Key Words Flashcards
Anoxia
the absence of oxygen in an area
Autonomic nervous system
part of the nervous system responsible for the control of functions that aren’t under conscious control
Benign
not harmful, non-cancerous
Cistern
a channel or tubule in the cell
Cytology
the study of cells
Diploid
having 2 complete sets of chromosomes per cell
Enzyme
a protein that speeds up the rate of a reaction without itself being used in the reaction
Equilibrium
balance
Gene
the basic unit of genetic material
Haploid
having one complete set of chromosomes per cell
Histology
the study of tissues
Homeostasis
the process by which the body maintains a stable internal environment
Hydrophilic
water-loving
Hydrophobic
water-hating
Hypoxia
a lack, or deficiency, of oxygen in an area
Ischemia
a reduced or inadequate blood supply to an area
Kinetic energy
the energy of motion
Malignant
cells are dividing abnormally or uncontrollably, cancerous
Metabolism
the changes that take place within the body to enable its growth and function
Phagocytosis
the engulfment and destruction of microbes, cell debris, and foreign matter by phagocytes, which are a type of white blood cell
Solvent
a liquid in which a solid is dissolved
Somatic
any cell except the reproductive cells
Vacuole
a space within the cytoplasm of a cell that contains material take in by the cell
Vesicle
a small, fluid-filled sac
Arthrology
the study of joints
Articulation
the point of contact between 2 bones (commonly called a joint)
Cartilage
a resilient, strong connective tissue
Demineralisation
the process through which minerals (like Ca and P) are lost from the bones
Hemopoiesis
the production of blood cells and platelets
Kinesiology
the study of the motion of the body
Ligament
a tough band of connective tissue that attaches bone to bone
Osseous tissue
bone tissue
Ossification
the process of bone formation
Osteology
the study of the structure and function of bones
Process
a bony projection or prominence
Remodelling
the process through which new bone tissue replaces old, worn out, or injured bone tissue
Tendon
a tough band of connective tissue that attaches muscles to bones
Action potential
an electrical charge that occurs on the membrane of a muscle cell in response to a nerve impulse
Aerobic
requiring oxygen
Agonist
the muscle responsible for causing a movement (prime mover)
Anaerobic
not requiring oxygen
Antagonist
- the muscle that opposes the movement caused by a prime mover
- it relaxes and lengthens in a controlled way to ensure movement is performed smoothly by the prime mover
Aponeurosis
a flat, sheet-like tendon that attaches muscle to bone, to skin, or another muscle
Atony
the lack of muscle tone
Atrophy
the wasting away of muscles
Autorhythmic cells
muscle or nerve cells that generate an impulse without an external stimulus (i.e. they’re self-excitable)
Conductivity
the ability of muscle cells to move action potentials along their plasma membranes
Contractility
the ability of muscles to contract and shorten