CROSS SECTION Flashcards

1
Q

found in the cutaneous layer?

A

the skin

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2
Q

the bones?

A

tibia

fibula

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3
Q

superficial fascia?

A
great saphenous vein
small saphenous vein
saphenous nerve
medial sural cutaneous n/sural nerve
sural communicating n
lateral cutaneous n of the calf
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4
Q

deep fascia?

A

anterior crural inter muscular septum
posterior crural inter muscular septum
deep transverse intermuscular septum

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5
Q

what is found in the cross section of the leg?

A
cutaneous layer
bones
superficial fascia
deep fascia
interosseous membrane
anterior compartment
lateral compartment 
posterior compartment
-deep
-superficial
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6
Q

the medial bone, roughly triangular at this level on cross section

A

tibia

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7
Q

the lateral bone

A

fibula

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8
Q

name this structure

at the medial side, near the medial border of the tibia

A

great saphenous v

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9
Q

name this structure

main branch at the medial side, near the great saphenous vein

small branches along the medial 1/2 of the leg

A

saphenous nerve

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10
Q

name this structure

at the posterior aspect and usually just lateral to the midline

A

small saphenous vein

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11
Q

name this structure

at the posterior aspect, near the small saphenous vein

A

medial sural cutaneous nerve or sural nerve

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12
Q

name this structure

at the lateral aspect

often only small branches at this level as the nerve exits the deep fascia more proximally

A

lateral cutaneous nerve of the calf

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13
Q

at the posterior lateral aspect

it passes in an inferomedial direction toward the sural nerve

A

sural communicating nerve

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14
Q

name this fascia:

thicker anteriorly because some muscles take partial origin from the fascia

A

deep fascia/fascia cruris

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15
Q

name this structure of the deep fascia

  • an extension of the fascia cruris from its anterolateral aspect which passes to
    the anterior border of the fibular shaft (extends the length of the fibula)
  • separates the anterior crural compartment from the lateral crural compartment
A

Anterior Crural Intermuscular Septum / Anterior Fascial Septum of the Leg

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16
Q

name this structure of the deep fascia

  • an extension of the fascia cruris from its lateral aspect which passes to the posterior border of the fibular shaft (extends the length of the fibula)
  • separates the lateral crural compartment from the posterior crural compartment
A

Posterior Crural Intermuscular Septum / Posterior Fascial Septum of the Leg

17
Q

name this structure of the deep fascia

  • an extension of the fascia cruris from posteromedial to posterolateral near the
    posterior crural intermuscular septum; deep to soleus muscle
  • attaches to the medial tibial border, the tibial soleal line, the crista medialis, the
    posterior border of the fibular shaft, and the distal posterior tibiofibular ligament
  • separates the superficial posterior crural compartment from the deep posterior crural compartment
  • usually covers the posterior surface of the tibial nerve and posterior tibial artery
A

Deep Transverse Crural Intermuscular Septum /

Deep Transverse Fascial Septum of the Leg

18
Q

name this structure of the deep fascia

  • a sheet of fibrous tissue connecting the tibia and fibula at their interosseous borders
  • fibers pass from superior medial to inferior lateral which allows the fibula to
    glide slightly proximal with respect to the tibia
  • a superior opening pierces the membrane at the level of the neck of the fibula;
    allows passage of the anterior tibial artery
  • an inferior opening pierces the membrane near the tibiofibular syndesmosis;
    allows passage of the perforating fibular artery
A

Interosseous Membrane