373 results found

Search Results for: organ

Organ

Definition Of Organ An organ is a collection of tissues that carries out a function or set of related ones. An organ often... Read More

Organization

Organization Definition The meaning of the term "organization" is very simple. It means the state wherein things are... Read More

The interstitium – a new biological organ?

Scientists found, apparently by accident, a new biological organ and they want it called "interstitium". The discovery was... Read More

Organ culture

Definition noun, plural: tissue cultures (1) The technique of cultivating organ primordia or pieces of tissue in the... Read More

Sense organ

Definition noun, plural: sense organs An organ or structure that has nerve endings capable of detecting and reacting to a... Read More

Floating organ

Floating organ --> wandering organ An organ with loose attachments, permitting its displacement. Synonym: floating organ,... Read More

Organism

An organism refers to a living thing that has an organized structure, can react to stimuli, reproduce, grow, adapt, and... Read More

Lymphoid organ

Definition noun, plural: lymphoid organs The organ of the lymphatic system, and carries out various immune... Read More

Target organ

target organ A tissue or organ upon which a hormone exerts its action; generally, a tissue or organ with appropriate... Read More

Vestigial

Vestigial (organ) is a degenerate organ or structure or physical attribute that has little to no function in the species but... Read More

Accessory organs

Accessory organs --> supernumerary organs organs exceeding the normal number, which may develop from multiple foci of... Read More

Parenchyma

Parenchyma Definition What does parenchyma mean? Let's define the word "parenchyma". Most of the functional tissues in... Read More

Reproductive system

What is the Reproductive System? The reproductive system of an organism is the biological system made up of all the... Read More

Microorganism

Definition noun, plural: microorganisms An organism that is microscopic or submicroscopic, which means it is too small to... Read More

Macroorganism

Definition noun, plural: macroorganisms Any macroscopic organism. Supplement Macroorganisms are large enough to be seen by... Read More

Anther

The floral diversity on this planet is huge. And if you peep into the sub-category of angiosperms among this floral... Read More

Chimera

When we learned about the basic genetics of biological life, we came to know that almost all the cells of an individual have... Read More

Nervous system

Definition noun The organ system responsible mainly for coordination of bodily reactions, organ monitoring, and information... Read More

Ear

Ear 1. The organ of hearing; the external ear. in man and the higher vertebrates, the organ of hearing is very complicated,... Read More

Integumentary system

Integumentary System Definition The integumentary system is the outermost layer of the body. The animal body, in... Read More

Anatomy

Anatomy Definition Often we hear the term 'anatomy' while learning about the body and how it works. What is anatomy? What... Read More

Longitudinal section

Longitudinal Section Definition To describe the direction of movements and location of different body structures, a... Read More

Types of Transplants

Submitted to biologyonline.com on March 7, 2009Published by biologyonline.com on March 29, 2009 Transplants are... Read More

Respiratory system

Definition noun An organ system comprised of organs and structures associated for respiration or gas exchange Supplement An... Read More

Muscular system

Muscular System Definition What is the muscular system? The muscular system is a system that includes muscle cells and... Read More

Embryo

An embryo refers to the early developmental stage of a multicellular organism that follows fertilization. This stage... Read More

Protist

Protist Definition What is a protist? All protists are eukaryotes, i.e. organisms with a nucleus. However, they are... Read More

Organic

Definition noun, plural: organics (Chemistry) An organic compound; or any substance containing carbon-based compounds,... Read More

Digestive system

Definition noun A system of organs in which the major function is to convert food into simpler, absorbable nutriments to... Read More

Flehmen response

Definition noun A behavior in certain animals wherein the animal curls back the upper lip thereby exposing the front teeth,... Read More

Immune system

Definition noun The organ system that is involved in protecting the organism from infection, infestation, and other... Read More

Organelle

The cell is regarded as the structural, functional, and biological unit of all organisms. It is a membrane-bound structure... Read More

Kingdom Animalia

Kingdom Animalia Definition Each person can say that they know of or can name at least one animal. However, do people know... Read More

Hypertrophy

Hypertrophy Definition Hypertrophy refers to the enlargement or increase in the size of an organ or tissue due to the... Read More

Ganglion

Ganglia Definition What are ganglia? To simply define ganglia in biology, it is the structure of an oval shape that... Read More

Disorganization

Disorganization Destruction of an organ or tissue with consequent loss of... Read More

Sexual reproduction

Sexual reproduction is a mode of reproduction involving the fusion of haploid female gamete (egg cell) and haploid male... Read More

Chondrichthyes

Definition noun A taxonomic class comprised of cartilaginous fish Supplement Chondrichthyes is taxonomic superclass of... Read More

Ganglia

Ganglia Definition What are ganglia? To simply define ganglia in biology, it is the structure of an oval shape that... Read More

Myocardium

Myocardium Definition What is the myocardium of the heart?  It is the muscular middle layer of the heart that is... Read More