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Human Embryonic and Fetal Development |
Record 1 to 25 of 46 |
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Alimentary Canal, Development of the Outlines of the form and position of the alimentary canal in successive stages of its development. A, alimentary canal, in an embryo of four weeks; B, at six weeks; C, at eight weeks; D, at ten weeks;... |
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Anal Cavity, Development of the The anal cavity and lower part of the rectum in the fetus. Left figure is four month. Middle figure is six months. Right figure is 9 months. In each the anal canal is distinctly marked off from the re... |
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Bone, Developing Cross section of developing bone of human fetus of four months. Labels: a, periostem; b, boundary between endochondral and periosteal bone; c, perichondral bone; d, remains of area of calcification; e... |
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Brain and Spinal Cord of Fetus Human fetus in the third month of development, with the brain and spinal cord exposed from behind.... |
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Brain at Six Months, Fetal Side view of fetal brain at six months, showing commencement of formation of the principal fissures and convolutions. F, frontal lobe; P, parietal; O, occipital; T, temporal; a, commencing frontal con... |
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Brain of Embryo The brain of a human embryo in the fifth week. A, Brain as seen in profile. B, Mesial section through the same brain. Labels: M, mammillary eminence, Tc, tuber cinereum; Hp, Hypophysis (pituitary dive... |
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Brain of Embryo Profile view of brain of a human embryo of ten weeks. The various cranial nerves are indicated by numerals. A, Cerebral diverticulum of pituitary body. B, Buccal diverticulum of pituitary body.... |
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Brain of Fetus The left cerebral hemisphere, from a fetus in the early part of the seventh month of development. Labels: p.c.s., sulcus praecentralis superior; p.c.i., sulcus praecentralis inferior; r1, lower part o... |
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Brain, Development of Human Two stages in the development of the human brain. A. Brain of an human embryo of the third week. B. Brain of an embryo of five weeks.... |
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Brain, Development of the Early stages in development of human brain. 1, 2, 3, are from an embryo about seven weeks old; 4, about three months old. m, middle cerebral vesicle (mesencephalon); c, cerebellum; m o, medulla oblong... |
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Cell from Spinal Ganglion, Development of Three stages in the development of a cell from a spinal ganglion.... |
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Cell from the Spinal Ganglion, Development of a Three stages in the development of a cell from a spinal ganglion.... |
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Circulation, Diagram of Fetal Diagram of fetal circulation.... |
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Circulation, Fetal Plan of fetal circulation. In this plan, the figured arrows represent the kind of blood, as well as the direction which it takes in the vessels. Thus, arterial blood is figured ..... ; venous blood ... |
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Embryo Showing Course of Circulation Diagram of young embryo and its vessels, showing course of circulation in the umbilical vesicle; and also that of the allantois (near the caudal extremity), which is just commencing. ... |
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Embryo Showing Course of Circulation Diagram of embryo and its vessels, showing course of circulation. The large umbilical arteries are seen passing out in the placenta. ... |
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Embryo, Human "Early Human Embryo, giving diagrammatically the principal vessels antecedent to the establishment of the regular fetal circulation. H, heart; P, lungs; L, liver; T A, the aortic trunk or cardiac aort... |
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Embryo, Longitudinal Section of an Diagram of a longitudinal section of an embryo, showing the different areas of the blastodermic vesicle. Labels: a, pericardium; b, bucco-pharyngeal; c, ectoderm; d, entoderm; e,placental area.... |
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Eye of Fetus of Four Weeks Diagrammatic sketch of a vertical longitudinal section through the eyeball of a human fetus of four weeks. The section is a little to the side, so as to avoid passing through the ocular cleft; c, the ... |
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Eye of Fetus of Four Weeks Transverse vertical section of the eyeball of a human embryo of four weeks. The anterior half of the section is represented: pr, the remains of the cavity of the primary optic vesicle; p, the inner pa... |
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Fetus, Human "Diagram of head and brain of human foetus six weeks old (heavy boundaries). The dotted line indicates the outline of the brain of a foetus three months old. Note thee great growth of the hemisphere (... |
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Heart in Successive Stages of Development, Fetal Fetal heart in successive stages of development. 1, venous extremity; 2, arterial extremity; 3, pulmonary branches; 4, ductus arteriosus. ... |
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Heart, Fetal The right auricle of a fetal heart (eight months).... |
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Insula, Development of the Three stages in the development of the insula and the insular opercula.... |
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Labyrinth of Fetus Membranous labyrinth of a five months' fetus, viewed from its postero-mesial aspect.... |
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