89 results found

Search Results for: target cell

Cell wall

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

Autocrine signaling

Autocrine Signaling Definition What is autocrine signaling? Autocrine signaling is a type of cell signaling wherein a cell... Read More

Plasma membrane

Do all cells have a plasma (or cell) membrane? Yes, all cells have a biological membrane that separates the protoplasm from... Read More

Target cell

target cell An erythrocyte in target cell anaemia, with a dark centre surrounded by a light band that again is encircled by... 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

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

Selectively-permeable membrane

Selectively Permeable Membrane Definition We can define selectively permeable membranes as those that are selectively... Read More

Antigen

Antigen Definition What is an antigen? A simple definition is that an antigen refers to any substance that triggers an... 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

Neural Control Mechanisms

Nerve cells called neurons generate electric signals that pass from one end of the cell to another and release chemical... Read More

Cytotoxic T cell

Definition noun, plural: cytotoxic T cells A T cell responsible for inducing death to target cells (e.g. infected somatic... Read More

Homeostatic Mechanisms and Cellular Communication

Homeostasis is the relatively stable conditions of the internal environment that result from compensatory regulatory... Read More

Endocytosis

Endocytosis Definition What is endocytosis in biology? Endocytosis is a cellular process by which a cell internalizes any... Read More

Cell signaling

Definition noun The process of communication occurring between the cells and within the cell Supplement Cell signaling is... Read More

Carrier protein

Carrier protein is a type of cell membrane protein involved in facilitated diffusion and active transport of substances out... Read More

The Human Nervous System

The nervous system is essentially a biological information highway, and is responsible for controlling all the biological... Read More

Ribosome

A biological cell is composed of many components called organelles. These organelles serve their specific purposes to make... Read More

Dendrite

Definition noun, plural: dendrites (1) Any of the threadlike extensions or projections of the cytoplasm of a neuron;... Read More

Tissue

Tissue Definition What is tissue in the body? The body tissue is an aggregation of cells that function together and have a... Read More

Hormone Production

Reviewed by: Mary Anne Clark, Ph.D. Hormones are chemical messengers produced by glands in the endocrine system.... Read More

K cell

Definition noun An abbreviated form for killer cell, a form of T lymphocyte that kills target cell through... Read More

Gene gun

Definition noun A method of transferring large molecules such as DNA into the cell by coupling the DNA to a nanoparticle of... Read More

Steroid hormone

Definition noun, plural: steroid hormones A type of steroid that acts as a hormone, and that which is exemplified by sex... Read More

Mexican hat cell

Mexican hat cell --> target cell An erythrocyte in target cell anaemia, with a dark centre surrounded by a light band... 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

Electroporation

Definition noun, plural: electroporations A non-chemical method that transfers the genetic material into the recipient cell... Read More

Sonoporation

Definition noun A mechanical method of delivering molecules into the cell using sound, e.g. ultrasonic... 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

Phagosome

Definition noun plural: phagosomes phag·o·some, ˈfæg əˌsoʊm (cell biology) A vesicle that forms by pinching off... Read More

Vector

Vector Definition When one thinks of vectors one may think of many different things. This is because a vector can be... Read More

Phosphorylation

Phosphorylation Definition We can define phosphorylation as a biochemical process in which a phosphate molecule is added to... Read More

RASER proteins selectively “hack” and “shut down” cancer cells

According to World Health Organization, cancer is the second leading cause of death worldwide. The record showed that it... Read More

Principles of Hormonal Control Systems

Hormones are chemical messengers that enter the blood directly upon their secretion from endocrine glands. A single gland or... Read More

Homeostasis

Homeostasis is the tendency not to stray from the range of favorable or ideal internal conditions. Such conditions must be... Read More

Mosaicism

Cells often go through many divisions before they become a part of an organism’s genetic make-up. This leaves room for... Read More

Biological Cell Defense

Organisms must find a means of defense against antigens such a viruses described on the previous tutorial. If this was not... Read More

Deoxyribonucleic acid

Deoxyribonucleic Acid (DNA) Definition A nucleic acid refers to any of the group of complex compounds made up of linear... Read More

Axon

Definition noun, plural: axons A long slender fibre of a neuron and is responsible for conducting nerve impulses away from... Read More

Cloning

Cloning Definition In biology, cloning is the process of producing similar populations of genetically identical individuals... Read More

Impalefection

Definition noun A method of delivering large molecules into cells using nanomaterials, such as carbon nanofibers, carbon... Read More