The Senses - The Senses Neuronal Pathways o Axons pass...

Info iconThis preview shows pages 1–2. Sign up to view the full content.

View Full Document Right Arrow Icon
The Senses Neuronal Pathways o Axons pass through the optic nerves to the optic chiasma, where some cross. o Optic tracts from the chiasma lead to the thalamus. o Optic radiations extend from the thalamus to the visual cortex in the occipital lobe. Hearing and Balance The Ear and Its Functions o The external ear consists of the auricle and the external auditory meatus. o The middle ear connects the external and inner ear. o The tympanic membrane (eardrum) is stretched across the external auditory meatus. o The malleus, incus, and stapes connect the tympanic membrane to the oval window of the inner ear. o The auditory, or eustachian, tube connects the middle ear to the pharynx and equalizes pressure. The middle ear is also connected to the mastoid air cells. o The inner ear has three parts: the semicircular canals, the vestibule, and the cochlea. Hearing o The cochlea is a canal shaped like a snail's shell. o
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Image of page 2
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 12/04/2011 for the course ANTHRO 2000 taught by Professor Monicaoyola during the Fall '10 term at Broward College.

Page1 / 2

The Senses - The Senses Neuronal Pathways o Axons pass...

This preview shows document pages 1 - 2. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online