placental membrane
1placental membrane — the semipermeable membrane that separates the fetal from the maternal blood in the placenta. In the human (hemochorial) placenta, it is composed of fetal vascular endothelium, connective tissue, cytotrophoblast, and syncytiotrophoblast, and it… …
2placental barrier — n a semipermeable membrane made up of placental tissues and limiting the kind and amount of material exchanged between mother and fetus <thiazides cross the placental barrier and appear in cord blood (Resident & Staff Physician)> * * * the… …
3membrane — 1. A thin sheet or layer of pliable tissue, serving as a covering or envelope of a part, as the lining of a cavity, as a partition or septum, or to connect two structures. SYN: membrana [TA]. 2. SYN: biomembrane. [L. membrana, a skin or m …
4placental barrier — noun : a semipermeable membrane made up of placental tissues and limiting the character and amount of material exchanged between mother and fetus …
5Placenta — A temporary organ joining the mother and fetus, the placenta transfers oxygen and nutrients from the mother to the fetus, and permits the release of carbon dioxide and waste products from the fetus. It is roughly disk shaped, and at full term… …
6barrier — 1. An obstacle or impediment. 2. In psychiatry, a conflictual agent that blocks behavior that could help resolve a personal struggle. [M.E., fr. O.Fr. barriere, fr. L.L. barraria] blood air b. the material intervening between alveolar air and the …
7Western Blue-tongued Lizard — Taxobox name = Western Blue tongued Lizard image width = 250px regnum = Animalia phylum = Chordata classis = Reptilia ordo = Squamata subordo = Sauria familia = Scincidae genus = Tiliqua species = T. occipitalis binomial = Tiliqua occipitalis… …
8Grünenthal GmbH — (Chemie Grünenthal of Stolberg (Rhineland)) is a German pharmaceutical company in Stolberg (Rhineland) near Aachen, which holds the patent to Ultram (Tramadol), and its much stronger derivative Nucynta (Tapentadol), both used as analgesics… …
9vanishing twin syndrome — the disappearance of one fetus following the sonographic diagnosis of a twin pregnancy, with only one twin eventually being delivered; the vanished twin may be resorbed or incorporated into the placental membrane …
10placenta — placental, placentary /plas euhn ter ee, pleuh sen teuh ree/, adj. /pleuh sen teuh/, n., pl. placentas, placentae / tee/. 1. Anat., Zool. the organ in most mammals, formed in the lining of the uterus by the union of the uterine mucous membrane… …
