0071509674.pdf

HEAD AND NECK

Somatic Portions

• The scalp layer of loose connective tissuebetween the epicranial
  aponeurosis and the periosteum forms the subaponeurotic or “danger”
  space. Emissary veins connect with the dural sinuses with potential for
  vascular spread of infection through the calvaria.


• Cranial fracturespreferentially pass through cranial foramina injuring
  the contained nerves.

High-Yield Facts 61

Kidneys Aorticorenal plexus, T12 Subcostal and pubic

Renal pelvis least splanchnic regions

Upper ureters nerve, white ramus of

T12, subcostal nerve

Descending colon Aortic plexus, lumbar L1–L2 Lumbar and inguinal

Sigmoid colon splanchnic nerves, regions, anterior

Mid-ureters white rami of L1–L2, mons and labia,

Urinary bladder spinal nerves L1–L2 anterior scrotum,

Oviducts anterior thigh

Uterine body

None No white rami L3–S1 No visceral pain refers

between L3–S1 to dermatomes L3–S1

Cervix Pelvic plexus, pelvic S2–S4 Perineum, thigh,

Pelvic ureters splanchnic nerves, lateral leg and foot

Epididymis spinal nerves S2–S4

Vas deferens

Seminal vesicles

Prostate gland

Rectum

Proximal anal canal

PELVIC VISCERAL AFFERENT INNERVATION

Organ Afferent Pathway Level Referral areas

Olfactory Olfactory nerves Anosmia

Foramen cecum An emissary vein

PRINCIPAL FORAMINA OF THE

ANTERIOR CRANIAL FOSSA

Foramen Contents Result of Injury