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88 Cards in this Set
- Front
- Back
_________ is the study of the characteristics, causes, and effects of disease.
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Pathology
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Excretion of waste, fluid and electrolyte balance, and acid-base balance are primary functions of the:
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Urinary System
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The term that means pertaining to the same side of the body is
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Ipsilateral
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The process where tissues break apart or decline and which may be due to a normal consequence of aging or may be due to a disease process is called:
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Degeneration
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The group of microscopic single-celled organisms that require moist environments to survive and the group to which Giardia and Toxoplasma belong are:
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Protozoa
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An organism that lives in or on another organism to obtain its nutrients is called a:
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Parasite
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Certain predisposing conditions exist that make a disease more likely to develop in an animal and these conditions are known as:
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Risk factors
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The body's first line of defense whose primary functions include protection, temperature regulation, and sensation is the:
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Integumentary System
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The term that means affecting or originating on the opposite side is:
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Contralateral
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___________ is the branch of biology concerned with the form of the body.
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Anatomy
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The study of the body and its parts with only the naked eye is termed:
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Gross Anatomy
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The body's first line of defense whose primary functions include protection, temperature regulation, and sensation is the:
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Integumentary System
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_________ is the study of cells.
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Cytology
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___________ are single cell microbes that may be in the shape of rods, balls, or spirals and may found in all types of environmental conditions.
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Bacterai
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Define Anatomy:
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deals with the form and structure of the body and its parts – what they look like and where they are located.
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Define Physiology:
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deals with the functions of the body and its parts how things work and what they do.
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Define histology
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department of anatomy dealing with minute structure, composition and function of tissues.
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Define cell
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the smallest subdivision of the body that is capable of life.
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Define tissue:
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groups of similar cells joined to perform the same function.
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Define organ:
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a somewhat independent body part that performs a specific function or functions
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Define system:
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most complex level of body organization. Groups of organs that are involved in a common set of activities, i.e. the digestive system.
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Define homeostasis:
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maintenance of a dynamic equilibrium in the body.
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Define bilateral symmetry:
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the left and right halves of the animal’s body are mirror images of each other.
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Cranial
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towards the head end of the body.
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Caudal
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towards the tail end of the body
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rostral
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towards the tip of the nose when talking only about the head
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dorsal
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toward the back
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ventral
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toward the belly
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medial
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toward the median plane
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lateral
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away from the median plane
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proximal
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towards the body (extremity)
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distal
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away from the body (extremity)
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center
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pertaining to a center, located at the midpoint
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peripheral
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pertaining to or situated at or near the periphery (portion of the system outside the central region).
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List the levels of organization of the body beginning with the simplest level.
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Cells, tissues, organs, systems.
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What are the microscopic and macroscopic components?
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Microscopic deal with structures so small a microscope is needed to see them (cells, tissues). Macroscopic (gross anatomy) deals with structures seen by the unaided eye.
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List 4 major tissue types
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Epithelia, muscle, connective, nervous.
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list the 11 major body systems
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Skeletal, integumentary, nervous, cardiovascular, respiratory, muscular, sensroy, endocrine, urinary reproductive
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The spherical body in the center of a cell which is enclosed by an envelope and contains DNA is:
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Nucleus
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The term that describes excessive cell reproduction and results in an increase in the number of cells is:
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Hyperplasia
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The term that describes the death of cells due to an injury or pathological condition is:
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Necrosis
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The major tissue type whose functions include; production of body movements and the production of heat.
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Muscle tissue.
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___________ are single-celled microbes that may parasitize cells directly and destroy them or they may produce ___________ that damage cells or elicit violent reactions of the immune system.
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Bacteria, toxins
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The gel-like internal substance of cells that includes many organelles suspended in water intracellular fluid is:
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Cytoplasm
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The major tissue type whose functions include; communication between body parts, integration and regulation of body functions, includes tissue of brain and spinal cord.
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Nervous tissue
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The term____________ refers to a solution that has the same concentration of particles as another solution. Example: Cells placed in an___________ solution maintain constant volume and pressure because the potential osmotic pressure of the intracellular fluid matches that of the extracellular fluid.
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Isotonic
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The term____________ refers to a solution that has a lower concentration of solutes as another solution. Example: ____________ saline contains less salt than is found in intracellular fluid. Cells expand in a hypotonic solution
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Hypotonic
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The major tissue type whose functions include; lining the body cavities, glandular activity, and covering and protecting the body surface.
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Epithelial tissue
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What is the range of cell sizes (diameter)?
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10-30 nm
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Define and describe meiosis.
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Meiosis – process of cell division in organisms that reproduce sexually and results in the production of gametes
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Define apoptosis
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a form of cell death necessary to make way for new cells an d to remove cells whose DNA has been damaged to the point at which cancerous change is liable to occur
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Define necrosis
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the death of cells in a tissue or organ caused by disease or injury.
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Define pathogens
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agent of disease such as bacterium or a virus.
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Define virus
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parasitic protein covered capsule containing either one strand of DNA or one strand of RNA. They lack the ability to reproduce themselves and rely on cells to do this.
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Define prion
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proteins or proteinaceous infectious particles lacking DNA or RNA. They can cause both inherited and transmissible disease. All known prion diseases are fatal.
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Define immunization
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– process by which an animal’s immune system is stimulated to produce antibodies that will recognize and destroy or disable identified bacteria or viruses.
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Define atrophy
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the shrinking in size of a cell.
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Define hypertrophy
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increase in cell size.
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Define hyperplasia
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– increase in the number of cells due to increased cell reproduction.
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Define dysplasia
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a change in the shape, size, appearance or cell organization which may occur due to chronic irritation or neoplasia.
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Because all cells in an individual animal contain the same genetic material, do all cells look alike?
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No.
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What are prokaryotic and eukaryotic cells?
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Prokaryotic cells were the first cells and resemble present day bacteria without a nucleus and a single strand of DNA. Eukaryotic cells are found in all multicellular organisms and have a distinct nucleus.
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Define genetic mutations. What can cause these?
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Occurs when a DNA geneis damaged or changed in such a s way that it alters the genetic message carried by the gene.
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Define mutagens
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Facotrs causing mutations such as viruses, ionizing radiation and certain chemicals.
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List and describe the characteristics used to classify different epithelial tissues.
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Number of cells, shape of cells, prescense of surface specializations
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Different classifications of glands,
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endocrine, exocrine, unicellular exocrine, multicellular exocrine.
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List the 3 types of muscle
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skeletal, cardiac, and smooth
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List the phases of healing:
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inflammatory, organization (formation of granulation tissue), repair, maturation/remodeling phase.
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Define microvilli
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a microscopic hair-shaped cell that projects from the surface of the lining of the small intestine, increasing the surface area available for the absorption of nutrients.
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Define basement membrane
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a noncellular, collagen-based structure that supports epithelial tissue.
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Define endocrine glands
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glands or cells that release their regularoty products directly into the bloodstream.
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Define exocrine glands
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glands that release their secretions through ducts that directly to the location intended to be controlled.
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Define hormones
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chemical messengers of the body that are produced and excreted by specific cells for the purpose of regulating specifc organs or cells.
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Define gland
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a cell or group of cells that have the ability to manufacture and discharge a secretion.
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What are the 4 common types of epithelial membranes?
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Simple, stratified, pseudostratified, transitional
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Even though blood and bone appear to be grossly different, they both represent types of connective tissue. Why?
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They are both comprosed of 3 distinct components: extracellular fibers, ground substance, and cells.
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Define inflammation
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body’s attempt to isolate the area, limit damage caused by the injury, and prevent further damage.
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Define proud flesh
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when tissue granulation becomes too thick and stands out above the epithelial layer.
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Define epithelialization
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epithelial cells around the wound edges actively divide to lay down a new layer of epithelial tissue over the granulation tissue.
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Define granulation tissue
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the perfused, , fibrous connective tissue that replaces a fibrin clot in healing wounds
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Define and describe first-intention healing
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When wound edges are brought together so that they are adjacent to each other (re-approximated)
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Define and describe second -intention healing.
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wound is allowed to granulate, results in a broader scar, healing process slower
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Is scar tissue stronger than original, healthy tissue?
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It is strong, but lacks the flexibility of healthy tissue.
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_________ are cancers of the blood cells while ____________ are cancers of the lymphatic system.
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Leukemias, Lymphoma
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All of the following are characteristics of malignant tumors except:
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Are encapsulated by a tough fibrous capsule
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Systemic symptoms that occur at sites distant from the site of the primary tumor and that are indirectly associated with cancer is called________.
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Paraneoplastic syndromes
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The term that describes general ill health and malnutrition marked by weakness and emaciation and is usually associated with severe disease is called:
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Cachexia
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____________ tumors are not encapsulated and tend to spread to other regions of the body.
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Malignant
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