- 1. Erectile
- [physiological response of penile erectile tissue engorging with blood due to male sexual arousal. ( CSP )] (UMLS (NCI) C0030847) =Organ or Tissue Function =Genital System, Male, Penis;
Sex Behavior | - 3. Erector Spinae
- (UMLS (NCI) C0224301) =Body Part, Organ, or Organ Component
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