Biology Articles

• Arthritis
  Healthy Aging
  Attention Deficit Disorder
  Sports Medicine
  Stem Cells
  Osteoporosis
   

  Cartilage

  Cartilage is a type of dense connective tissue. Cartilage is composed of cells called chondrocytes which are dispersed in a firm gel-like ground substance, called the matrix. Cartilage is avascular ... > more
• Neuroscience
  Developmental Biology
  Molecular Biology
  Brain Injury
  Genetics
  Biology
   
  

  Neurobiology

  Neurobiology is the study of cells of the nervous system and the organization of these cells into functional circuits that process information and mediate behavior. It is a subdiscipline of both ... > more
• Perception
  Neuroscience
  Nervous System
  Eye Care
  Psychology Research
  Healthy Aging
   
  

  Sensory system

  A sensory system is a part of the nervous system responsible for processing sensory information. A sensory system consists of sensory receptors, neural pathways, and parts of the brain involved in ... > more
• Fertility
  Mating and Breeding
  Sexual Health
  Pregnancy and Childbirth
  Erectile Dysfunction
  Prostate Cancer
   

  Semen

  Semen or sperm is a fluid that contains spermatozoa. It is secreted by the gonads (sexual glands) of male or hermaphroditic animals, including humans, for fertilization of female ova. Semen ... > more
• Hearing Loss
  Hearing Impairment
  Tinnitus
  Nervous System
  Healthy Aging
  Attention Deficit Disorder
   
  

  Auditory system

  The auditory system is the sensory system for the sense of hearing. The sound waves enter the ear canal, a simple tube (but one which amplifies sounds that are between 3 and 12 kHz). At the far end ... > more
• Molecular Biology
  Stem Cells
  Cell Biology
  Genetics
  Developmental Biology
  Lung Cancer
   
  

  Apoptosis

  In biology, apoptosis is one of the main types of programmed cell death (PCD). As such, it is a process of deliberate life relinquishment by an unwanted cell in a multicellular ... > more
• Stem Cells
  Biotechnology
  Developmental Biology
  Molecular Biology
  Genetics
  Skin Cancer
   
  

  Stem cell

  Stem cells are primal cells found in all multi-cellular organisms. They retain the ability to renew themselves through mitotic cell division and can differentiate into a diverse range of specialized ... > more
• Cloning
  Healthy Aging
  Human Biology
  Epigenetics Research
  Pregnancy and Childbirth
  Epigenetics
   

  Human cloning

  Human cloning is the creation of a genetically identical copy of an existing, or previously existing, human being or growing cloned tissue from that individual. The term is generally used to refer to ... > more
• Developmental Biology
  Human Biology
  Diseases and Conditions
  Healthy Aging
  Sports Medicine
  Attention Deficit Disorder
   
  

  Parasympathetic nervous system

  The parasympathetic nervous system is one of three divisions of the autonomic nervous system. Sometimes called the rest and digest system, the parasympathetic system conserves energy as it slows the ... > more
• Hormone Disorders
  Healthy Aging
  Sports Medicine
  Nervous System
  Attention Deficit Disorder
  Psychology Research
   
  

  Oxytocin

  Oxytocin is a mammalian hormone that also acts as a neurotransmitter in the brain. In women, it is released mainly after distension of the cervix and vagina during labor, and after stimulation of the ... > more

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