51 results found

Search Results for: placenta

Placenta

Definition noun, plural: placentae or placentas (1) (zoology) The vascular organ formed during gestation of female mammals... Read More

Placentalia

Definition noun (taxonomy) A subdivision of the class Mammalia characterized primarily by their fetus being carried in the... Read More

Supernumerary placenta

supernumerary placenta A succenturiate or accessory... Read More

Battledore placenta

Battledore placenta a placenta in which the umbilical cord is attached at the border; so-called because of the fancied... Read More

Chorion

Definition noun, plural: chorions (embryology) An extraembryonic membrane surrounding the embryo or the fetus of... Read More

Placental mammal

Definition noun, plural: placental mammals Another term for eutherian mammal, i.e. a mammal possessing a chorioallantoic... Read More

Metatherian mammal

Definition noun, plural: metatherian mammals Any from the group of mammals possessing choriovitelline type of placenta (as... Read More

Eutherian mammal

Definition noun, plural: eutherian mammals Any from the group of mammals possessing chorioallantoic placenta (as opposed... Read More

Cotyledon

Definition noun, plural: cotyledons (1) (botany) The primary or rudimentary leaf of the embryo of a seed plant that either... Read More

Gonadotropin

Definition noun, plural: gonadotropins A polypeptide hormone secreted by the anterior pituitary and the placenta, and acts... Read More

Twins

Definition noun, singular: twin (1) Two siblings from the same pregnancy and birth (2) (general) Two closely related and... Read More

Yolk sac

Definition noun, plural: yolk sacs A membranous sac formed by the hypoblast and encases the yolk of eggs in bony fishes,... Read More

Myometrium

Definition noun, plural: myometria The middle layer of the uterine wall, made up chiefly of smooth muscle tissue involved in... Read More

Amitosis

Definition noun, plural: amitoses A direct type of cell division wherein the nucleus and the cytoplasm go through a simple... Read More

Mammalia

Definition noun, plural: mammals A taxonomic class that includes all mammals Supplement Mammalia is a taxonomic class of... Read More

Amniotic sac

Definition noun, plural: amniotic sacs Fluid-filled sac where the embryo or fetus is suspended in the uterus or in the of... Read More

Testosterone

Definition noun, plural: testosterones A steroid hormone with a chemical formula of C19H28O2, and is regarded as the primary... Read More

Dichorionic-diamniotic twins

Definition noun Twins with separate chorions and amniotic sacs in utero Supplement Twins may be classified according to the... Read More

Osteoclast

Definition noun, plural: osteoclasts (cytology) A type of bone cell that is large, multinucleated, and associated with bone... Read More

Mononuclear phagocyte system

Definition noun A system of cells located in reticular connective tissue, and are associated primarily with phagocytosis and... Read More

Eutheria

Definition noun A taxonomic group within Class Mammalia (as first proposed by Thomas Henry Huxley in 1880) comprised of... Read More

Fetal membrane

Definition noun, plural: fetal membranes A membrane surrounding the embryo or fetus and is involved in nutrition,... Read More

Macrophage

Definition noun, plural: macrophages A leukocyte whose main function is to eliminate cellular debris and foreign particles... Read More

Immunoglobulin A

Definition noun An immunoglobulin (antibody) that is characterized by its α-heavy chain, and its prevalence in mucous... Read More

Oxytocin – Of Love, Fear, and Anxiety

Oxytocin has long had a reputation of being the "love hormone". It engenders social bonding, attachment, intimacy, and... Read More

Naturally acquired passive immunity

Definition noun A passive immunity that is acquired by the fetus or newborn through its mother, and typically lasts the... Read More

Natural passive immunity

Definition noun A passive immunity acquired by the fetus or newborn from the mother via the placental transfer of antibodies... Read More

Dizygotic twins

Definition noun Two offspring that develop from two zygotes but share a common uterine environment, and would be born at the... Read More

Hcg

Hcg --> human chorionic gonadotrophin (Science: hormone tumour marker) a hormone that is produced by the developing... Read More

Lactogen

Lactogen An agent that stimulates milk production or secretion. Origin: Lacto-- g. -gen, producing human placental lactogen... Read More

Parthenogenesis

To reproduce, by definition, means to produce new offspring. The process is referred to as reproduction, which is one of the... Read More

Progesterone

Definition noun, plural: progesterones A progestogen hormone, with a chemical formula of C21H30O2, naturally produced in... Read More

Pendulous

pendulous Drooping, of ovules, attached at the top of the ovary and hanging downwards from an apical... Read More

Brandt-andrews manoeuvre

Brandt-andrews manoeuvre The expression of the placenta by grasping the umbilical cord with one hand and placing the other... Read More

Nitabuchs layer

Nitabuch's layer --> Nitabuch's membrane a layer of fibrin between the boundary zone of compact endometrium and the... Read More

Nitabuchs membrane

Nitabuch's membrane a layer of fibrin between the boundary zone of compact endometrium and the cytotrophoblastic shell in... Read More

Rh factor

rh factor An antigen that may or may notbe present on the surface of human bloodcells. If a person's blood has the antigen,... Read More