Anatomy Interval 1: Thoracic/abdominal Wall

Front 1

Back 1

Suprasternal (Jugular) Notch

Front 2

Back 2

sternum body

Front 3

Back 3

sternal angle (Angle of Louis)

Hint 3

anterior to start and end of aortic arch and bifurcation of the trachea

Front 4

Back 4

manubrium

Hint 4

attachment point for clavicles and first rib

Front 5

Back 5

xiphoid process

Front 6

Back 6

clavicle

Front 7

Back 7

scapula

Front 8

Back 8

1. acromium process
2. coracoid process

Hint 8

1. part of scapula where clavicle attaches
2. where pectoralis minor inserts

Front 9

Back 9

green: true rib (1-7)
red: false rib (8-10)
black: floating rib (11,12)

Front 10

Back 10

1. head
2. neck
3. articular facet for transverse process of vertebra
4. tubercle
5. angle
6. costal groove

Front 11

Back 11

1. costal margin
2. costal cartilage
3. intercostal space
4. costo-chondral junction

Front 12

Thorax Muscles

Back 12

1. pectoralis major
2. pectoralis minor
3. deltoid muscle
4. external intercostals
5. serratus anterior
6. latissimus dorsi

Hint 12

pectoralis minor inserts at coracoid process of scapula

Front 13

Back 13

1. long thoracic nerve
2. pectoral branches of thoracoacromial artery
3. axillary artery and vein

Front 14

Back 14

1. lateral pectoral nerve
2. medial pectoral nerve

Front 15

Back 15

1. Iliac crest
2. anterior superior iliac spine
3. pubic tubercle
4. pubic crest
5. pubic symphysis

Front 16

Back 16

1. external oblique
2. rectus sheath
3. linea alba
4. superficial fascia: Camper's (fatty) and Scarpa's (membranous)
5. aponeurosis
6. inguinal ligament
7. superficial inguinal ring

Front 17

Back 17

1. internal oblique
2. transversus abdominus
3. rectus abdominus
4. arcuate line
5. conjoint tendon
6. transversalis fascia
7. extraperitoneal fascia
8. inferior epigastric artery / vein

Front 18

Back 18

1. spermatic cord
2. cremaster muscle and internal fascia
3. external spermatic fascia
4. ductus deferens
5. epididymis
6. tunica vaginalis

Hint 18

Note: ilioinguinal nerve (L1) courses through canal with along side spermatic cord

Front 19

direct inguinal hernia

Back 19

viscera (bowel) passes medial to inferior epigastric vessels, pushing through peritoneum and transversalis fascia. May pass through superficial inguinal ring.

Front 20

indirect inguinal hernia

Back 20

bowel passes lateral to inferior epigastric vessels to enter deep inguinal ring. May pass completely through inguinal canal and into scrotum

Front 21

thoracic wall layers (superficial to deep)

Back 21

skin, superficial fascia, external intercostal membrane/muscle, internal intercostal muscle, innermost intercostal muscle, parietal pleura

Front 22

Abdominal wall layers (superficial to deep)

Back 22

skin, superficial fatty layer of subcutaneous tissue (Camper fascia), deep membranous layer of subcutaneous tissue (Scarpa fascia), superficial fascia, external oblique, intermediate fascia, internal oblique, deep fascia, transversus abdominus, transversalis fascia, extraperitoneal fat, parietal peritoneum

Front 23

Spermatic cord layers (superficial to deep)

Back 23

external spermatic fascia, cremaster muscle, cremasteric fascia, internal spermatic fascia, ductus deferens, testicular vessels

Front 24

direct inguinal hernia

Back 24

viscera (bowel) passes medial to inferior epigastric vessels, pushing through peritoneum and transversalis fascia. May pass through superficial inguinal ring.

Front 25

indirect inguinal hernia

Back 25

bowel passes lateral to inferior epigastric vessels to enter deep inguinal ring. May pass completely through inguinal canal and into scrotum

Front 26

thoracic wall layers (superficial to deep)

Back 26

skin, superficial fascia, external intercostal membrane/muscle, internal intercostal muscle, innermost intercostal muscle, parietal pleura

Front 27

Abdominal wall layers (superficial to deep)

Back 27

skin, superficial fatty layer of subcutaneous tissue (Camper fascia), deep membranous layer of subcutaneous tissue (Scarpa fascia), superficial fascia, external oblique, intermediate fascia, internal oblique, deep fascia, transversus abdominus, transversalis fascia, extraperitoneal fat, parietal peritoneum

Front 28

Spermatic cord layers (superficial to deep)

Back 28

external spermatic fascia, cremaster muscle, cremasteric fascia, internal spermatic fascia, ductus deferens, testicular vessels