1. HEAD/NECK I: Introduction—The Skull
Head function brainstorm
Sensory/Motor Targets
Overview: Head/Neck I-IV
The two-oval skull
Major features of the skull
The base of the skull
The developmental view
The holes-out view
Human Anatomy, Frolich, Head/Neck I: Introduction—the Skull

2. What all does the head do? [brainstorm]
Senses
Food
Breathe
Secrete
Brain
Other
Human Anatomy, Frolich, Head/Neck I: Introduction—the Skull

3. Nerve “targets” in head
SENSORY
Special General
MOTOR
Muscles Glands
Human Anatomy, Frolich, Head/Neck I: Introduction—the Skull

4. Overview Head/Neck I-IV
Head I: Skull—a framework to hang on
Overall organization of skull
Base of the skull—the hard part
Developmental view
Cranial nerves out (to “targets”)
Head II: Throat targets
Head III: Special Sense targets
Head IV: Cranial nerves in depth
Human Anatomy, Frolich, Head/Neck I: Introduction—the Skull

5. Overall skull organization
Neurocranium
Base of skull
Middle ear
Jaw
Throat
Cerebral Hemisphere
Cerebellum
Human Anatomy, Frolich, Head/Neck I: Introduction—the Skull

6. Major features of the skull
Mastoid process
External auditory/
acoustic meatus
(ear opening)
Ear drum
Hyoid bone
Epiglottis
Thryroid cartilage
Cricoid cartilage
Tracheal rings
Human Anatomy, Frolich, Head/Neck I: Introduction—the Skull

7. Human Anatomy, Frolich, Head/Neck I: Introduction—the Skull
M&M, Fig. 7.3
Human Anatomy, Frolich, Head/Neck I: Introduction—the Skull

8. Major features of the skull
Zygomatic arch
Ethmoid
Orbit
Nasal passage
External nasal aperture
Internal nasal aperture
Human Anatomy, Frolich, Head/Neck I: Introduction—the Skull

9. Human Anatomy, Frolich, Head/Neck I: Introduction—the Skull
M&M, Fig. 7.2
Human Anatomy, Frolich, Head/Neck I: Introduction—the Skull

10. Base of the skull—a developmental view
Dermal bones in neurocranium
Chondral bone
at base of skull
Olfactory capsule
(part of ethmoid)
Optic capsule
(part of sphenoid)
Otic capsule
(part of temporal
Occipital bone
(from somites
like C-verts)
Human Anatomy, Frolich, Head/Neck I: Introduction—the Skull

11. Base of the skull—cranial nerves out
Ethmoid (olfactory)
I. Olfactory
Sphenoid (optic)
II. Optic
III. Oculomotor
IV. Trochlear
VI. Abducens
Temporal (otic)
VIII. Acoustic/Auditory/
Vestibulocochlear
Face/Jaws
V. Trigeminal
VII. Facial
Throat (rest of body)
IX Glossopharyngeal
X. Vagus
XI. Spinal Accessory
XII. Hypoglosal
Human Anatomy, Frolich, Head/Neck I: Introduction—the Skull

12. Human Anatomy, Frolich, Head/Neck I: Introduction—the Skull

13. Human Anatomy, Frolich, Head/Neck I: Introduction—the Skull
What’s ahead?
Throat (pharynx) targets: Head/Neck II
Special Sensory targets: Head/Neck III
Back to cranial nerves: Head/Neck IV
Human Anatomy, Frolich, Head/Neck I: Introduction—the Skull