Related by context. Frequent words. (Click for all words.) 53 chest cavity 52 suction 50 catheter inserted 50 tubes 49 cannula 48 forceps 47 vacuum hose 47 tube 47 electromagnet 47 metal rod 46 orifices 45 abdominal cavity 45 catheter 45 catheters 45 tiny incisions 44 turkey baster 44 suctioning 44 plunger 44 lancet 44 suctioned 44 rectum 44 laparoscope 44 incision 44 acupuncture needles 44 bronchial tubes 43 aspirated 43 nozzle 43 pipette 43 orifice 43 awl 43 suturing 42 penis 42 anus 42 intravenous tubes 42 nostrils 42 compressed air 42 nostril 42 breathing tube 42 combustion chambers 42 electromagnets 42 contraption 42 screwdriver 42 eye sockets 42 hose 42 jaw muscles 42 needle nose pliers 42 fishhook 42 hoses 41 sinus cavity 41 nasal passage 41 putty knife 41 manikin 41 incisions 41 scalpels 41 diaphragm 41 tracheotomy tube 41 feeding tubes 41 underwater robot 41 ureter 41 garden hose 41 vagina 41 laparoscopically 41 robot submarines 41 cauterize 41 exoskeletons 41 washtub 41 colonoscope 40 injector 40 sutures 40 vacuum cleaner 40 urethra 40 umbilical 40 pincers 40 coils 40 capping stack 40 abdomen 40 ear canal 40 vacuums 40 surgical instruments 40 retractor 40 knotted rope 40 vacuum tube 40 jaws 40 nimble fingers 40 titanium rods 40 endoscope 39 valve 39 abdominal wall 39 electrical socket 39 hydraulic jacks 39 hypodermic 39 handpieces 39 propellers 39 anally 39 electrodes 39 gullet 39 suction cup 39 plasma cutter 39 surgical incision 39 nipple 39 damaged riser