3B Scientific - Biology Catalog

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9982-1001257 9982-1001256 Reproduction and Development Embryonic Development in 12 stages The model represents the development of the human germ cells from fertilisation until the end of the 2nd month of pregnancy in 12 stages. Each stage can be removed from the common stand as an individual part and can be remove used for teaching and tests for the embryological specialist field. • Ovum at time of fertilisation (conception) with male gamete (sperm) • Zygote at 2-cell stage, approx. 30 hours after fertilisation • Zygote at 4-cell stage, after around 40-50 hours • Zygote at 8-cell stage, after around 55 hours • Morula • Blastocyst after around 4, 5 and 8-9 days • Germ cells at approx. 11th day and approx. 20th day • Embryo at around the end of the 1st and 2nd month of pregnancy 65x6x34.5 cm; 1.55 kg L/E/D/S/F/P/I/J/R/C 9982-1001257 Embryonic Development, 12 stages • Ovule shortly after fertilization • Two cell stage • Four cell stage • Seven cell stage • Morula stage • Blastocyst with trophoblast and embryoblast • Blastocyst with early formation of embryo process • Blastocyst with start of implantation • Embryo (approx. 12th day) • Embryo (approx. 20th day) • Embryo (approx. 28th day) • Embryo (approx. 2nd month) The first 8 models are enlarged approx. 4,000 times, the other 4 models are enlarged approx. 4-5 times. The first 8 stages can be removed from the baseboard for closer study. Delivered in storage carton. 12x59x41 cm; 3.35 kg L/D/E/F/S 9982-1001256 Anatomical Model Human 9982-1000320 Stages of Fertilisation and Development of the Embryo, 2 times magnified The model illustrates schematically how the ovum matures, how ovulation and fertilisation occur and how the fertilised ovum develops to the stage where it embeds itself in the uterine wall to begin the growth into an embryo. The various stages are shown in larger-thanlife model form in ovary, fallopian tube. An even more enlarged illustration of each is also printed on the base. Supplied on a base. 35x21x20 cm, 1.2 kg L/D/E/S/P/I/J www. 9982-1000320 9982-1001259 Labour Stages Model Same as 9982-1001258, but reduced in size to 50%. Supplied on baseboard. 40x31x13 cm; 1.4 kg 9982-1001259 Embryo Development, 12 stages With the common frog as an example (Rana temporaria), the different stages of the embryo development are shown 30 times magnified. 9982-1002501 9982-1002501 46 3B Scientific® Biology
New Anthropological Skulls from 3B Scientific These models are finest castings produced from scientifically made copies of specimens featured in the collection at the Institute of Anthropology and Human Genetics for Biologists at the Johann-Wolfgang-Goethe University, Frankfurt/Main, Germany. This means that all the details are reproduced absolutely accurately. The unique replicas are enhanced by being displayed on a pedestal that contains a relief map* of the geographical area where the specimen was found. Anthropological Skull – Sinanthropus This skull is an accurate casting of a Sinanthropus skull reconstructed by Weinert and modelled from drawings by Black and Weidenreich after all the original bone specimens had been lost. Sinanthropus belongs to the genus Homo erectus pekinensis (Sinanthropus pekinensis) and can be seen as a typical example of early man. Discovered at: Zhoukoudian 40 km south west of Peking; Discovery: 1929-1936; Age: 400,000 years. 21x14.5x21.5 cm; 0.9 kg & L/D/E/F/P/S/I/J 9982-1001293 Anthropological Skull – La Chapelle-aux-Saints Cast from a reconstruction of the La Chapelle-aux-Saints skull, the model skull is an accurate copy of one belonging to a 50-55 year old male Neanderthal from ancient Europe of the species des Homo (sapiens) neanderthalensis. Early man. Discovered at: southern France Discovery: 1908; Age: Approximately 35,000 to 45,000 years. 22x16x22.5 cm; 0.9 kg & L/D/E/F/P/S/I/J 9982-1001294 Phylogenetics Anthropological Skull – Crô-Magnon This wonderful casting is a reconstruction of an early hominid called Crô- Magnon man. The age of the original is dated to be 20,000 to 30,000 years old. The skull itself belonged to an early modern man of the species Homo sapiens sapiens from the ice age of the neo-Palaeolithic era. Early man (neo-Palaeolithic). Discovered at: a cave in Vézèretal/ southern France; Discovery: 1868; Age: 20,000 to 30,000 years. 21.5x15x24.5 cm; 0.9 kg & L/D/E/F/P/S/I/J 9982-1001295 Anthropological Skull – Steinheim This Steinheim model is a detailed casting from Berkhemer’s reconstruction (1936, skull with no jawbone). The original of this skull from a forerunner of Neanderthal man was a Homo (sapiens) steinheimensis aged between about 25 and 35 and was discovered in a gravel in Steinheim, southern Germany, in 1933. Forerunner of a Neanderthal man or an ancient Homo sapiens. Discovered at: a gravel pit near Steinheim an der Mur, Germany; Discovery: 1933; Age: approximately 250,000 years. 19x12.5x21.5 cm; 0.7 kg & L/D/E/F/P/S/I/J 9982-1001296 Anthropological Skull – Broken Hill or Kabwe An accurate casting of a skull reconstructed from an original that was discovered in an iron ore working at Broken Hill, in northwest Rhodesia (modern-day Kabwe in Zambia). It is an example of the early man, Homo sapiens rhodesiensis or a Homo erectus rhodesiensis, and indications exist to point to both these classifications. For this reason, there is also a wide range in the estimates of the specimen’s age based on differing scientific assumptions. An early example of an ancient Homo sapiens (as classified by Henke and Rothe 1994) or a Homo erectus rhodesiensis. Discovered at: a cave in an ore working at Broken Hill, modern-day Kabwe in Zambia. Discovery: 1921. Age: probably 150,000 to 300,000 years old. Previous estimates were of 40,000 to 60,000 years. 21x15.5x23.5 cm; 0.8 kg & L/D/E/F/P/S/I/J 9982-1001297 Anthropological Skull – KNM-ER 406, Omo L. 7a-125 This model is a high-quality casting of a reconstruction of the Kalvarium skull (KMN-ER 406) with a partial mandible (Omo L. 7a-125). The Kalvarium skull is approx. 1.7 million years old and was discovered at Lake Rudolph (now called Lake Turkana) in 1970. The partial mandible comes from a different dig but is clearly from the same species. The classification of the species has not yet been indisputably clarified. Discussions continue as to whether the specimen is an Australopithecus boisei or a Paranthropus boisei. Example of a pre- human hominid. Discovered at: Lake Turkana, formerly Lake Rudolph; Discovery: 1970; Age: about 1.7 million years. 18x18x22.5 cm; 0.8 kg & L/D/E/F/P/S/I/J 9982-1001298 *Example detail of base Anatomical Model Human ...going one step further 47
Page 1 and 2: BIOLOGY Printed on paper from a sus
Page 3 and 4: 4-9 New Products 10 Anatomical Mode
Page 5 and 6: Digital Monocular Microscope with B
Page 7 and 8: Fast and highly-effective experimen
Page 9 and 10: Digital Pocket Anemometer 9982-1010
Page 11 and 12: The Standard Benefits of a 3B Scien
Page 13 and 14: Mini Skeleton “Shorty”, mounted
Page 15 and 16: Diversity of 3B Scientific® Skulls
Page 17 and 18: Skull 9982-1000048 9982-1000059 Del
Page 19 and 20: 9982-1008545 9982-1000126 9982-1000
Page 21 and 22: 3B BONElike Vertebrae Unique worldw
Page 23 and 24: Shoulder Joint with Rotator Cuff, 5
Page 25 and 26: Dual Sex Muscle Figure, 45-part The
Page 27 and 28: 3B Scientific® Torsos Torsos with
Page 29 and 30: Unisex Torso with Fixed Head, Back
Page 31 and 32: Disc Torso, 15 slices This unique t
Page 33 and 34: Dental Disease, magnified 2 times,
Page 35 and 36: 9982-1000233 9982-1000234 “Physio
Page 37 and 38: Functional Eye With this model the
Page 39 and 40: 9982-1000289 9982-1000290 9982-1000
Page 41 and 42: 3B Scientific® Anatomy Video 9982-
Page 43 and 44: 9982-1000313 9982-1000302 9982-1000
Page 45: 9982-1000331 3B Scientific® Pregna
Page 49 and 50: Case with 27 Different Embedded Spe
Page 51 and 52: Midwife Toad (Alytes obstetricans)
Page 53 and 54: 9982-1002565 Rat Skull (Rattus ratt
Page 55 and 56: Horse Skeleton (Equus caballus) 998
Page 57 and 58: 9982-1000532 Morphology Dandelion (
Page 59 and 60: Woody Plants (Hamamelididae) and Ro
Page 61 and 62: Human Cell 9982-1008554 Glass Cell,
Page 63 and 64: Information About Microscopes Wide
Page 65 and 66: 9982-1003266 9982-1003267 9982-1013
Page 67 and 68: 9982-1003274 9982-1003275 Adjustabl
Page 69 and 70: 9982-1013151 The trinocular microsc
Page 71 and 72: 9982-1012403 9982-1012404 Polarisat
Page 73 and 74: The digital course microscopes with
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Page 77 and 78: 9982-1013373 9982-1013376 9982-1013
Page 79 and 80: FlexCam® 2 This modern document ca
Page 81 and 82: 9982-1005407 - 9982-1005411 9982-10
Page 83 and 84: 9982-1003763 9982-1003769 9982-1003
Page 85 and 86: 1 School Set C for General Biology,
Page 87 and 88: HISTOLOGY - Detail Sets Histology o
Page 89 and 90: Sensory Organs 10 preparations with
Page 91 and 92: 8(e). Bacterium erysipelatos, smear
Page 93 and 94: Angiospermae V. Leafs 15 Microscope
Page 95 and 96: Air Pollution and Allergens 15 Micr
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Art. No. Topic Art. No. Topic BACTE
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Invertebrates MULTIMEDIA TEACHER PA
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Embryology and Development of Anima
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Genetic Slides MULTIMEDIA TEACHER P
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Typical Stems of Phanerogams MULTIM
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Anatomy of Phanerogams MULTIMEDIA T
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9982-1005081 9982-1005082 / 9982-10
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9982-1013424 - 9982-1013424 9982-10
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Magnetic Stirrer with Heater Magnet
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Specific Benefits: • Flexible Pow
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Art. No. 9982-1002881 9982-1002879
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9982-1013076 9982-1002877 9982-1002
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3B NETlog 3B NETlogcan be used as a
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Enhance your lessons with a multitu
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9982-1003784 Oxygen Test Kit Comple
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9982-1005074 9982-1005075 Stethosco
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9982-1010194 9982-1010175 Newton’
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Sensory Physiology Kit Very interes
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Photosynthesis Equipment Set The eq
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DNA Fingerprint DNA fingerprinting
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Population Genetics and Evolution C
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Bacteriology Starter Kit Microbiolo
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Interactive Atomic Model According
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Giant DNA Model At nearly 90 cm in
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9982-1005304 9982-1005287 9982-1005
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Your BLS Simulator for Realistic Tr
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Contraceptive Case Graphic teaching
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The Consequences of Alcohol Abuse -
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Mitosis Model Activity Set Illustra
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* Inexpensive paper version ** Valu
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The Human Skeleton,front 9982-40065
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The Skin Muscle Tissue Bone Structu
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Intestinal Parasites I 9982-4006526
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Feeding Organs and Metabolism in th
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Heredity and Genetics of Man, Part
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Our Environment, Threats and Protec
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Graphite Kit 3 Layers 9982-1005283
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Franck-Hertz Experiment Franck-Hert
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Product Page Product Page Product P
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3B Scientific History 1819 Calderon
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3B Scientific - Biology Catalog

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