66 results found

Search Results for: vesicle

Vesicle

Definition noun, plural: vesicles (general) A small sac or cyst containing fluid or gas (cell biology) A bubble-like... Read More

Secretory vesicle

Definition noun, plural: secretory vesicles Membrane bounded vesicle derived from the Golgi apparatus and containing... Read More

Synaptic vesicle

Definition noun, plural: synaptic vesicles (neurobiology) Any of the intracellular, membrane-bound compartments with... Read More

Endomembrane system

Ever wondered how biomolecules are made within the cell and then they are released outside the cell for use by the body?... Read More

Endocytosis

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

Vesicle hernia

vesicle hernia protrusion of a segment of the bladder through the abdominal wall or into the inguinal canal and into the... Read More

Germinal vesicle

Definition noun The large nucleus of the primary oocyte before meiosis is completed and polar bodies are... Read More

Inside out vesicle

Inside out vesicle mechanical disruption of cell membranes gives rise to small closed vesicles surrounded by a bilayer... Read More

Pinocytosis

Pinocytosis Definition What is pinocytosis?  Pinocytosis is the ingestion of extracellular fluids, i.e. the fluid... Read More

Golgi apparatus

Definition noun Gol·gi ap·pa·rat·us, ˈgɔl dʒi ˌæpəˈreɪtəs (cell biology) An organelle that is comprised of... Read More

Phagosome

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

GERL

Definition noun Acronym for Golgi - Endoplasmic Reticulum - Lysosome complex, a system found in the cell that involves... Read More

Membrane vesicles

membrane vesicle (Science: cell biology) Closed unilamellar shells formed from membranes either in physiological transport... 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

Vacuole

Definition noun, plural: vacuoles (cell biology) A membrane-bound vesicle found in the cytoplasm of a cell whose function... 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

Endomembrane

Definition noun, plural: endomembranes The membraneous components in a cell, i.e. nuclear envelope, endoplasmic reticulum,... Read More

Sarcolemma

Sarcolemma Definition What is the sarcolemma? It is the thin, transparent, extensible plasma membrane of the muscle cell.... Read More

Centrosome

Centrosome Definition What is a centrosome? The centrosome is considered to be the main microtubule-organizing... Read More

Cyanobacteria

Cyanobacteria is a phylum comprised of photosynthetic bacteria that live in aquatic habitats and moist soils. Others are... Read More

Phagocyte

Definition noun, plural: phagocytes Any of the cells specialized in engulfing and destroying foreign particles, as well as... Read More

Lysosomal enzyme

Definition noun plural: lysosomal enzymes ly·so·somal en·zyme, ˈlaɪsəˌsoʊm əl ˈɛnzaɪm (biochemistry) Any of... Read More

Tropocollagen

Definition noun, plural: tropocollagens A single collagen molecule; a molecular structure that makes up a collagen fiber,... Read More

Endosome

Endosome Definition noun plural: endosomes en·do·some, ˈəndoˌsoʊm (cell biology) A membrane-bound cytoplasmic... Read More

Cell membrane

Definition noun plural: cell membranes ˈmembɹeɪn The cell’s outer membrane made up of a two layers of phospholipids... Read More

Pathobiology of allergy and its most severe form, anaphylaxis

When allergy season looms, some people with serious hypersensitivity to allergens tend to be apprehensive of what may come.... Read More

Turgor pressure

In biology, turgor pressure definition pertains to the pressure that is exerted by the fluid (e.g. water) against the cell... Read More

Amniotic sac

Definition noun, plural: amniotic sacs Fluid-filled sac where the embryo or fetus is suspended in the uterus or in the of... Read More

Cortex

Definition noun, plural: cortexes, cortices (anatomy) The outer layer or region of a structure or an internal organ (botany)... Read More

Prometaphase

Definition noun The phase of mitosis between prophase and metaphase wherein the nuclear envelope breaks down and form... Read More

Autophagy

Definition noun A programmed cell death characterized by biochemical events leading to self-digestion through the... Read More

Protolysosome

protolysosome (Science: cell biology) primary lysosome that has not been involved in fusion with another vesicle or in... Read More

Delivery system

Delivery system a manmade system with the purpose of delivering a drug or another chemical directly into a cellular target,... Read More

Lysosome

Lysosome Definition noun plural: lysosomes ly·so·some, ˈlaɪsəˌsoʊm (cell biology) Organelle containing a large... Read More

Miniature end plate potential

miniature end plate potential (Science: physiology) small fluctuations (typically 0.5 mV) in the resting potential of... Read More

Smooth endoplasmic reticulum

Smooth Endoplasmic Reticulum Definition Smooth endoplasmic reticulum (sER) is (a part of) endoplasmic reticulum that is... 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