Perineum

Front 1

Boundaries of anatomical perineum

Back 1

Anterior: Pubic symphysis
Posterior: Coccyx
Lateral: Ischiopubic and Ischial tuberosity

Front 2

Imaginary line to split anal and urogenital triangles goes where?

Back 2

Between ischial tuberosities

Front 3

What is ischioanal fossa and its boundaries?

Back 3

Fat filled space

Lateral wall: Obturator internus
Medial wall and roof: Levator ani (pelvic diaphragm)

Front 4

Pudendal canal contents and location?

Back 4

Between obturator interns and ischial tuberosity; pudendal nerve and internal pudendal artery and vein

Front 5

Boundaries of Anterior Recess of ischioanal fossa

Back 5

Laterally: Obturator internus
Roof: Pelvic diaphragm
Floor: Urogenital diaphragm

Front 6

Anocutaneous (white) line

Back 6

The transition from anal epithelium to skin; changes in arterial supply, venous drainage, lymphatic drainage, innervation

Front 7

Urogenital triangle boundaries

Back 7

Posteriorly: Imaginary line between ischial tuberosities
Laterally: Isoclinic rami
Anteriorly: Pubic symphysis

Front 8

Urogenital diaphragm layers

Back 8

Superior fascia
Deep transverse perineal muscle
Inferior layer

Front 9

Inferior layer of UG diaphragm also known as?

Back 9

Perineal membrane; very thick

Front 10

Contents of deep perineal pouch

Back 10

Almost entirely filled with deep transverse perineal muscle; also membranous urethra; sphincter urethrae, branches of internal pudendal a/v; pudendal n; bulbourethral glands

Front 11

Location of deep perineal pouch

Back 11

Region between two fascial layers of UG diaphragm

Front 12

Boundaries of superficial perineal pouch

Back 12

Superiorly: Perineal membrane
Inferiorly: Layer of superficial membranous fascia

Front 13

Contents of superficial perineal pouch

Back 13

Male/female crus of corpora cavernosa and their muscular coverings; bulb of penis; vestibular bulbs and their muscular coverings; neuromuscular bundle

Front 14

Scarpa's fascia covers?

Back 14

Infraumbilical region

Front 15

Dartos fascia covers?

Back 15

Scrotum and penis

Front 16

Colle's fascia covers?

Back 16

Perineum

Front 17

Colle's fascia fuses to?

Back 17

Deep fascia along entire posterior border of perineal membrane, the perineal body at midline, along ischiopubic rami, and to fascia lata

Front 18

Superficial fascia in ischioanal fossa emerges from?

Back 18

Lines of fusion and follows contours of superior surface of UG diaphragm, levator any, and obturator internus

Front 19

Rupture of spongy urethra

Back 19

Urine enters superficial pouch between Bucks fascia and Colle's fascia, descend into fascial plane beneath Dartos fascia and pass up onto anterior abdominal wall beneath Scarpa's fascia

Front 20

Contents of Superficial Perineal Space

Back 20

Corpora spongiosum, crura of corpora cavernosa, testis, terminal branches of internal pudendal artery and pudendal nerve

Front 21

Scrotum contents

Back 21

Skin
Dartos fascia
External spermatic fascia
Internal spermatic fascia
Tunica vaginalis
Tunica albuginea

Front 22

Why does skin of scrotum appear wrinkled?

Back 22

Superficial dartos muscle (smooth muscle)

Front 23

Tunica albuginea

Back 23

Dense fibrous layer deep to visceral tunica vaginalis that supports testes; sends septa into testes that divides it into lobules

Front 24

Mediastinum testis

Back 24

Convergence of septa of testes

Front 25

Lobules of testes contain?

Back 25

Seminiferous tubules

Front 26

Tubuli recti

Back 26

Connect seminiferous tubules to network of spaces inside mediastinum testes (rete testes)

Front 27

Rete testes

Back 27

Spaces in mediastinum testes

Front 28

Efferent ductules

Back 28

Connect rete testes to head of epididymis

Front 29

Epididymus function?

Back 29

Store sperm

Front 30

Ductus deferens

Back 30

Thick walled tube contained in spermatic cord that connects to tail of epididymis

Front 31

Scrotum supply and lymphatic drainage

Back 31

Supplied by anterior and posterior scrotal arteries that are terminal branches of the perineal artery via the internal pudendal artery; first drains to superficial inguinal nodes

Front 32

Penile root formed from?

Back 32

Two crus and Bulb of penis

Front 33

Crura of penis attach where?

Back 33

Everted margins of the ischiopubic rami

Front 34

Bulb of penis attaches where?

Back 34

Perineal membrane

Front 35

Muscle that covers bulb of penis and innervated by?

Back 35

Bulbospongiosus muscle; motor and sensory branches of perineal nerve (pudendal)

Front 36

Crura covered by what muscle and innervated by?

Back 36

Ischiocavernosus muscle; motor and sensory branches of perineal nerve (pudendal)

Front 37

Deep investing fascia of penis

Back 37

Buck's fascia

Front 38

Deep artery of penis supplies?

Back 38

Corpus cavernosa

Front 39

Dorsal artery of penis

Back 39

Supplies dorsum of penis

Front 40

Superficial dorsal penile vein

Back 40

Superficial to Buck's fascia and drains skin of penis

Front 41

Deep dorsal penile vein drains

Back 41

Contained deep to Buck's fascia and drains corpus cavernosa and glans penis

Front 42

Lymph from penile skin drains?

Back 42

Superficial nodes

Front 43

Lymph from cavernous tissue and urethra drain?

Back 43

Internal iliac nodes

Front 44

What is attached to perineal body?

Back 44

Superficial and deep perineal muscles; levator ani; bulbospongosius muscle; external anal sphincter

Front 45

Muscles in female and male urogenital triangles

Back 45

Ischiocavernosus and bulbospongiosus

Front 46

Corpus spongiosum in females?

Back 46

Glans clitoris

Front 47

Vestibule boundaries

Back 47

Lateral and Medial: labia minor
Anterior: Prepuce
Posterior: Frenululm of labia minor or fourchette

Front 48

Path of internal pudendal artery and pudendal nerve

Back 48

Leave pelvis via greater sciatic foramen to briefly enter gluteal region but immediately enter the perineum through the lesser sciatic foramen