Anatomy final: Chapter 8 special senses

Eyelids

• meet at lateral and medial canthus

• space between eyelids and palpebral fissure

• sebaceous = tarsal and sweat = cillary

Conjunctiva

• delicate Mucous membrane that lines inside of eyelids

• secretes Mucous for lubrication

• Pink eye

Lacrimal apparatus

• Lacrimal gland

• Lacrimal sac

• Lacrimal canacanuli

• Nasolacrimal duct

Fibrous

• sclera

• cornea

Vascular

• choroid

• cillary body

• cillary muscles

• cillary zonule

• iris

• pupil

• lens

Sensory

• retina

• rods

• cones

• optic disc

• optic nerve

• fovea centrallis

Scalera

• white of eye

• protect, mantain shape, attachment points for muscles

Cornea

• transparent

• a lot of nerve endings

• heals quick if scratched

• avasculaur no blood vessels

Vascular

• has most blood vessels

External ear

• auricle

• external auditory meatus

• cerminous gland

• tempanic membrane

Middle ear

• auditory ossicles

  • malleus

  • incus

  • stapes

    • oval and round window

    • auditory tube

inner ear

• cochlea

• vestibule

• semicircular canals

• nerves

• fluids

Static equilibrium

Mantains body and head when not moving

Dynamic

Mantains body or head in motion