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88 Cards in this Set

  • Front
  • Back
_________ is the study of the characteristics, causes, and effects of disease.
Pathology
Excretion of waste, fluid and electrolyte balance, and acid-base balance are primary functions of the:
Urinary System
The term that means pertaining to the same side of the body is
Ipsilateral
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:
Degeneration
The group of microscopic single-celled organisms that require moist environments to survive and the group to which Giardia and Toxoplasma belong are:
Protozoa
An organism that lives in or on another organism to obtain its nutrients is called a:
Parasite
Certain predisposing conditions exist that make a disease more likely to develop in an animal and these conditions are known as:
Risk factors
The body's first line of defense whose primary functions include protection, temperature regulation, and sensation is the:
Integumentary System
The term that means affecting or originating on the opposite side is:
Contralateral
___________ is the branch of biology concerned with the form of the body.
Anatomy
The study of the body and its parts with only the naked eye is termed:
Gross Anatomy
The body's first line of defense whose primary functions include protection, temperature regulation, and sensation is the:
Integumentary System
_________ is the study of cells.
Cytology
___________ are single cell microbes that may be in the shape of rods, balls, or spirals and may found in all types of environmental conditions.
Bacterai
Define Anatomy:
deals with the form and structure of the body and its parts – what they look like and where they are located.
Define Physiology:
deals with the functions of the body and its parts how things work and what they do.
Define histology
department of anatomy dealing with minute structure, composition and function of tissues.
Define cell
the smallest subdivision of the body that is capable of life.
Define tissue:
groups of similar cells joined to perform the same function.
Define organ:
a somewhat independent body part that performs a specific function or functions
Define system:
most complex level of body organization. Groups of organs that are involved in a common set of activities, i.e. the digestive system.
Define homeostasis:
maintenance of a dynamic equilibrium in the body.
Define bilateral symmetry:
the left and right halves of the animal’s body are mirror images of each other.
Cranial
towards the head end of the body.
Caudal
towards the tail end of the body
rostral
towards the tip of the nose when talking only about the head
dorsal
toward the back
ventral
toward the belly
medial
toward the median plane
lateral
away from the median plane
proximal
towards the body (extremity)
distal
away from the body (extremity)
center
pertaining to a center, located at the midpoint
peripheral
pertaining to or situated at or near the periphery (portion of the system outside the central region).
List the levels of organization of the body beginning with the simplest level.
Cells, tissues, organs, systems.
What are the microscopic and macroscopic components?
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.
List 4 major tissue types
Epithelia, muscle, connective, nervous.
list the 11 major body systems
Skeletal, integumentary, nervous, cardiovascular, respiratory, muscular, sensroy, endocrine, urinary reproductive
The spherical body in the center of a cell which is enclosed by an envelope and contains DNA is:
Nucleus
The term that describes excessive cell reproduction and results in an increase in the number of cells is:
Hyperplasia
The term that describes the death of cells due to an injury or pathological condition is:
Necrosis
The major tissue type whose functions include; production of body movements and the production of heat.
Muscle tissue.
___________ 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.
Bacteria, toxins
The gel-like internal substance of cells that includes many organelles suspended in water intracellular fluid is:
Cytoplasm
The major tissue type whose functions include; communication between body parts, integration and regulation of body functions, includes tissue of brain and spinal cord.
Nervous tissue
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.
Isotonic
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
Hypotonic
The major tissue type whose functions include; lining the body cavities, glandular activity, and covering and protecting the body surface.
Epithelial tissue
What is the range of cell sizes (diameter)?
10-30 nm
Define and describe meiosis.
Meiosis – process of cell division in organisms that reproduce sexually and results in the production of gametes
Define apoptosis
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
Define necrosis
the death of cells in a tissue or organ caused by disease or injury.
Define pathogens
agent of disease such as bacterium or a virus.
Define virus
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.
Define prion
proteins or proteinaceous infectious particles lacking DNA or RNA. They can cause both inherited and transmissible disease. All known prion diseases are fatal.
Define immunization
– process by which an animal’s immune system is stimulated to produce antibodies that will recognize and destroy or disable identified bacteria or viruses.
Define atrophy
the shrinking in size of a cell.
Define hypertrophy
increase in cell size.
Define hyperplasia
– increase in the number of cells due to increased cell reproduction.
Define dysplasia
a change in the shape, size, appearance or cell organization which may occur due to chronic irritation or neoplasia.
Because all cells in an individual animal contain the same genetic material, do all cells look alike?
No.
What are prokaryotic and eukaryotic cells?
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.
Define genetic mutations. What can cause these?
Occurs when a DNA geneis damaged or changed in such a s way that it alters the genetic message carried by the gene.
Define mutagens
Facotrs causing mutations such as viruses, ionizing radiation and certain chemicals.
List and describe the characteristics used to classify different epithelial tissues.
Number of cells, shape of cells, prescense of surface specializations
Different classifications of glands,
endocrine, exocrine, unicellular exocrine, multicellular exocrine.
List the 3 types of muscle
skeletal, cardiac, and smooth
List the phases of healing:
inflammatory, organization (formation of granulation tissue), repair, maturation/remodeling phase.
Define microvilli
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.
Define basement membrane
a noncellular, collagen-based structure that supports epithelial tissue.
Define endocrine glands
glands or cells that release their regularoty products directly into the bloodstream.
Define exocrine glands
glands that release their secretions through ducts that directly to the location intended to be controlled.
Define hormones
chemical messengers of the body that are produced and excreted by specific cells for the purpose of regulating specifc organs or cells.
Define gland
a cell or group of cells that have the ability to manufacture and discharge a secretion.
What are the 4 common types of epithelial membranes?
Simple, stratified, pseudostratified, transitional
Even though blood and bone appear to be grossly different, they both represent types of connective tissue. Why?
They are both comprosed of 3 distinct components: extracellular fibers, ground substance, and cells.
Define inflammation
body’s attempt to isolate the area, limit damage caused by the injury, and prevent further damage.
Define proud flesh
when tissue granulation becomes too thick and stands out above the epithelial layer.
Define epithelialization
epithelial cells around the wound edges actively divide to lay down a new layer of epithelial tissue over the granulation tissue.
Define granulation tissue
the perfused, , fibrous connective tissue that replaces a fibrin clot in healing wounds
Define and describe first-intention healing
When wound edges are brought together so that they are adjacent to each other (re-approximated)
Define and describe second -intention healing.
wound is allowed to granulate, results in a broader scar, healing process slower
Is scar tissue stronger than original, healthy tissue?
It is strong, but lacks the flexibility of healthy tissue.
_________ are cancers of the blood cells while ____________ are cancers of the lymphatic system.
Leukemias, Lymphoma
All of the following are characteristics of malignant tumors except:
Are encapsulated by a tough fibrous capsule
Systemic symptoms that occur at sites distant from the site of the primary tumor and that are indirectly associated with cancer is called________.
Paraneoplastic syndromes
The term that describes general ill health and malnutrition marked by weakness and emaciation and is usually associated with severe disease is called:
Cachexia
____________ tumors are not encapsulated and tend to spread to other regions of the body.
Malignant