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RSSSensory neuron
Sensory neurons are nerve
cells within the nervous
system responsible for
converting external stimuli
from the organism's
environment into internal
electrical impulses. For
example, some sensory
... > full story
Peripheral nervous system
The peripheral nervous
system or PNS, is part of
the nervous system, and
consists of the nerves and
neurons that reside or
extend outside the central
nervous system (the brain
... > full story
Somatic cell
A somatic cell is generally
taken to mean any cell
forming the body of an
organism. Somatic cells, by
definition, are not germline
cells. In mammals, germline
cells are the sperm and ova
(also known as "gametes")
... > full story
Biological tissue
Biological tissue is a
collection of interconnected
cells that perform a similar
function within an organism.
The study of tissue is known
as histology, or, in
connection with disease,
histopathology.
... > full story
Browse Reference Articles
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Human biology
Human biology is an academic field of biology which focuses on humans; it is closely related to medicine, primate biology, and a number of other fields. A human being is a multicellular eukaryote ... > more -
Motor neuron
In vertebrates, motor neurons (also called motoneurons) are efferent neurons that originate in the spinal cord and synapse with muscle fibers to facilitate muscle contraction and with muscle spindles ... > more -
Developmental biology
Developmental biology is the study of the process by which organisms grow and develop. Modern developmental biology studies the genetic control of cell growth, differentiation and "morphogenesis," ... > more -
Vector (biology)
Traditionally in medicine, a vector is an organism that does not cause disease itself but which spreads infection by conveying pathogens from one host to another. Species of mosquito, for example, ... > more -
Molecular biology
Molecular biology is the study of biology at a molecular level. The field overlaps with other areas of biology and chemistry, particularly genetics and biochemistry. Molecular biology chiefly ... > more -
Trait (biology)
In biology, a trait or character is a feature of an organism. The term phenotype is sometimes used as a synonym for trait in common use, but strictly speaking, does not indicate the trait, but the ... > more -
Cell (biology)
The cell is the structural and functional unit of all living organisms, and is sometimes called the "building block of life." Some organisms, such as bacteria, are unicellular, consisting of a single ... > more -
Introduction to genetics
Genetics is the study of how living things receive common traits from previous generations. These traits are described by the genetic information carried by a molecule called DNA. The instructions ... > more
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