Chapter 2 Biophysical Dimension Flashcards
Synaptic cleft
The space between any two neurons or between a neuron and another cell.
Sympathetic nervous system
The branch of the nervous system that mobilizes the body for emergencies.
Peripheral nervous system
All those nerves that lie outside the brain and spinal cord.
Parasympathetic nervous system
The branch of the nervous system that counteracts the activities of the sympathetic nervous system and conserves body resources.
Occipital lobe
Part of brain located below the parietal lobe and involved in the receiving and sending of visual information.
Neurotransmitters
Chemicals that are synthesized inside the neuron.
Neurons
The cells in the nervous system involved in conveying information from one cell to another.
Mitosis
The cellular process in which a body cell reproduces itself by dividing and producing two new daughter cells.
Meiosis
The process of cell division that creates the sex cells.
Glia
The supporting cells that make up the bulk of the brain.
Frontal lobe
The portion of the brain that participates in body movements, thinking, feeling, imagining, and making decisions.
Central nervous system
The brain and spinal cord.
Chromosome disorders
Abnormalities or defects caused by errors in an entire chromosome or part of a chromosome.
Genetic Counseling
More than 1,000 genetic tests are available, ranging in costs from $200 to $3,000; they are seldom covered by insurance, and there is no federal regulations.
Social Darwinism
The application of Darwinism to the study of human society, specifically a theory in sociology that individuals or groups achieve advantage over others as the result of genetic or biological superiority.
