3B Scientific - page 70

70
9985-1005052
9985-1000252
9985-1000253
9985-1000251
9985-1005538
9985-1000250
3 B S c i e n t i f i c ® M e d i c a l
Anatomy
Ear s
Ear, 3 times life size, 4 part
Representation of outer, middle
and inner ear. Removable eardrum
with hammer, anvil and stirrup as
well as 2-part labyrinth with coch-
lea and auditory /balance nerve.
On base.
34x16x19 cm; 1.25 kg
L/E/D/S/F/P/I/J www.
9985-1000250
Ear, 3 times life size, 6 part
Same as 9985-1000250, additional-
ly with two removable bone sec-
tions to close the middle and inner
ear. On base.
34x16x19 cm; 1.55 kg
L/E/D/S/F/P/I/J www.
9985-1000251
Desktop Ear Model,
1.5 times enlarged
Representation of the outer,
middle, and inner ear. On base.
14x10x14.7 cm; 0.35 kg
L/E/D/S/F/P/I/J www.
9985-1000252
Functional Ear Model
This model shows how the tympanic membrane, ossicles, the complex
internal ear with the cochlea and the oscillations of the basilar hearing
membrane operate /interact. The enclosed mirror enables operation of the
model for the studying of various ear functions from different angles at the
same time. One single model may be studied by several students simulta-
neously in an action oriented learning situation. Includes a four colour
explanatory chart.
30x20x15 cm; 1.0 kg
E
9985-1005052
Lifeize Auditory Ossicles
The human auditory ossicles, both
individually and connected in natu-
ral position, embedded in transpar-
ent plastic.
9985-1000253
Ear, 5 times full size, 8-part
Representation of outer, middle
and inner ear. Removable are:
• Outer ear
• Petrosal bone
• Mastoid process
• Tympanic membrane and audi­
tory ossicles
• Labyrinth
• Cochlea and vestibulocochlear
nerve (3-part)
The transparent semicircular canals
are filled with fluid, each with one
bubble to demonstrate their bal-
ance function. On wooden base. 
43x25.5x20 cm; 4.1 kg
E
9985-1005538
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