The amnion (pl.: amnions or amnia) is a membrane that closely covers the human and various other embryos when first formed. It fills with amniotic fluid...

fetus in humans and other mammals. They are the amnion, chorion, allantois, and yolk sac. The amnion and the chorion are the chorioamniotic membranes...

membranes, the amnion, encloses the amniotic cavity, containing the amniotic fluid and the embryo. The outer membrane, the chorion, contains the amnion and is...

and caecilians) — by the development of three extraembryonic membranes (amnion for embryonic protection, chorion for gas exchange, and allantois for metabolic...

Amnion nodosum is distinguished by plaques of squamous cells on the amnion's fetal surface. The condition was previously known as "Amnionknötchen" (amniotic...

pregnancy between the developing fetus and mother. The chorion and the amnion together form the amniotic sac. In humans it is formed by extraembryonic...

the amnion laid open. X 30. Dorsum of human embryo, 2.11 mm in length. Section through the embryo. Fetus of about eight weeks, enclosed in the amnion. Magnified...

The Amnion (singular, Amnioni) are a fictional alien species in Stephen R. Donaldson's The Gap Cycle. They are shown to be the only alien race humanity...

embryo exchange gases and handle liquid waste. The allantois, along with the amnion, chorion, and yolk sac (other extraembryonic membranes), identify humans...

extraembryonic mesoderm splits into two layers, the amnion, yolk sac and chorion also become double-layered. The amnion and chorion are composed of extraembryonic...

adding the prefix an- to the word amniote, which in turn refers to the amnion, an extraembryonic membrane present during the amniotes' embryonic development...

diameter of which varies from 1 mm to 5 mm. It is situated between the amnion and the chorion and may lie on the placenta or at a varying distance from...

(IUGR) associated with placental insufficiency Amnion nodosum; failure of secretion by the cells of the amnion covering the placenta Placental abruption Twin-twin...

the chorion two additional membranes develop from embryonic tissue, the amnion and the serosa. This serosa secretes a cuticle rich in chitin that protects...

birds, reptiles, and mammals: the yolk sac which surrounds the yolk, the amnion which surrounds and cushions the embryo, the allantois which among avians...

from trophoblast and somatopleure as a corollary of the amnion and enclosing both the amnion and the allantois. The chorion provides the fetal contribution...

reproduction. Presence of gene is found in the chorionic plate, in the amnion epithelium, syncytiotrophoblasts, villous fibroblasts, chorionic trophoblasts...

amniotic fluid is present at birth. The forewaters are released when the amnion ruptures. This is commonly known as "water breaking". When this occurs during...

Diagram of a chicken egg in its ninth day. Membranes: allantois, chorion, amnion, and vitellus/yolk....

body stalk assume a more ventral position. Progressive expansion of the amnion from the umbilical ring (surrounding the roots of the vitelline duct and...

(vascular insult) and from amniotic band syndrome: fibrous bands of the amnion that constrict fetal limbs to such an extent that they fail to form or actually...

are born after an average of 63 days of gestation, puppies emerge in an amnion that is bitten off and eaten by the mother dog. Puppies begin to nurse almost...

least two fetal compartments. By comparison, hydrops allantois or hydrops amnion is an accumulation of excessive fluid in the allantoic or amniotic space...

woman. The needle punctures the amnion, which is the membrane that surrounds the developing fetus. The fluid within the amnion is called amniotic fluid, and...

common caul type is a piece of the thin translucent inner lining of the amnion that breaks away and forms tightly against the head during birth.[self-published...

mediastinoscopy) Endoscopy is used for many procedures: During pregnancy The amnion (amnioscopy) The fetus (fetoscopy) Plastic surgery Panendoscopy (or triple...

gestational sac. Subamniotic or preplacental hematomas are contained within amnion and chorion. Rare. Most patients with a small subchorionic hematoma are...

became the leader of the indie-rock group Amnion, helping write the group's songs. In February 2008, Amnion released their debut full-length album AmenNamO...

contact with the extraembryonic mesoderm until they cover the yolk sac and amnion. They move onto either side of the prechordal plate. The prechordal cells...

has been mixed with the monster's in a tiny organ called the Splinter of Amnion, which allows him to control it without falling victim to its wrath. Kishin's...