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.
Enlarged 2 times, this cross section of human head to show mouth and nasal passages. Relationship between the windpipe and esophagus can be easily shown. Includes key card
This model of adult upper and lower jaw shows tooth roots, spongiosa, vessels and nerves are exposed. The lower jaw is movable with the help of spring action.
Model shows both sides of an eye, enlarged 5 x. One side of the model shows the eye socket with a sagittal cutaway and the background to the eye and the electron microscopic fine structure of the retina are shown separately.
Three dimensional model of male urinary system and its blood supply is free standing, enabling study from all aspects. The kidneys, adrenal & blood vessels, a section of the pelvic bone with pubic symphysis, lower portion of the bladder and prostate
Model Human Female Asian Skull, include moderate alveolar prognathism, flat nasal region, round/square anterior nasal aperture, lack of a nasal sill, no nasal gutter, round maxillary arcade, and short nasal spine, Size: 20.5L x 12.3W X 18.7H (cm)
Head and brain 3 part, numbered with english keycard, 3 parts model of the human head which has a removable brain half with arteries, eyeball and optic nerve and the other side exposes the nose, mouth cavity, pharynx etc.
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