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Pulmonary Lobule with Surrounding Blood Vessels<br />
The model shows the terminal branch of the bronchial tree, the associated pulmonary<br />
alveoli, as well as the surrounding blood vessels and their capillary networks. On the<br />
right side of the model, the pulmonary lobule is cut in order to facilitate view of the<br />
pulmonary tissue structure. The left side of the model shows a section of connective<br />
tissue located between adjacent pulmonary lobules. To better understand the gas<br />
exchange, a single opened pulmonary alveolus with the surrounding capillary network is<br />
shown at the back of the model. A graphic presentation on the base of the model shows<br />
the structure of the air passages located in the lung up to the pulmonary alveoli.<br />
26 x 13 x 19 cm; 1.4 kg<br />
M-1008493<br />
MICROanatomy Artery and Vein<br />
The model, enlarged 14 times, shows a medium-sized muscular artery with two<br />
adjacent veins from the antebrachial area with adjoining fat tissue and muscle. The<br />
model illustrates the reciprocal anatomical relationship of artery and vein and the basic<br />
functional techniques of the venous valves (“valve function” and “muscle pump”).<br />
The left vein and the middle artery are fenestrated in the upper anterior segment,<br />
revealing the various layers of the wall structure in a cross and longitudinal section and<br />
in top view. The right vein is opened throughout in the anterior segment, revealing the<br />
orifice of a feeder vein and two venous valves, i.e. “flap valves” formed by a duplication<br />
of the tunica intima. On the back of the model, a relief of two veins illustrates the<br />
functional aspect of the venous valves. Supplied on base. 26 x 19 x 18.5 cm; 0.9 kg<br />
M-1000279<br />
A<br />
B<br />
A. CT Bronchial Tree with Larynx and Transparent Lungs<br />
This unique model was created on the basis of computer tomography data of a human<br />
male. The larynx is detachable at the level of the second tracheal cartilage and divisible<br />
in the median plane. The epiglottis is mounted flexibly. The various segmental bronchi<br />
are made of elastic material and depicted in various transparent colors so that they are<br />
easier to distinguish visually. The transparent lungs are detachable. 19 x 18 x 37 cm;<br />
1.3kg<br />
M-1000275<br />
B. CT Bronchial Tree without Lungs<br />
22 x 18 x 37 cm; .43 kg<br />
M-1000274<br />
Bestseller<br />
Human Circulatory System<br />
Half life-size schematic representation of arteries, veins, capillaries, heart, lung,<br />
liver, spleen, and kidneys. 80 x 30 x 6 cm; 13.6 kg<br />
M-1000276<br />
50 Anatomy | Heart & Lung 3bscientific.com
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