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86 Cards in this Set
- Front
- Back
The Basic structural unit of all plants and animals
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cell
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outer covering of a cell
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cell membrane
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able to allow some substances through the cell membrane
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semipermeable
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thick fluid or protoplasm that fills the cell
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cytoplasm
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structures that perform specific fucntions within a cell
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organelles
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the organelle within the cell that contains the DNA
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nucleus
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high energy compound that is present in all cells. mainly muscles after they are split my enzymes, splitting occurs and energy is then present.
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adenosine triphosphate
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the sum of all of the cells, tisues, organs and organ systems that make up a living being
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organism
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group of cells that perform a certain function
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tissue
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lining of skin or mucous membranes or lining of the intestinal tract
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epithelial tissue
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tissue that is capable of contraction when stimulated
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muscle tissue
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the most abundant tissue. provides support, connection and insulation
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connective tissue
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tissue that transmits electrical impulses through the body
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nerve tissue
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a group of tissues funstioning together(heart,liver, brain)
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organ
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group of organs that work together (heart, gastrointestinal system
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organ system
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body systems that work to reverse or compensate for a pathophysiological process
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negative feedback loop
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natural tendency of the body to maintain a steady environment
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homeostasis
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structure of an organism
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anatomy
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functions of an organism
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physiology
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the total changes that take place during physiological processes.
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metabolism
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effects of disease (2)
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local and systemic
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Conrtol Systems
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nervous and endocrine
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total amount of water in the body at one time
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total body water
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the fluid inside the body cells
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intracellular fluid
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the fluid outside the body cells
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extracellular fluid
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fluid within the circulatory system
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intravascular fluid
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the fluid in the body tissues that is outside the cells and outside the vascular system
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interstitial fluid
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substance that dissolves other substances
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solvent
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normal tension in the cell
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tugor
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a substance that in water, seperates into electrically charged particles
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electrolyte
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seperate or break down
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dissociate
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a charged particle
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ion
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an ion with a positive charge
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cation
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an ion with a negaive charge
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anion
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substance that preserves or restores a normal acid balance by increasing or decreasing the hydrogen ions
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buffer
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equal in concentration of solute molecules
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isotonic
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having a greater concentration of solute molecules
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hypertonic
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having a lesser concentration of solute molecules
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hypotonic
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the difference of concentration between solutions on oppposite sides of a semipermeable membrane
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osomtic gradient
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movement of molecules through a membrane from an area of greater concentration to a area of lesser concentration
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diffusion
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passage of a solvent through the membrane
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osmosis
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movement of a substance through a cell membrane against the osmotic gradient; that is from the lesser area to the greater concentrated area or the opposite diretion of diffusion
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active transport
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diffusion of a substance such as glucose through a cell membrane with a helper protein
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facilitated diffusion
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concentration of a solute per kilogram of water
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osmolality
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concentration of a solute per litre of water
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osmolarity
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the pressure exerted by the concentration of solutes on one side of a membrane that, if hypertonic, tends to pull water from the other side of the membrane
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osmotic pressure
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a form of osmotic pressure exerted by the large protein molecules, or colloids present in plasma.
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oncotic force
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blood pressure or force against vessel walls created by the heart beat.
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hydrostatic pressure
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movement of water out of the plasma across the cap. membrane into the intertitial space
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filtration
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the total loss of water from blood plasma across the cap membrane into the intertitial space
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net filtraion
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potential for amount of hydrogen
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pH
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high concentration of hydrogen ions or a pH below 735
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acidosis
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low concentration of hydrogen ions or a pH higher than 745
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alkalosis
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bicarbonate buffer system, respiration, kidney function
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mechanisms to remove hydrogen ion
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cell membrane, cytoplasm,organelles
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elements of the cell
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layers of skin
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epi, dermis, subcutaneous tissue
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outer most layer of skin
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epidermis
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fatty secretion of the sebaceous gland that helps keep skin pliable and waterproof
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sebum
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true skin or corium, covers the blood vessels and nerves associated with the skin
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dermis
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glands within the dermis secreting sebum
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sebaceous glands
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gland that secrete sweat
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sudoriferious glands
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body layer beneath the dermis
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subcutaneous tissue
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body system that produces and develops blood cells
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hematopoietic system
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what system has bone marrow, liver, spleen, kids, blood
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hematopoietic system
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a cell from which various types of blood cells can form
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pluripotent stem cell
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process where pluripotent stem cells grow into various types of blood cells
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hematopoiesis
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RBC, WBC, Platlets are...
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formed elements
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hormone responsible for RBC production
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erthyropoietin
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oxygen bearing molecule in the RBC
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hemoglobin
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pO2
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partial pressure of oxygen
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pCO2
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partial pressure of carbon dioxide
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phenomenon where a dcecrease in acidity causes an increase in the quantity of oxygen that binds the hemoglobin
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bohr effect
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chemical in RBC that affects hemoglobins affinity for oxygen
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2,3-diphosphoglycerate
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process of producing red blood cells
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eyrthropoiesis
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destruction of RBC
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hemolysis
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trapping of RBC by an organ
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sequestration
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the packed cell volume of RBC per unit of blood
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hematocrit
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white blood cell
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leukocyte
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when white blood cells move in response to chemical signals
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chemotaxis
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when WBC engulf and destroy invaders
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phagocytosis
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when stem cells turn from cells into immature white blood cells
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leukopoiesis
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white blood cell blasts
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myelo, mon, lymph
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WBC categories
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granulocytes, monocytes,lymphocytes
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Granulocyte Classifications
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Basophils, Eosinohils, Neutrophils
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a larvacidal peptide
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major basic protein
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a low neutrophil count
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neutropenia
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