作者: Biomarker 時(shí)間: 2025-3-21 23:25
Nikolai B. Melnikov,Boris I. Reseren position itself correctly in the uterus, remove the zona often with the aid of endometrial secretions, adhere to the uterine epithelium and possibly invade that epithelium in initiating the development of the characteristic placental structure. Recent studies have indicated that these structural 作者: 極肥胖 時(shí)間: 2025-3-22 00:59 作者: Coma704 時(shí)間: 2025-3-22 06:34 作者: ITCH 時(shí)間: 2025-3-22 10:34 作者: 記憶 時(shí)間: 2025-3-22 16:32 作者: 記憶 時(shí)間: 2025-3-22 20:17 作者: 使痛苦 時(shí)間: 2025-3-23 00:49
Placentation Fundamentals,s, fish and amphibia, have developed analogous structures which serve similar functions to the extraembryonic membranes, These will be discussed briefly as they offer further insights into the requirements for successful fetal development. Even a few invertebrate species utilise placental analogues,作者: 半導(dǎo)體 時(shí)間: 2025-3-23 04:20 作者: 聲明 時(shí)間: 2025-3-23 07:01 作者: Adornment 時(shí)間: 2025-3-23 12:12 作者: 結(jié)果 時(shí)間: 2025-3-23 16:04
Placental Immunology, Viviparity, Evolution,e..Initially the brief toleration of the spermatozoa and seminal fluid components is based on the uterine epithelium providing a significant cellular barrier together with the local immunomodulation by the progesterone secretion from the corpus luteum developed from the ovulated ovarian follicle. Af作者: excursion 時(shí)間: 2025-3-23 18:26 作者: humectant 時(shí)間: 2025-3-24 01:26 作者: initiate 時(shí)間: 2025-3-24 03:54 作者: 十字架 時(shí)間: 2025-3-24 09:04 作者: 眉毛 時(shí)間: 2025-3-24 11:50
Peter Wooding,Graham BurtonThe only concise presentation at present of the structural variety of vertebrate placentas and coherent discussion of how and why this range evolved.Provides the unique collection of the best Light an作者: 駭人 時(shí)間: 2025-3-24 17:57
http://image.papertrans.cn/c/image/230969.jpg作者: 東西 時(shí)間: 2025-3-24 22:35
David V. Kilpin,Hamid Jahankhaniial and aquatic..This book is mainly concerned with providing pictorial and descriptive data to facilitate broad comparisons of structures and secretions both during development and in their final form with a view of relating them to the functional activity of the placenta. In the viviparous vertebr作者: LEVER 時(shí)間: 2025-3-25 02:35
Nikolai B. Melnikov,Boris I. Reserhe uterine epithelium (Parr and Parr 1989; Denker 1993). This process is easily disrupted and most early pregnancy loss occurs during this time (Wilmut et al. 1986). The process can also be suspended (‘delay of implantation, embryonic diapause ’) at this stage, which serves to reduce the metabolic l作者: Mechanics 時(shí)間: 2025-3-25 04:43
,Electronic States in?Atoms and?Solids,ssman 1987). The most widely used system is an increased secretion of nutrients into the ovarian or uterine cavity and absorption via the fetal gut or skin surface, but a number of genera have produced specialized structures, both embryonic and extraembryonic, some of which closely parallel amniote 作者: 憤憤不平 時(shí)間: 2025-3-25 09:18 作者: 羽毛長(zhǎng)成 時(shí)間: 2025-3-25 15:25 作者: eustachian-tube 時(shí)間: 2025-3-25 16:19
https://doi.org/10.1007/978-981-16-1967-0nal connective tissue directly. It has now been shown by a variety of techniques that throughout pregnancy characteristic ruminant fetal trophectodermal binucleate cells (BNCs) modify the uterine epithelium by apical fusion to form fetomaternal hybrid syncytial plaques at the junction of the fetal a作者: Trypsin 時(shí)間: 2025-3-25 23:46 作者: 思想上升 時(shí)間: 2025-3-26 03:39 作者: Peculate 時(shí)間: 2025-3-26 06:16
Chaoyu Ren,Feng Tian,Wenqian Wang,Huijie Liunocytes, macrophages, granulocytes, NK [natural killer] and mast cells, with complement and acute phase proteins as humoral effectors. This is integrated with the adaptive system which employs the MHC controlled T and B lymphocytes and humoral antibodies. The innate is more primitive but both had ev作者: GRILL 時(shí)間: 2025-3-26 11:04
https://doi.org/10.1007/978-981-15-3442-3 the species are non hybridising groups so even though the detailed placental structures here are similar, other postzygotic factors block crossing even between closely related species. There are exceptions, kangaroos will cross fertilise interspecifically (references in O’Neill et al. 1998) and rec作者: macrophage 時(shí)間: 2025-3-26 14:26 作者: Popcorn 時(shí)間: 2025-3-26 17:21
Space Habitats and Habitability). A few marsupials lose their shell during development in utero and show localized invasion of the uterine epithelium by the yolk sac trophectoderm, and other families develop an area of chorioallantoic placentation in the last quarter of the typically very short 12–14 day gestation.作者: 平庸的人或物 時(shí)間: 2025-3-27 00:04 作者: 難理解 時(shí)間: 2025-3-27 01:28
Sandra H?uplik-Meusburger,Sheryl Bishopfetal expansions over the gland mouths, forming areolae consisting of cells specialized for histotrophic absorption. The domestic pig placenta will be described as the basic type, and variations on that pattern considered for the horse, American mole .) and the primates (lemurs and .).作者: Semblance 時(shí)間: 2025-3-27 05:44
https://doi.org/10.1007/978-981-97-1568-8s in the trophectoderm have been reported (King 1992). Depending on the species the trophectoderm may have one, two, or three layers, each of which may be cellular or syncytial. The species-specific pattern is established soon after implantation and is maintained to term.作者: 破布 時(shí)間: 2025-3-27 12:56 作者: 熔巖 時(shí)間: 2025-3-27 16:13
Haemochorial Placentation: Mouse, Rabbit, Man, Apes, Monkeys,s in the trophectoderm have been reported (King 1992). Depending on the species the trophectoderm may have one, two, or three layers, each of which may be cellular or syncytial. The species-specific pattern is established soon after implantation and is maintained to term.作者: recession 時(shí)間: 2025-3-27 21:10 作者: Indent 時(shí)間: 2025-3-28 01:12 作者: 忙碌 時(shí)間: 2025-3-28 03:11 作者: Fatten 時(shí)間: 2025-3-28 09:00 作者: corporate 時(shí)間: 2025-3-28 11:53
Implantation, Maternofetal Exchange and Vascular Relationships,he uterine epithelium (Parr and Parr 1989; Denker 1993). This process is easily disrupted and most early pregnancy loss occurs during this time (Wilmut et al. 1986). The process can also be suspended (‘delay of implantation, embryonic diapause ’) at this stage, which serves to reduce the metabolic l作者: BUCK 時(shí)間: 2025-3-28 17:42
Fish, Amphibian, Bird and Reptile Placentation,ssman 1987). The most widely used system is an increased secretion of nutrients into the ovarian or uterine cavity and absorption via the fetal gut or skin surface, but a number of genera have produced specialized structures, both embryonic and extraembryonic, some of which closely parallel amniote 作者: 物質(zhì) 時(shí)間: 2025-3-28 20:44 作者: Climate 時(shí)間: 2025-3-29 02:18
Eutheria: Epitheliochorial Placentation Pig and Horse, development essentially involves a vast increase in area with no loss of any layers between the fetal and maternal bloodstreams. The exclusively cellular layers may become exceedingly attenuated, reducing the diffusion distance as pregnancy proceeds, but all persist to term (Amoroso 1952; Steven 19作者: 制定 時(shí)間: 2025-3-29 03:19 作者: Microgram 時(shí)間: 2025-3-29 09:37 作者: Eructation 時(shí)間: 2025-3-29 13:03
Haemochorial Placentation: Mouse, Rabbit, Man, Apes, Monkeys,nd to such a sequence; with the loss of all the maternal tissue, maternal blood irrigates the chorioallantoic fetal trophectoderm directly (Fig. 1.5)..Previous suggestions that in some species the fetal trophectoderm is also lost have not been substantiated by subsequent EM studies. The trophectoder作者: Asseverate 時(shí)間: 2025-3-29 15:33 作者: 音樂(lè)戲劇 時(shí)間: 2025-3-29 19:47
