Model Stages Of Disc Prolapse, includes: Intervertebral disc in healthy condition, Lumbar vertebra (L1) without degenerative changes. Intervertebral disc with protrusion, Lumbar vertebra (L2) with beginning degenerative changes, Dimensions : 22 cm
Model Functional Lung Apparatus, unique and easy-to-use model features parts that replicate the actions of respiration, Easy to Assemble, includes an acrylic bell jar, Y tube, two balloons, rubber diaphragm with a knob for ease of movement, and an instruction manual
Science Animal Cell Model 4D, 6in model contains 26 detachable, hand-painted parts and a display stand, Transparent outside for seeing internal structures and super detailed parts, Also includes illustrated assembly guide, description of the anatomy, For Ages 8 plus
It Illustrate the morphological distinctions between male and female pelvic structures. Each pelvis includes the left and right innominates with pubic symphysis, 4th and 5th lumbar vertebrae with intervertebral discs, the sacrum and coccyx.
Easy to construct the three dimensional model of DNA. Emphasizing the base pair sequence and function of DNA, the sturdy, colorful bases snap together in the correct sequence, and the pairs attach to a center rod representing hydrogen bonds.