Spider and Tick Articles

• Hearing Impairment
  Hearing Loss
  Healthy Aging
  Disability
  Perception
  Diseases and Conditions
   

  Hearing impairment

  A hearing impairment is a decrease in one's ability to hear (i.e. perceive auditory information). While some cases of hearing loss are reversible with medical treatment, many lead to a permanent ... > more
• Nervous System
  Neuroscience
  Brain Injury
  Healthy Aging
  Molecular Biology
  Cell Biology
   
  

  Neuron

  Neurons (also known as neurones, nerve cells and nerve fibers) are electrically excitable cells in the nervous system that function to process and transmit information. In vertebrate animals, neurons ... > more
• Fish
  Fisheries
  Marine Biology
  Healthy Aging
  Sports Medicine
  Wild Animals
   
  

  Salmon

  Salmon is the common name for several species of fish of the family Salmonidae. Several other fish in the family are called trout. Salmon live in both the Atlantic and Pacific Oceans, as well as the ... > more
• Dolphins and Whales
  Endangered Animals
  Animals
  Mammals
  New Species
  Apes
   
  

  Toothed whale

  The toothed whales (systematic name Odontoceti) form a suborder of the cetaceans. As the name suggests, the suborder is characterized by having ... > more
• Dentistry
  Sports Medicine
  Healthy Aging
  Attention Deficit Disorder
  Genes
  Pregnancy and Childbirth
   
  

  Tooth enamel

  Tooth enamel is the hardest and most highly mineralized substance of the body, and with dentin, cementum, and dental pulp is one of the four major parts of the ... > more
• Endangered Animals
  Animals
  Nature
  Mammals
  Trees
  Mating and Breeding
   
  

  Koala

  The Koala (Phascolarctos cinereus) is a thickset arboreal marsupial herbivore native to Australia, and the only extant representative of the family, Phascolarctidae. Koalas live almost entirely on ... > more
• Insects (including Butterflies)
  Invasive Species
  Animals
  Exotic Species
  New Species
  Mating and Breeding
   
  

  Ant

  Ants are one of the most successful groups of insects in the animal kingdom and are of particular interest because they are a social insect and form highly organized colonies or nests, often ... > more
• Erectile Dysfunction
  Healthy Aging
  Attention Deficit Disorder
  Mating and Breeding
  Muscular Dystrophy
  Sports Medicine
   
  

  Sex linkage

  Sex linkage is the phenotypic expression of an allele that is dependent on the gender of the individual and is directly tied to the sex chromosomes. In such cases there is a homogametic sex and a ... > more
• Zoology
  Behavioral Science
  Agriculture and Food
  Life Sciences
  Wild Animals
  Animals
   
  

  Animal rights

  Animal rights, or animal liberation, is the movement to protect animals from being used or regarded as property by human beings. It is a radical social movement, insofar as it aims not merely to ... > more
• Influenza
  Bird Flu Research
  Bird Flu
  Cold and Flu
  Virology
  Viruses
   
  

  Avian flu

  Avian flu (also "bird flu", "avian influenza", "bird influenza"), means "flu from viruses adapted to birds", but is sometimes mistakenly used to refer to both other flu subsets (such as H5N1 flu) or ... > more

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