Simple categories matching extracellular:

• protein,
• bacterium,
• protease,
• pathogen,
• macromolecule,
• nucleotide,
• stress,
• substance,
• product,
• ligand,
• atp,
• stimulus,
• fluid,
• acceptor,
• molecule,
• space,
• polymer,
• matrix,
• microorganism,
• process,
• bacteria,
• variable,
• carrier,
• signal,
• organism,
• parasite,
• component,
• compound,
• activity,
• condition,
• germ,
• membrane,
• solid,
• substrate,
• structure,
• proteinase,
• enzyme,
• material,
• solute,
• opsonin,

Members with property extracellular:

• leukocyte_elastase,
• collagen,
• bacteria,
• heparin,
• collagen_fibril,
• chronic_hypoxia,
• bone_mineral,
• ligament,
• helminth_worm,
• protein,
• shell,
• atp,
• fibrinogen,
• pneumococcus,
• urate,
• elastin,
• cornea,
• organ_development,
• toxin,
• serine_proteinase,
• adenosine,
• basement_membrane,
• intercellular_adhesion,
• synaptic_cleft,
• mannitol,
• streptococcus,
• lipoprotein,
• urine,
• car_bacillus,
• specific_antibody,
• mucopolysaccharide,
• shear_stress,
• flagellum,
• serum,
• klebsiella,
• gelatin,
• ethanol,
• amyloid,
• acid_phosphatase,
• virus_hiv,
• milk_plasma,
• respiratory_cavity,
• cytoskeleton,
• alkaline_phosphatase,
• cell_adhesion,
• complement_protein,
• cerebrospinal_fluid,
• collagen_fiber,
• export_protein,
• adenosine-diphosphate_adp,
• wall_space,
• adp,
• sugar,
• debris,
• plasma_immunoglobulin,
• filaria_organism,
• parasitic_worm,
• pilus,
• albumin,
• gamma_hemolysin,
• jaw,
• interstitial_stroma,
• membrane,
• basal_lamina,
• dna,
• oxalate_oxidase,
• cartilage,
• mucus,
• ascitic_fluid,
• synovial_fluid,
• fiber,
• fibrinolysis,
• facultative_pathogen,
• lipase,
• articular_cartilage,
• dentine,
• inflammatory_exudate,
• inflammation_process,
• group-b_streptococcus,
• catecholamine,
• igg,
• enteric_bacteria,
• amylase,
• matrix,
• nucleotide,
• vascular_wall,
• bile,
• tendon,
• connective-tissue_fiber,
• touch,
• signaling_molecule,
• intimal_fluid,
• teeth,
• sheath,
• complement,
• light,
• saliva,
• plasminogen,
• edema,
• gastrointestinal_nematode,
• lymph,
• fibrin,
• alkaline_protease,
• nutrient,
• lysozyme,
• nematode,
• gi_secretion,
• nematode_cuticle,
• extracellular_matrix,
• polysaccharide,
• plasma,
• elastase,
• elastic_tissue,
• lipid,
• adenosine-triphosphate_atp,
• collagen_content,
• environmental_stress,
• mucin,
• collagen_sponge,
• bacterium,
• serum_protein,
• certain_bacteria,
• osmotic_stress,
• gap_junction,
• extracellular_protein,
• nuclease,
• metabolite,
• uv_radiation,
• function,
• salt,
• cell_surface,
• cell_fragment,
• amp,
• cofactor,
• endothelial_cell,
• functional_protein,
• collagenase,
• lead,
• hormone,
• blood,
• protein_kinase,
• immune_deposit,
• cell_enlargement,
• elastic_fiber,
• mixture,
• protozoa,
• inflammation,
• radiation,
• complement_activation,
• vitreous_humor,
• calcium,
• external_hair,
• adipose_tissue,
• inflammatory_cell,
• pathogen_challenge,
• antigen,
• myoglobin,
• glycoprotein,
• epithelial_layer,
• connective-tissue_matrix,
• coagulase,
• helminth,
• glucose,
• hemoglobin,
• collagen_fibre,
• staphylococcus,
• bones,
• spirochete,
• milk,
• mechanical_strain,
• intracellular_condition,
• neurotransmitter,
• ammonia,
• neutral_protease,
• intracellular_fluid,
• matrix_vesicle,
• infection,
• phosphatase,
• amniotic_fluid,
• interstitial_space,
• methanol,
• elastic_lamina,
• iga,
• seminal_plasma,
• hypoxia,
• salmonella,
• fat_tissue,
• fungi,
• sodium,
• clostridium,
• cell-wall_polysaccharide,
• wood,
• pleural_cavity,
• enveloping_membrane,
• holdfast,
• stroma,
• cytokine,
• antibody,
• cornea_stroma,
• exotoxin,
• intracellular_signal,
• amniotic_membrane,
• serine_protease,
• plasma_cu,
• mucus_material,
• bone,
• cleft,
• interstitial_fluid,
• hemolysis,
• seawater,
• proteinase,
• enzyme,
• hyperthermia,
• acetaldehyde,
• viral_infection,
• meniscus,
• glutamate,
• hemolysin,
• glycerol,
• exocrine_secretion,
• stress,
• tryptophan,
• small_metabolite,
• skin,
• extracellular_enzyme,
• protease,
• mucous_membrane,
• mucilage,
• invertase,
• virus,
• hyaluronidase,
• sinusoid,
• trypsin,
• dentin,