4. Perineum and Deep Perineum of FEMALE Flashcards
Identify 1 & 2
- Compressor urethrae muscle
- Sphincter urethrovaginalis muscle
What does The urethral sphincter include?
They include…
- Compressor urethrae muscle
- Sphincter urethrovaginalis muscle
Identify 1 & 2. Innervation?
- Compressor urethrae muscle
- Sphincter urethrovaginalis muscle
- > These muscles are innervated primarily by the perineal branch of the pudendal nerve (S2-S4).
Identify 3
- Urethra
Identify 4
- Bulb of vestibule
Identify 5
- Vagina
Posterior to the bulb of the vestibule lies ___ (which structure???), which secretes mucus during sexual arousal that lubricates the vaginal opening.
the greater vestibular (Bartholin’s) gland
Identify 6
- Greater vestibular (Bartholin’s) gland
Identify 7
- Perineal membrane
Identify 1 → 4
- Sphincter urethrae muscle (female)
- Clitoris
- Crus of clitoris
- Deep transverse perineal muscle
Identify 1. O & I
Origin: Sphincter urethrae muscle arises from the inferior pubic ramus.
Insertion: Attaches to a median raphe and the perineal body.
Identify 1. Action
Action: The muscles on both sides act together to constrict the urethra.
Identify 1. Innervation
Innervation: Perineal branch of the pudendal nerve (S2-S4).
In women, Sphincter urethrae muscle blends with ___ (2 MUSCLES)
- the compressor urethrae muscle
- the urethrovaginal sphincter muscles.