Download Other examples of complex waves

Anatomical terms

Planes of section:

Frontal/Coronal: Front and back

Sagittal: Left and right

Median/Midsagittal: Through the center

Axial/Horizontal/Transverse: Upper and lower
http://www.spineuniverse.com/displayarticle.php/article1023.html
Anatomical directions

Anterior/Ventral: Front

Posterior/Dorsal: Back

Inferior: Bottom

Superior: Top

Lateral: Away from median plane

Medial: Toward the median plane
Anatomy of the auditory system

Contained in the
temporal bone

Located on the sides
of the skull
Parts of the temporal bone

Squamous

Mastoid

Tympanic

Petrous
Medial view of right ear.
Lateral view of right ear Note: IAM is internal auditory
meatus, which is different from the
external auditory meatus.
Parts of the auditory system

External ear

Middle ear

Inner ear
Anatomy of the ear

http://www.iurc.montp.inserm.fr/cric51/audition/english/ear/fear.htm

http://www.wiley.com/legacy/college/bio/tortora366927/resources/st
udent/anatomydrill/ch16.html
External ear

Consists of
 Auricle
or Pinna: Mostly
cartilage
 External
auditory
canal/meatus
http://www.ghorayeb.com
/AnatomyAuricle.html
Parts of the Pinna

Concha: Bowl or deep central portion

Helix: Prominent ridge that begins superior to the opening of the
canal and runs around the pinna

Antihelix: Interior ridge parallel to the helix

Triangular fossa: Triangular depression formed anteriorly and
superiorly by the helix

Lobule: Most inferior part of the pinna

Tragus: Small flap at the anterior side of the concha
External auditory meatus

Length is approximately 28 mm

Diameter is approximately 7 mm

Not perfectly straight

Ends in the tympanic membrane

Outer half of the canal formed by cartilage

Skin secretes cerumen

Medial part formed by bone from the squamous and tympanic
portions of the temporal bone