Anatomy Comp 2

What vein drains directly into the IVC on the left vs right sides differently?

Left vs right gonadal veins (left → left renal vein; right → IVC)

The ______ surrounds the crus of the penis (or crus of the clitoris in females) and compresses the corpus cavernosum, restricting venous outflow.

ischiocavernosus muscle

Varus test is used for the

LCL

The two nerves In the adductor hiatus ?

The saphrenous nerve and nerve to the vastus medialis

Great saphenous vein then the dorsal venous arch then the ____

Small saphrenous

The posterior tibial artery supplies the

Back of the leg

The susteniculum tali is on the

Calcaneus

The cuboid articulates with the

Calcaneus on the lateral side of the foot

The medial and lateral circumflex arteries come off the

Deep femoral artery

The deep fibular nerve and ____ run together

Anterior tibial artery in the lateral compartment of the leg

All of the deltoid ligaments begin on the

Tibia

“Injury to the neck of the tibula”

Common fibular verve injury

The adductor brevis muscle is just below the

Adductor longus

The adductor magnus is pretty

Deep

The rectus femoris originates from the

AIIS

The sartorius originates from

ASIS

Which nerve branch passes posterior to adductor brevis?

Posterior division of the Obturator nerve

What muscle of the medial thigh is innervated by both obturator and sciatic nerves?

Obturator and tibial n.

Which vein joins the femoral vein within the femoral triangle?

Great saphrenous vein

Which erectile tissue contains the urethra in males

Corpus spongiosum

What croveds the crust/crura of the penis (or clitoris) and helps maintain erection

Ischiocavernosus

What covers the bulb of the penis and acts of a “sphincter” of the urethra?

Bulbospongiosus muscle

the clitoris is formed by

Paired corpora cavernosa

What structure inside the labia majora is called “bulb of the vestibule” here, and what do “people say” it’s homologous to?

Bulb of vestibule; said to be homologous to male corpus spongiosum.

The plantar and dorsal interossei are innervated by

The popliteal vein splits into the

Medial malleolus is on the

Tibia

The popliteal vein drains into the

Femoral vein

Which muscles invert the foot?

Tibialis anterior + Tibialis posterior

The anterior tibial artery is from the

Popliteal artery

Which muscle surrounds the bulb of the penis or vestibular bulb?

Bulbospongiosus muscle

Which muscle surrounds the crus of the penis or crus of the clitoris?

Ischiocavernosus muscle

Which muscle surrounds the membranous urethra?

External urethral sphincter muscle

Which muscle surrounds the anorectal junction to maintain fecal continence?

Puborectalis muscle (part of the levator ani group)

Which muscle surrounds erectile tissue and compresses it to maintain erection?

Ischiocavernosus muscle

Pes anserinus

the sartorius, gracilis, and semitendinosus

The lateral ligament on the foot prevents

Inversion of the foot

The medial ligament on the foot

eversion of the foot

In addition to plantarflexing, what do the gastrocnemius and plantaris do

Help flex the knee (the soleus doesn’t do that)

____ unlocks knee

Popliteus

Superomedial border of the popliteal fossa

Semimembranosus

The fibularis longus and brevis are innervated by

Superficial fibular nerve

Both have FIB

The deep fibular nerve innervates the

Anterior compartment of the leg

Abductor digiti minimi is innervated by

Lateral plantar nerve

The fibularis longus and brevis actions

Eversion and plantar flexion (makes sense because they’re bother on the lateral side)

The spring ligament

Calcanelous to the navicular; bears a lot of body weight

The fibularis brevis attaches to the

Tuberosity of the fifth metatarsal

_____ attach to the ischiotuberosity

The medial collateral ligament prevents

Knee abduction

The lateral collateral ligament prevents

Knee adduction

______ sits between the white and red pulp.

The marginal zone

The medial meniscus is attached to the

Medial collateral ligament

Semimembranous is more

Medial

The plantaris, soleus, and poptileaus are

Deep

The tibial nerve runs through the

Popliteal fossa

The Tom, Dick and a Nervous Harry mnemonic

Tibialis posterior

Flexor digitorum longus

Tibial artery and nerve

Flexor hallicus longus

The fibularis brevis goes under the foot and

Attaches to the first metatarsal by wrapping under the foot

The superficial fibular nerve provides sensory innervation for all of the back of the foot except the

First web space

Fibularis longus has a long

Tendon compared to brevis

Fibularis brevis is behind

Fibularis longus

The pudendal nerve enters the

Lesser sciatic foramen

The prostate is inferior to the

Bladder

The perineal membrane is inferior to the

Pelvic diaphragm

The perineal membrane is between the

Ischiopubic rami

Deep (buck’s fascia) is around the

Erectile bodies

Tunica albuginea

Dense fibrous capsule around the corpora cavernosa and corpus spongiosum in the penis which surround the testis

“forces blood into the erectile tissues to maintain erection”

Ischiocavernosus

Colle’s fascia

Roof of the superficial perineal pouch

The round ligament of the uterus ends at the

Labia majora

Broad ligament of the uterus

Double layer of peritoneum supporting the uterus, uterine tubes, and ovaries

“contains external urethral sphincter”

Superficial perineal pouch

“Maintains anteverted position of the uterus”

Round ligament of the uterus

“Anchors cervix and upper vagina to sacrum; supports uterus”

Uterosacral ligament

Bulbospongiosus Function

Compresses bulb of penis or vestibular bulb; aids erection and ejaculation in males, and clitoral erection and closing of vaginal orifice in females

The levator ani is supplied by the

Inferior gluteal artery

The coccygeus muscle is supplied by the

Inferior gluteal artery

The anterior sacroiliac ligament prevents

Anterior displacement of the sacrum relative to the ilium

Sacrospinous ligament and sacrotuberous ligament prevent

Posterior rotation of the sacrum by anchoring it to the ischium

Posterior sacroiliac ligament Prevents

Anterior rotation of the sacrum to help maintain alignment of the sacroiliac joint

Which artery is shared among nearly all parts of the colon, forming a continuous arterial connection between the right, middle, and left colic arteries, and sometimes extending to the sigmoid region?

Marginal artery

The left colic artery is a branch of the

IMA

Jejunum mnemonic

Think J for just a few hoops (fewer arcades)

piriformis, superior and inferior gemelli, and quadratus femoris are all

Lateral rotators

Gluteus minimus works with gluteus medius to:

• Abduct and medially rotate the thigh,

• Stabilize the pelvis during walking (prevent pelvic drop).

The vaginal artery comes off the of

Uterine artery

The external iliac artery becomes the

Femoral artery

The pudendal nerve gives off the

Perineal nerve, dorsal nerve of the penis/clitoris, and inferior rectal nerve

The posterior labial and posterior scrotal nerves (both sensory) are from the

Perineal nerve

The saphenous nerve provides sensory info to the

Medial part of the leg

______ provides sensation to the lateral leg and dorsum of the foot and motor innervation (via its deep and superficial branches) to the dorsiflexors and evertors of the foot.

Common fibular nerve

Which structures exit above the piriformis

Superior gluteal nerve, superior gluteal artery, and superior gluteal vein

The puedendal nerve exits ___ the piriformis

Below