https://padlet.com/salackikb/a2l014kzdi5t A word map of biological terms that appear within an order of occurrence from fertilization to child birth. en-us 2017-11-12 23:40:40 UTC 2025-11-04 09:42:28 UTC hello@padlet.com salackikb https://padlet.com/salackikb/a2l014kzdi5t/wish/206054604 Occurs when a single sperm cell joins with an egg. 23 chromosomes from each parent combine to form 46 in the newly created zygote. the video shows the process of fertilization in depth]]> 2017-11-12 23:43:32 UTC https://padlet.com/salackikb/a2l014kzdi5t/wish/206054604 salackikb https://padlet.com/salackikb/a2l014kzdi5t/wish/206056952 A cell that forms as a product of fertilization as a result of the combination between male and female gamete cells.]]> 2017-11-13 00:04:39 UTC https://padlet.com/salackikb/a2l014kzdi5t/wish/206056952 salackikb https://padlet.com/salackikb/a2l014kzdi5t/wish/206058740 The process of cell division that occurs after a zygote is formed. The zygote splits into two cells, then four, then eight, and so on. The cell does not change in actual size. The first 45 seconds of the video shows the astonishing visual effects of the process of cleavage in a frog zygote.]]> 2017-11-13 00:20:42 UTC https://padlet.com/salackikb/a2l014kzdi5t/wish/206058740 salackikb https://padlet.com/salackikb/a2l014kzdi5t/wish/206060618 A zygote that is split into 16 cells. As the zygote splits, it travels from the oviduct to the uterus.]]> 2017-11-13 00:36:04 UTC https://padlet.com/salackikb/a2l014kzdi5t/wish/206060618 salackikb https://padlet.com/salackikb/a2l014kzdi5t/wish/206061460 Once the zygote is finished dividing, a blastocyst forms in preparation for implantation. It is a hollow structure where new cellular structures can develop inside.]]> 2017-11-13 00:42:24 UTC https://padlet.com/salackikb/a2l014kzdi5t/wish/206061460 salackikb https://padlet.com/salackikb/a2l014kzdi5t/wish/206064727 The outer membrane of the blastocyst (trophobast) begins to develop into the chorion to surround the embryo. (This will act as a placenta later on) The allantois will be explained later.]]> 2017-11-13 01:08:09 UTC https://padlet.com/salackikb/a2l014kzdi5t/wish/206064727 salackikb https://padlet.com/salackikb/a2l014kzdi5t/wish/206065939 Inside the blastocyst, a group of cells within the hollow center accumulate to eventually develop into the embryo.]]> 2017-11-13 01:17:27 UTC https://padlet.com/salackikb/a2l014kzdi5t/wish/206065939 salackikb https://padlet.com/salackikb/a2l014kzdi5t/wish/206067555 The trophoblast of the blastocyst secretes enzymes to digest tissue and blood in the endometrium of the uterus to sink and attach attach to the uterine lining during this process.]]> 2017-11-13 01:29:11 UTC https://padlet.com/salackikb/a2l014kzdi5t/wish/206067555 salackikb https://padlet.com/salackikb/a2l014kzdi5t/wish/206070587 This hormone is secreted by trophoblast during implantation.. It functions the same as LH to maintain the corpus luteum in the ovaries to continue estrogen and progesterone production while preventing menstruation. The presence of hCG in a woman's urine is used to determine the results in a pregnancy test.]]> 2017-11-13 01:48:44 UTC https://padlet.com/salackikb/a2l014kzdi5t/wish/206070587 salackikb https://padlet.com/salackikb/a2l014kzdi5t/wish/206072522 A sac that contains the amniontic cavity begins to form in between the trophoblast and the inner cell mass. This will be the site where the baby develops later on. ]]> 2017-11-13 02:03:09 UTC https://padlet.com/salackikb/a2l014kzdi5t/wish/206072522 salackikb https://padlet.com/salackikb/a2l014kzdi5t/wish/206074830 When the amniontic cavity forms, the inner cell mass flattens into an embryonic disc. The ectoderm is the outer layer of the disc.]]> 2017-11-13 02:19:22 UTC https://padlet.com/salackikb/a2l014kzdi5t/wish/206074830 salackikb https://padlet.com/salackikb/a2l014kzdi5t/wish/206076784 Inner layer of the embryonic disc.]]> 2017-11-13 02:34:34 UTC https://padlet.com/salackikb/a2l014kzdi5t/wish/206076784 salackikb https://padlet.com/salackikb/a2l014kzdi5t/wish/206077554 Forms in between the ectoderm and endoderm. ]]> 2017-11-13 02:40:09 UTC https://padlet.com/salackikb/a2l014kzdi5t/wish/206077554 salackikb https://padlet.com/salackikb/a2l014kzdi5t/wish/206078064 The three layers of the embryonic disc. (11-13)]]> 2017-11-13 02:44:38 UTC https://padlet.com/salackikb/a2l014kzdi5t/wish/206078064 salackikb https://padlet.com/salackikb/a2l014kzdi5t/wish/206078790 The process of forming the three primary layers.]]> 2017-11-13 02:50:05 UTC https://padlet.com/salackikb/a2l014kzdi5t/wish/206078790 salackikb https://padlet.com/salackikb/a2l014kzdi5t/wish/206080813 After gastrulation occurs, a series of events that take place to form distinct structures of a developing embryo is known as morphogenesis.]]> 2017-11-13 03:04:30 UTC https://padlet.com/salackikb/a2l014kzdi5t/wish/206080813 salackikb https://padlet.com/salackikb/a2l014kzdi5t/wish/206085712 The name of a developing embryo after the germ layers are formed.]]> 2017-11-13 03:40:40 UTC https://padlet.com/salackikb/a2l014kzdi5t/wish/206085712 salackikb https://padlet.com/salackikb/a2l014kzdi5t/wish/206086329 Cells begin to develop a particular shape and perform functions that are different from the other cells.]]> 2017-11-13 03:44:26 UTC https://padlet.com/salackikb/a2l014kzdi5t/wish/206086329 salackikb https://padlet.com/salackikb/a2l014kzdi5t/wish/206087960 After differentiation occurs, complex human characteristics begin to form for many weeks. The placenta surrounds the fetus to ensure it's survival.. It is rich in blood vessels and it promotes metabolic exchange.]]> 2017-11-13 03:55:37 UTC https://padlet.com/salackikb/a2l014kzdi5t/wish/206087960 salackikb https://padlet.com/salackikb/a2l014kzdi5t/wish/206089328 After differentiation occurs, distinct human structures such as organs, limbs, and body shape become present from three weeks and on.]]> 2017-11-13 04:06:34 UTC https://padlet.com/salackikb/a2l014kzdi5t/wish/206089328 salackikb https://padlet.com/salackikb/a2l014kzdi5t/wish/206090499 A small sac suspended and attached to the abdominal area of the fetus to contribute in digestive tract, blood cell, and future gamete cell formation.]]> 2017-11-13 04:17:22 UTC https://padlet.com/salackikb/a2l014kzdi5t/wish/206090499 salackikb https://padlet.com/salackikb/a2l014kzdi5t/wish/206361444 Forms the foundation of the umbilical cord. After two months, it degenerates and the remainder of the allantois becomes part of the urinary bladder. ]]> 2017-11-13 17:14:48 UTC https://padlet.com/salackikb/a2l014kzdi5t/wish/206361444 salackikb https://padlet.com/salackikb/a2l014kzdi5t/wish/206371215 These include the allantois, amnion, chorion, and yolk sac]]> 2017-11-13 17:30:29 UTC https://padlet.com/salackikb/a2l014kzdi5t/wish/206371215 salackikb https://padlet.com/salackikb/a2l014kzdi5t/wish/206373163 A rope-like structure that attaches to the abdominal area of the fetus to the edge of the placenta to exchange oxygen rich and deficient blood in and out of the fetus. ]]> 2017-11-13 17:33:49 UTC https://padlet.com/salackikb/a2l014kzdi5t/wish/206373163 salackikb https://padlet.com/salackikb/a2l014kzdi5t/wish/206568526 These cells are split into three categories as they are able to differentiate in a variety of ways 
-------------------------------->]]> 2017-11-14 04:19:27 UTC https://padlet.com/salackikb/a2l014kzdi5t/wish/206568526 salackikb https://padlet.com/salackikb/a2l014kzdi5t/wish/206569258 These cells have the ability to differentiate into any cell found in the human body. A zygote cell is a good example since it eventually grows into a living human with many cells. (look back to note 2)]]> 2017-11-14 04:25:00 UTC https://padlet.com/salackikb/a2l014kzdi5t/wish/206569258 salackikb https://padlet.com/salackikb/a2l014kzdi5t/wish/206570660 Similar to totipotent cells, but don't differentiate into cells that surround the embryo. The inner cell mass is a good example. (look back to note 7)]]> 2017-11-14 04:37:28 UTC https://padlet.com/salackikb/a2l014kzdi5t/wish/206570660 salackikb https://padlet.com/salackikb/a2l014kzdi5t/wish/206571696 Cells that have a specialized function. Ex. bone marrow which is specialized only to blood.]]> 2017-11-14 04:44:23 UTC https://padlet.com/salackikb/a2l014kzdi5t/wish/206571696