Erectile Rigidity: Meaning, Causes, and Sexual Function
Erectile rigidity is the degree of firmness reached during an erection and depends on blood flow, nerve signals, erectile tissue, and blood retention.
Nocturnal Erection: Meaning, Causes, and Sexual Health
A nocturnal erection is an automatic erection during sleep, commonly associated with REM sleep and normal penile nerve and blood-flow activity.
Pudendal Nerve: Function, Pain, and Sexual Sensation
The pudendal nerve carries genital, perineal, and anal sensation while helping control pelvic-floor muscles and urinary and bowel sphincters.
Corpus Spongiosum: Anatomy, Function, and Sexual Role
The corpus spongiosum is erectile tissue surrounding the penile urethra that forms the glans and remains flexible during erection and ejaculation.
Ejaculatory Duct: Anatomy, Function, and Obstruction
The ejaculatory ducts are paired tubes that carry sperm and seminal-vesicle fluid through the prostate into the urethra during ejaculation.
Corpus Cavernosum: Anatomy, Erection, and Sexual Function
The corpus cavernosum is erectile tissue in the penis and clitoris that fills with blood during arousal, producing enlargement and firmness.
Pelvic Nerve: Function, Sexual Response, Pain, and Injury
Pelvic nerves carry sensory, motor, and automatic signals that support bladder, bowel, pelvic-floor, genital, and sexual function.
Pelvic Floor: Anatomy, Function, Problems, and Exercises
The pelvic floor is a group of muscles and tissues supporting pelvic organs while helping control urination, bowel movements, posture, and sexual function.
Voice Masculinization: Meaning, Methods, and Vocal Goals
Voice masculinization develops vocal qualities that feel or sound more masculine through testosterone-related changes, training, or professional support.
Facial Feminization Surgery: Meaning and Procedures
Facial feminization surgery is a group of individualized procedures that reshape selected facial or neck features to appear or feel more feminine.