| gptkbp:instanceOf | gptkb:Male_gamete gptkb:Cell
 
 | 
                        
                            
                                | gptkbp:abnormalitiesCanCause | Infertility 
 | 
                        
                            
                                | gptkbp:acrosomeFunction | Penetrate egg 
 | 
                        
                            
                                | gptkbp:affects | Temperature Genetic factors
 Lifestyle factors
 Environmental toxins
 
 | 
                        
                            
                                | gptkbp:canBe | Cryopreserved Reproductive technology
 
 | 
                        
                            
                                | gptkbp:canBeBanked | Yes 
 | 
                        
                            
                                | gptkbp:canBeDonated | Yes 
 | 
                        
                            
                                | gptkbp:carries | gptkb:X_chromosome gptkb:Y_chromosome
 Sex chromosomes
 
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                                | gptkbp:chromosomeCount | 23 
 | 
                        
                            
                                | gptkbp:combines | gptkb:Egg_cell 
 | 
                        
                            
                                | gptkbp:contains | gptkb:gene 
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                                | gptkbp:countMeasuredBy | Semen analysis 
 | 
                        
                            
                                | gptkbp:detects | Sex of offspring 
 | 
                        
                            
                                | gptkbp:discoveredBy | gptkb:Antonie_van_Leeuwenhoek 
 | 
                        
                            
                                | gptkbp:firstDescribed | 1677 
 | 
                        
                            
                                | gptkbp:foundIn | gptkb:Humans Animals
 
 | 
                        
                            
                                | gptkbp:function | Fertilization 
 | 
                        
                            
                                | gptkbp:hasBiologicalActivity | Acrosome 
 | 
                        
                            
                                | gptkbp:hasPart | gptkb:Head Tail
 Midpiece
 
 | 
                        
                            
                                | gptkbp:lifespanInFemaleReproductiveTract | Up to 5 days 
 | 
                        
                            
                                | gptkbp:morphologyAssessedBy | Semen analysis 
 | 
                        
                            
                                | gptkbp:motility | Motile 
 | 
                        
                            
                                | gptkbp:motilityAssessedBy | Semen analysis 
 | 
                        
                            
                                | gptkbp:movement | Flagellum 
 | 
                        
                            
                                | gptkbp:powerSource | Fructose 
 | 
                        
                            
                                | gptkbp:presentIn | Semen 
 | 
                        
                            
                                | gptkbp:producedBy | gptkb:Testes Germ cells
 Sertoli cells (support)
 Spermatogenesis
 
 | 
                        
                            
                                | gptkbp:releaseDate | Ejaculation 
 | 
                        
                            
                                | gptkbp:size | About 50 micrometers 
 | 
                        
                            
                                | gptkbp:species | Yes 
 | 
                        
                            
                                | gptkbp:storage | Epididymis 
 | 
                        
                            
                                | gptkbp:studiedIn | Andrology 
 | 
                        
                            
                                | gptkbp:usedIn | gptkb:In_vitro_fertilization Artificial insemination
 
 | 
                        
                            
                                | gptkbp:bfsParent | gptkb:Female_reproductive_system gptkb:Oomph!
 
 | 
                        
                            
                                | gptkbp:bfsLayer | 7 
 | 
                        
                            
                                | https://www.w3.org/2000/01/rdf-schema#label | Sperm 
 |