endocrine | Produces and secretes hormones to regulate body processes. Major organs: Pituitary thyroid parathyroid adrenal and thymus glands pancreas ovaries testes. |
| Reproductive | Provides for reproduction. Major organs: Male: epididymis vas deferens ejaculatory duct seminal vesicles prostate gland penis urethra. Females: ovaries, fallopian tubes, uterus vagina breasts. |
| Adipose | Stores fat as a food reserve or source of energy. |
| Functions of a cell | take food and oxygen produce heat and energy move and adapt to their environment eliminates wastes perform special functions and reproduce to create new identical cells. |