Human+development pvms[1]
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The document summarizes human development from embryo to newborn in three months stages. In the first trimester, the embryo develops from a single cell into a structure with distinct organs and fingers by three months. In the second trimester, the fetus grows bones and skin, putting on weight and length. By the third trimester, the fetus' organs are fully developed and it grows further in size and weight until birth. The document also briefly compares human development to other animals, noting early cell division and formation of body layers are shared across species.
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Human development from embryo to newborn occurs in three stages: the first, second, and third trimesters. In the first trimester, the embryo develops organs and body parts from two cell layers and fingerprints form. In the second trimester, the skeleton hardens and skin smoothes out. In the third trimester, organs continue developing and the baby gains weight and length. Comparative embryology shows that while human development is similar to other animals in its cell division and layer formation, it differs in the specific organs developed and whether development occurs inside or outside the mother's body, depending on the species.Human+development pvms
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Human development from embryo to newborn occurs in three stages: the first, second, and third trimesters. In the first trimester, the embryo develops organs and body parts from two cell layers and fingerprints form. In the second trimester, the skeleton hardens and skin smoothes as fat develops. In the third trimester, organs continue maturing and the baby gains weight and length until birth. Comparative embryology shows that while human development is similar to other animals initially, differences emerge as organs form depending on the species' structures. Embryonic development ends when basic organs form and the fetus or larvae develops, either inside or outside the mother depending on species.Presentation1
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The document outlines the stages of pre-natal development from conception to birth, detailing key milestones in the growth of the embryo and fetus. It describes physiological changes and milestones at each stage, such as development of organs and sensory systems, as well as the baby's movements and responsiveness within the womb. The information emphasizes the importance of maternal health, highlighting how substances ingested by the mother can affect fetal development.MILESTONE- OF - FETAL - DEVELOPMENT. PPT
MILESTONE- OF - FETAL - DEVELOPMENT. PPTJimsLeonardMDagdag
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Fetal development occurs in three stages: germinal, embryonic, and fetal, each characterized by specific growth and changes. The timeline spans from conception to birth, typically encompassing 40 weeks of gestation, divided into trimesters. Each trimester corresponds to distinct developmental milestones, including the formation of major organs, movement, and preparation for birth.Fetal development
Fetal developmentjiji jiya
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The document provides a week-by-week summary of fetal development from conception through 40 weeks of pregnancy. Key developments include fertilization occurring around week 3, implantation around week 4, major organ systems beginning to form between weeks 5-8, genitals developing in week 11, and bones and skin continuing to mature throughout the remainder of the pregnancy. The fetus gains significant weight starting around week 31 and is considered full term at 40 weeks.embryonic development, process and formation of blastocyst
embryonic development, process and formation of blastocystprakash801438
油
Embryonic development refers to the process of development and formation of the embryo in humans, characterized by cell division and differentiation.
The embryonic stage lasts from week 3 to week 8 of gestation, during which the embryo undergoes significant changes and begins to take on distinct human characteristics.
This period is also known as the organogenic period, where most organs within the embryo start to form.
The developing human is referred to as an embryo during weeks 38 and transitions to a fetus from the ninth week of gestation until birth.
For more detailed information, you can refer to the sources provided.Ad
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- 2. Human Development GSE: Humans are similar to many species in many ways, yet unique among Earths life forms. Let us examine the major changes that occur in human development from a single cell to birth
- 3. First Trimester (months 1 - 3) 1 month: Your baby is an embryo consisting of two layers of cells from which all her organs and body parts will develop. 2 months: Your baby is now about the size of a kidney bean and is constantly moving. He has distinct, slightly webbed fingers. 3 months: By now your baby is about 3 inches long and weighs nearly an ounce. Her tiny, unique fingerprints are now in place
- 4. First Trimester (months 1 - 3) 1 month: Your baby is an embryo consisting of two layers of cells from which all her organs and body parts will develop. 2 months: Your baby is now about the size of a kidney bean and is constantly moving. He has distinct, slightly webbed fingers. 3 months: By now your baby is about 3 inches long and weighs nearly an ounce. Her tiny, unique fingerprints are now in place
- 5. 2 nd Trimester (months 4 - 6) Month 4: Your baby is now about 5 inches long and weighs 5 ounces. His skeleton is starting to harden from rubbery cartilage to bone. Month 5: Eyebrows and eyelids are now in place. Your baby would now be more than 10 inches long if you stretched out her legs. Month 6: Your baby weighs about a pound and a half. His wrinkled skin is starting to smooth out as he puts on baby fat.
- 6. 2 nd Trimester (months 4 - 6) Month 4: Your baby is now about 5 inches long and weighs 5 ounces. His skeleton is starting to harden from rubbery cartilage to bone. Month 5: Eyebrows and eyelids are now in place. Your baby would now be more than 10 inches long if you stretched out her legs. Month 6: Your baby weighs about a pound and a half. His wrinkled skin is starting to smooth out as he puts on baby fat.
- 7. 3 rd Trimester (months 7 - 9) Month 7: By now, your baby weighs about 3 pounds and is more than 15 inches long. She can open and close her eyes and follow a light. Month 8: Your baby now weighs about 4 3/4 pounds. His layers of fat are filling him out, making him rounder, and his lungs are well developed. Month 9: The average baby is more than 19 inches long and weighs nearly 7 pounds now, but babies vary widely in size at this stage
- 8. 3 rd Trimester (months 7 - 9) Month 7: By now, your baby weighs about 3 pounds and is more than 15 inches long. She can open and close her eyes and follow a light. Month 8: Your baby now weighs about 4 3/4 pounds. His layers of fat are filling him out, making him rounder, and his lungs are well developed. Month 9: The average baby is more than 19 inches long and weighs nearly 7 pounds now, but babies vary widely in size at this stage
- 9. Comparative Embryology Lets compare and contrast human development to the development of other animals The earliest phase of embryonic development is when the fertilized egg undergoes rapid cell division After early cell division, the embryo separates into three layers, which will become all of the parts of the animal's body.
- 10. Comparative Embryology Compare and Contrast human development to the development of other animals After the layers have completely formed, the embryo starts developing organs. Often organs will grow and then disappear, such as the tail of a human embryo. Also, animals will differ in terms of what organs they will form because not all animals have the same structures. Some, for instance, will develop wings. The beginnings of embryonic development may occur inside the mother's body or in eggs which she has laid outside her body to be fertilized, depending on the species. Embryonic development ends when the organism transforms into a fetus or larvae, after the basic organs are formed. All embryonic development is controlled by genes