extracellular
Beyond membrane boundaries
Extracellular means outside a cell or cells.
The term appears in biology and medicine to describe substances, fluids, or processes occurring in the spaces between cells rather than within them: extracellular fluid, extracellular matrix.
The opposite is intracellular.
Relating to small gaps
- plasmaElectrified matter state
- serumBlood's watery portion
- lymphInterstitial body fluid
- cerebrospinalOf brain and spinal cord
electrolytes · ions · nutrients · oxygen · carbon dioxide · pH · homeostasis · diffusion
Structural body protein
- elastinProtein enabling tissue recoil
- glycoproteinProtein bonded to carbohydrates
- basement membraneExtracellular matrix beneath epithelia
- stromaSupportive tissue framework
scaffold · fibroblast · connective tissue · cartilage · tendon · ligament · dermis · fascia
Vesicular release from cells
- secretionSubstance released by glands
- excretionRemoval of metabolic waste
- permeabilityAbility to transmit fluids
- absorptionProcess of taking in
efflux · channel · pump · carrier · endocytosis · gradient · solute
Immune signaling proteins
- hormonesBloodstream signaling molecules
- neurotransmittersChemical neural messengers
- growth factorsProteins stimulating cell proliferation
- ligandMolecule that binds centrally
interstitial
Relating to small gaps
cerebrospinal · electrolytes · ions · nutrients · oxygen · carbon dioxide · pH · homeostasis · diffusion · osmosis
collagen
Structural body protein
- elastinProtein enabling tissue recoil
- glycoproteinProtein bonded to carbohydrates
- basement membraneExtracellular matrix beneath epithelia
stroma · scaffold · fibroblast · connective tissue · cartilage · tendon · ligament · dermis · fascia · adipose
exocytosis
Vesicular release from cells
- secretionSubstance released by glands
- excretionRemoval of metabolic waste
- permeabilityAbility to transmit fluids
absorption · efflux · channel · pump · carrier · endocytosis · gradient · solute
cytokines
Immune signaling proteins
- hormonesBloodstream signaling molecules
- neurotransmittersChemical neural messengers
- growth factorsProteins stimulating cell proliferation
ligand · receptor · endocrine · vesicles · pheromone · secretion
- cell termscytoplasmic, nuclear, mitotic, eukaryotic, prokaryotic
- tissuesadipose, neural tissue, cardiac tissue, fibrous tissue, bone
extracellularintracellular
Within cell membranes
cytoplasmic · intranuclear · nuclear · endoplasmic · mitochondrial
cell, cellular, cellulose, cellophane, cellulite, unicellular, multicellular, intracellular, intercellular