Search Results for: junctions
Tight junction
What are tight junctions? Tight junctions are the intercellular barrier between two neighboring endothelial and epithelial... Read More
Cell adhesion
Cell Adhesion Definition Cell adhesion is the process in which a cell uses a specialized complex of proteins to get... Read More
Cell junction
Definition noun, plural: cell junctions Intercellular connections between adjacent cells, resulting in varying degrees of... Read More
Anchoring junction
Definition noun, plural: tight junctions A type of cell junction that is attached to components of the extracellular... Read More
Gap junction
Definition noun, plural: gap junctions A type of cell junction characterized by the intercellular channel that is formed in... Read More
Eukaryotic cells
Eukaryotic Cells Definition What is a eukaryotic cell? Eukaryotic cells refer to the cells of (or derived from) eukaryotes,... Read More
Simple squamous epithelium
Simple Squamous Epithelium Definition Simple squamous epithelium, also known as simple squamous epithelial tissue or... Read More
Epithelium
An epithelium is a type of animal tissue made up of densely packed cells (called epithelial cells) that rest on a basement... Read More
Cell membrane
Cell Membrane Definition Just like any non-living body possesses a plastic or paper packaging material that keeps the... Read More
Cell Structure
The interior of human cells is divided into the nucleus and the cytoplasm. The nucleus is a spherical or oval-shaped... Read More
Macula adherens
Definition noun A type of anchoring junction between neighboring cells forming a plaquelike site on the cell... 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
Hemidesmosome
Definition noun, plural: hemidesmosomes A type of anchoring junction between neighboring cells forming a rivet-like links... Read More
Animal cell
An animal cell is the fundamental functional unit of life of animals. It is also the basic unit of reproduction. Animal... Read More
Smooth muscle
The smooth muscle can be described as a type of muscle in the human body that is non-striated and involuntary in action.... Read More
Blood-brain barrier
Definition noun A semipermeable membrane that serves as a selective barrier separating the circulating blood and the... 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
Recombination DNA repair
Recombination DNA Repair Definition Recombination DNA repair is a biological reparative process in response to DNA damage... Read More
Spot desmosome
Definition noun, plural: spot desmosomes A type of desmosome characterized by a circular or spot-like rivet between... Read More
Basolateral plasma membrane
Basolateral plasma membrane (Science: cell biology) The plasma membrane of epithelial cells that is adjacent to the basal... Read More
Terminal web
Definition noun (cell biology) The subapical zone rich in microfilaments, and acts as the attachment point for the bundles... Read More
Digestion and Absorption of Food
The gastrointestinal (GI) system includes the gastrointestinal tract (mouth, pharynx, esophagus, stomach, small intestine,... Read More
Circulation
Blood Blood is composed of a liquid, plasma, and blood cells such as erythrocytes (red blood cells,) leukocytes (white... Read More
Movement of Molecules Across Cell Membranes
Diffusion Diffusion is essentially the movement of molecules from a region of higher concentration to a region of lower... Read More
Genetic material
Genetic Material Definition What is genetic material? Genetic material is the hereditary substance in the cell. It carries... Read More
Septate junction
septate junction An intercellular junction found in invertebrate epithelia that is characterised by a ladder like appearance... Read More
Crown of head
Crown of Head Definition The crown of the head is the upper dorsal part (or area) of the head. Several creatures have... Read More
Belt desmosome
Definition noun, plural: belt desmosomes A type of desmosome characterized by a belt-like rivet between neighboring... Read More