Search Results for: transmission
Vertical transmission
vertical transmission (Science: microbiology) transmission of a pathogen such as hIV from mother to foetus or baby during... Read More
Reservoir host
Reservoir Host Definition A reservoir host is a host that harbors the pathogen and serves as a source of the infective... Read More
Transmission
transmission 1. (Science: microbiology, physiology) A passage or transfer, as of a disease from one individual to another or... Read More
Axon terminal
An axon terminal is any of the button-like endings of axons through which axons make synaptic contacts with other nerve... Read More
Actions of Caffeine in the Brain with Special Reference to Factors That Contribute to Its Widespread Use
IV. Actions of Caffeine on Brain Functions and BehaviorHaving discussed the molecular and neuronal actions of caffeine,... Read More
Parasitism
Organisms depend on different sources of food to survive. Larger organisms like plants make their own food (autotrophs) and... Read More
Axon hillock
Axon Hillock Definition What is axon hillock? If you are familiar with the different parts of the neuron, the axon hillock... Read More
Density dependent limiting factor
What Is A Density-Dependent Limiting Factor? Density-dependent limiting factors are limiting factors, which, depending on... Read More
Absorption
Absorption can be defined as the process of assimilating substances across the intestinal epithelial cells or the tissues... Read More
Obligate parasite
Parasitism is a form of symbiosis that occurs between a parasite and its host. The parasite is the organism that generally... Read More
Anterolateral system
Definition noun A composite bundle of fibers in the ventral half of the lateral funiculus of the spinal cord, and comprised... Read More
Definitive host
Different Biological Relationships The biological world is interconnected whether we notice it or not. All the life forms... Read More
Susceptible
Resistance, vulnerability, sensitivity, tolerance, and susceptibility are some highly important terminologies across the... Read More
Afferent Nerve
Afferent Nerve Definition The word ‘aferent’ means "steering or conducting something towards a destination". The... Read More
Phosphorylation
Phosphorylation Definition We can define phosphorylation as a biochemical process in which a phosphate molecule is added to... Read More
Y chromosome
Y chromosome Definition The Y chromosome constitutes one member of the pair of sex chromosomes within an organism, a common... Read More
Density dependent factor
Density-dependent factors are the limiting factors of an ecosystem that regulate population growth in a density-dependent... Read More
Genetic diversity
Genetic Diversity Definition Each species is composed of individuals with their own set of genes. A gene is the inheritance... Read More
Mendelian inheritance
Definition noun (genetics) A type of biological inheritance that conforms to the set of principles of Gregor Mendel... Read More
Depolarization
Depolarization is the removal of polarity by a process or action. It might also be used to describe how such activity leads... Read More
Branches of biology
What is a Branch of Biology? A branch of biology is a specialized field or a sub-discipline in a much broader field of... Read More
Electrical synapse
Definition noun A form of synapse between two apposed neurons in which nerve impulse transmission is rapid and occurs by... Read More
Sister chromatids
Sister Chromatids Definition Sister chromatids are defined as the two identical copies of a single replicated chromosome... Read More
Conjugation
Conjugation generally means the joining or coming together (union), such as in certain unicellular organisms (some bacteria,... Read More
Sensory Systems
A sensory system is a part of the nervous system consisting of sensory receptors that receive stimuli from the internal and... Read More
Biological Viruses
The prime directive of all organisms is to reproduce and survive and this also applies to viruses. Apparently, viruses are... Read More
Chromatids
Chromatid Definition Chromatids are found inside our cells. Chromatids are condensed chromosomes distinguishable during... Read More
Nematology
Definition noun The scientific study of nematodes (roundworms) Supplement Nematology is a branch of biology that deals... Read More
Dorsal root ganglion
Definition noun, plural: dorsal root ganglia (neuroanatomy) The ganglion on the dorsal root of every spinal nerve. It is... Read More
Amino sugar
Definition noun, plural: amino sugars A sugar molecule the nonglycosidic hydroxyl (–OH) group is replaced by an amine... Read More
Mitochondrial DNA not just from moms but also from dads?
If one wants to trace down lineage, that person could turn to the cell's powerhouse, the mitochondrion. This organelle... Read More
Gram-positive endospore-forming rods
Gram-Positive Endospore-Forming Rods Definition Gram-positive endospore-forming rods are a group of rod-shaped bacteria... Read More
Anthroponosis
Definition noun, plural: anthroponoses An infectious disease that can be transmitted from a human host to an animal... Read More