Ectoderm: Surface ectoderm - Neuroectoderm - Somatopleure - Neurulation - Neural crest This article is about modern humans. ... List of bones of the human skeleton Human anatomy is primarily the scientific study of the morphology of the adult human body. ... Variation in the physical appearance of humans is believed by anthropologists to be an important factor in the development of personality and social relations in particular physical attractiveness. ... This article is about the philosophical concept of Art. ... For the Björk song, see Human Behaviour Human behavior is the collection of behaviors exhibited by human beings and influenced by culture, attitudes, emotions, values, ethics, authority, rapport, hypnosis, persuasion, coercion and/or genetics. ... Human biology is an interdisciplinary academic field of biology, biological anthropology, and medicine which focuses on humans; it is closely related to primate biology, and a number of other fields. ... Central New York City. ... Human communication is the field dedicated to understanding how people communicate: with themselves intrapersonal communication another person interpersonal communication within groups group dynamics within organizations organizational communication across cultures cross-cultural communication Important Figures David Berlo Brent Ruben Wendell Johnson Norbert Weiner Marshal McLuhan Carl Rogers Albert Mehrabian Related topics... For other uses, see Human condition (disambiguation). ... For other uses, see Culture (disambiguation). ... Human development may refer to: Human development (biology) Human development (psychology) see Developmental psychology Occasionally, it may refer to both, but because each of these is already an immense area, few if any contemporary academic discussions attempt to tackle both with any completeness. ... For the history of humans on Earth, see History of the world. ... A karyotype of a human male, showing 46 chromosomes including XY sex chromosomes. ... For other uses, see Mind (disambiguation). ... For other uses, see Human nature (disambiguation). ... Human rights are rights which some hold to be inalienable and belonging to all humans. ... This article is about human sexual perceptions. ... For other uses, see Society (disambiguation). ... By the mid 20th century humans had achieved a mastery of technology sufficient to leave the surface of the Earth for the first time and explore space. ... This article includes a list of works cited or a list of external links, but its sources remain unclear because it lacks in-text citations. ... This article is about prenatal development in humans. ... Pre- and perinatal psychology is the study of the psychological implications of the earliest experiences of the individual, before (prenatal) and during (perinatal) childbirth. ... Childhood (song) Childhood is a broad term usually applied to the phase of development in humans between infancy and adulthood. ... This article or section does not cite its references or sources. ... This article does not cite any references or sources. ... “Baby” redirects here. ... A separate article is about the punk band called The Adolescents. ... Teen redirects here. ... To meet Wikipedias quality standards, this article or section may require cleanup. ... Puberty refers to the process of physical changes by which a childs body becomes an adult body capable of reproduction. ... For the adult insect stage, see Imago. ... According to Erik Eriksons stages of human development, first enumerated in Childhood and Society (1950) a young adult is a person between the ages of 19 and 40, whereas an adolescent is a person between the ages of 13 and 21. ... Middle age is the period of life beyond young adulthood but before the onset of old age. ... Paul Kruger in his old age. ... The effects of ageing on a human face Elderly woman Ageing or aging is the process of systems deterioration with time. ... In biology, senescence is the combination of processes of deterioration which follow the period of development of an organism. ... In Developmental psychology, a stage is a distinct phase in an individuals development. ... John Bowlby (February 26, 1907 - September 2, 1990) was a British psychoanalyst, notable for his interest in child development and his pioneering work in attachment theory. ... Mother and child Attachment theory is a psychological, evolutionary and ethological theory that provides a descriptive and explanatory framework for discussion of interpersonal relationships between human beings. ... This article needs additional references or sources for verification. ... // Psychosocial development as articulated by Erik Erikson describes eight developmental stages through which a healthily developing human should pass from infancy to late adulthood. ... Sigmund Freud (IPA: ), born Sigismund Schlomo Freud (May 6, 1856 – September 23, 1939), was an Austrian neurologist and psychiatrist who founded the psychoanalytic school of psychology. ... The concept of psychosexual development, as envisioned by Sigmund Freud at the end of the nineteenth and the beginning of the twentieth century, is a central element in the theory of psychology. ... Lawrence Kohlberg (October 25, 1927 – January 19, 1987) was an American psychologist. ... Kohlbergs stages of moral development are planes of moral adequacy conceived by Lawrence Kohlberg to explain the development of moral reasoning. ... Jean Piaget (August 9, 1896 – September 16, 1980) was a Swiss philosopher, natural scientist and developmental psychologist, well known for his work studying children, his theory of cognitive development and for his epistemological view called genetic epistemology. He created in 1955 the International Centre for Genetic Epistemology in Geneva and... // Although there is no general theory of cognitive development, one of the most historically influential theories was developed by Jean Piaget, a Swiss psychologist (1896–1980). ... Lev Vygotsky Lev Semenovich Vygotsky (Лев Семенович Выготский) (November 17 (November 5 Old Style), 1896 – June 11, 1934) was a Soviet developmental psychologist and the founder of the Cultural-historical psychology. ... Cultural-historical psychology (the school of Vygotsky) - a trend in psychological research founded by Lev Vygotsky in the end of the 1920s and developed by his students and followers in Eastern Europe and worldwide. ... Views of a Foetus in the Womb, Leonardo da Vinci, ca. ... Human embryogenesis is the process of cell division and cellular differentiation of the human embryo during early prenatal development. ... This article or section is in need of attention from an expert on the subject. ... For other uses, see Embryo (disambiguation). ... This article is about prenatal development in humans. ... For other uses, see Fetus (disambiguation). ... This article does not cite any references or sources. ... The following list describes a timeline of specific changes in human prenatal development by week of gestational age. ... This article is about fertilisation in animals and plants. ... After the fusion of the sperm plasma membrane and the egg plasma membrane after fertilization, animal eggs go through a process called egg activation to prepare the egg for development. ... It has been suggested that Biparental zygote be merged into this article or section. ... In embryology, cleavage is the division of cells in the early embryo. ... Morula is a stage of embryonic development in animals, including the 16-cell phase, the 32-cell phase, and the 64-cell phase. ... Blastulation. ... A blastomere is the structure which results from the divisions of a fertilised egg during embryonic development . ... The blastocyst is an early stage of the human (or any other mammal) development early in pregnancy. ... The inner cell mass is surrounded by the single cell layer of cells called trophoblast. ... This article, image, template or category should belong in one or more categories. ... The hypoblast is a tissue type from the inner cell mass. ... In embryology, the epiblast is a feature present during gastrulation. ... It has been suggested that this article or section be merged with Embryogenesis. ... Organs derived from each germ layer. ... The archenteron is an indentation that forms early on in a developing blastula. ... The primitive streak is a structure that forms during the early stages of avian, reptilian and mammalian embryonic development. ... The primitive pit is a depression in the center of the primitive node, connecting to the notochord. ... The primitive knot (or Primitive node) is the organizer for gastrulation in vertebrates. ... A blastopore is an opening into the archenteron during the embryonic stages of an organism. ... A shallow groove, the primitive groove, appears on the surface of the primitive streak, and the anterior end of this groove communicates by means of an aperture, the blastophore, with the yolk-sac. ... 1 - blastula, 2 - gastrula; orange - ectoderm, red - endoderm. ... It has been suggested that epiboly be merged into this article or section. ... Regional specification is the process by which different areas are identified in the development of the early embryo. ... The ectoderm is outermost of the three germ layers of the developing embryo, the other two being the mesoderm and the endoderm. ... The surface ectoderm (or external ectoderm forms the following structures: Skin(only epidermis;as dermis is derived from mesoderm) (along with glands, hair, nail (anatomy)) Epithelium of the mouth and nasal cavity saliavary glands, and glands of mouth and nasal cavity Enamel (in teeth) - as a side note dentin and... Neuroectoderm is the term for ectoderm which receives inhibitory signals from proteins such as noggin, which leads to the development of the nervous system from this tissue. ... When the lateral mesoderm splits into two layers, the outer (or somatic) one becomes applied to the inner surface of the ectoderm, and with it forms the somatopleure. ... Neurulation is a part of organogenesis in vertebrate embryos. ... The neural crest, a component of the ectoderm, is one of several ridgelike clusters of cells found on either side of the neural tube in vertebrate embryos. ...

Endoderm: Splanchnopleure Endoderm is one of the germ layers formed during animal embryogenesis. ... In the anatomy of an embryo, the splanchnopleure is a structure created during embryogenesis when the lateral mesoderm splits into two layers. ...

Blastocoele - Yolk sack/exocoelomic cavity - Heuser's membrane - Extraembryonic coelom - Vitelline duct The mesoderm is one of the three germ layers in the early developing embryo, the other two layers being the ectoderm and the endoderm. ... Chordamesoderm is a type of mesoderm that lies along the central axis, under the neural tube. ... Paraxial mesoderm is the area of mesoderm that forms just lateral to the neural tube on both sides. ... In the developing vertebrate embryo, somites are masses of mesoderm distributed along the two sides of the neural tube and that will eventually become dermis (dermatome), skeletal muscle (myotome), and vertebrae (sclerotome). ... In the developing vertebrate embryo, the somitomeres are loose masses of paraxial mesoderm derived cells that form along each side of the neural tube towards the end of the third gestational week. ... In vertebrate embryonic development, a group of embryonic tissues formed from somites that develop into the vertebrae. ... In vertebrate embryonic development, a group of tissues formed from somites that develop into the body wall muscle. ... The cutis plate is the dorsal portion of the paraxial mesoderm somite which gives rise to dermis. ... Intermediate mesoderm is a type of mesoderm that is located between the paraxial mesoderm and the lateral plate. ... Lateral plate mesoderm (or hypomere) is a type of mesoderm that is found at the periphery of the embryo. ... The intraembryonic coelom (or somatic coelom) is a a portion of the conceptus forming in the mesoderm. ... In the anatomy of an embryo, the splanchnopleure is a structure created during embryogenesis when the lateral mesoderm splits into two layers. ... When the lateral mesoderm splits into two layers, the outer (or somatic) one becomes applied to the inner surface of the ectoderm, and with it forms the somatopleure. ... This article is about female reproductive anatomy. ... The trophoblast (from Greek threphein: to feed) is considered to be the first of all embryonic annexes. ... The introduction to this article provides insufficient context for those unfamiliar with the subject matter. ... Syncytiotrophoblasts are cells found in the placenta of human embryos. ... A blastocoel(e) or blastocele or cleavage cavity or segmentation cavity is the central region of a blastocyst. ... The yolk sac is the first element seen in the gestational sac during pregnancy, usually at 5 weeks gestation. ... Heusers membrane (or the exocoelomic membrane) is a short lived combination of hypoblast cells and extracellular matrix. ... The extraembryonic coelom is a portion of the conceptus consisting of a cavity between Heusers membrane and the hypoblast. ... At the end of the fourth week the yolk-sac presents the appearance of a small pear-shaped vesicle (umbilical vesicle) opening into the digestive tube by a long narrow tube, the vitelline duct. ...

Umbilical cord (Umbilical artery, Umbilical vein, Wharton's jelly) - Allantois In placental mammals, the umbilical cord is a tube that connects a developing embryo or fetus to the placenta. ... Umbilical arteries carry deoxygenated blood from the fetus to the placenta in the umbilical cord. ... Fetal circulation; the umbilical vein is the large, red vessel at the far left The umbilical vein is a blood vessel present during fetal development that carries oxygenated blood from the placenta to the growing fetus. ... Whartons jelly is a gelatinous substance within the umbilical cord. ... Allantois is a part of a developing animal embryo. ...