Template:Cardiovascular terms: Difference between revisions

From Embryology
(Created page with "{| class="wikitable mw-collapsible mw-collapsed" ! [[Cardiovascular Terms]] |- | Cardiovascular System Development For more cardiovas...")
 
mNo edit summary
 
(13 intermediate revisions by the same user not shown)
Line 1: Line 1:
{| class="wikitable mw-collapsible mw-collapsed"
{| class="wikitable mw-collapsible mw-collapsed"
! [[Cardiovascular System Development|[[Cardiovascular Terms]]]]
! [[Cardiovascular System Development|Cardiovascular Terms]]  
|-
|-
| [[Cardiovascular System Development]] For more cardiovascular term definitions and links to related topics use the glossary.  
| [[Cardiovascular System Development]] See also [[Template:Heart terms|Heart terms]], [[Template:Immune terms|Immune terms]] and [[Template:Blood terms|Blood terms]].


'''angioblast''' - the stem cells in blood islands generating endothelial cells  which will form the walls of both arteries and veins. (More? Blood Vessel)
*'''angioblast''' - the stem cells in blood islands generating endothelial cells  which will form the walls of both arteries and veins. (More? [[Cardiovascular System - Blood Vessel Development|Blood Vessel]])


'''angiogenesis''' - the formation of blood vessels also called vasculogenesis in the embryo.
*'''angiogenesis''' - the formation of new blood vessels from pre-existing vessels following from vasculogenesis in the embryo. (More? [[Cardiovascular System - Blood Vessel Development|Blood Vessel]])


'''anlage''' (German,  ''anlage'' = primordium) structure or cells which will form a future more developed or differentiated adult structure.  
*'''anlage''' (German,  ''anlage'' = primordium) structure or cells which will form a future more developed or differentiated adult structure.  


'''blood islands''' - earliest sites of blood vessel and blood cell formation, seen mainly on yolk sac chorion.  
*'''blood islands''' - earliest sites of blood vessel and blood cell formation, seen mainly on yolk sac chorion.  


'''cardinal veins''' - paired main systemic veins of early embryo, anterior, common, posterior.  
*'''cardinal veins''' - paired main systemic veins of early embryo, anterior, common, posterior.  


'''cardiogenic region''' - region above prechordal plate in mesoderm where heart tube initially forms.  
*'''cardiogenic region''' - region above prechordal plate in mesoderm where heart tube initially forms.  


'''ectoderm''' - the layer (of the 3 germ cell layers) which form the nervous system from the neural tube and neural crest and also generates the epithelia covering the embryo.  
*'''ectoderm''' - the layer (of the 3 germ cell layers) which form the nervous system from the neural tube and neural crest and also generates the epithelia covering the embryo.  


'''endoderm''' - the layer (of the 3 germ cell layers) which form the epithelial lining of the gastrointestinal tract (GIT) and accessory organs of GIT in the embryo.  
*'''endoderm''' - the layer (of the 3 germ cell layers) which form the epithelial lining of the gastrointestinal tract (GIT) and accessory organs of GIT in the embryo.  


'''endocardium''' - lines the heart. Epithelial tissue lining the inner surface of heart chambers and valves.  
*'''endocardium''' - lines the heart. Epithelial tissue lining the inner surface of heart chambers and valves.  


'''endothelial cells''' - single layer of cells closest to lumen that line blood vessels.  
*'''endothelial cells''' - single layer of cells closest to lumen that line blood vessels.  


'''extraembryonic mesoderm''' - mesoderm lying outside the trilaminar embryonic disc covering the yolk sac, lining the chorionic sac and forming the connecting stalk. Contributes to placental villi development.
*'''extraembryonic mesoderm''' - mesoderm lying outside the trilaminar embryonic disc covering the yolk sac, lining the chorionic sac and forming the connecting stalk. Contributes to placental villi development.


'''haemocytoblasts''' - stem cells for embryonic blood cell formation.  
*'''haemocytoblasts''' - stem cells for embryonic blood cell formation.  


'''anastomose''' - to connect or join by a connection (anastomosis) between tubular structures.
*'''anastomose''' - to connect or join by a connection (anastomosis) between tubular structures.


'''chorionic villi''' - the finger-like extensions which are the functional region of the placental barrier and maternal/fetal exchange. Develop from week 2 onward as: primary, secondary, tertiary villi.  
*'''chorionic villi''' - the finger-like extensions which are the functional region of the placental barrier and maternal/fetal exchange. Develop from week 2 onward as: primary, secondary, tertiary villi.  


'''estrogens''' - support the maternal endometrium.
*'''estrogens''' - support the maternal endometrium.
'''growth factor''' - usually a protein or peptide that will bind a cell membrane receptor and then activates an intracellular signaling pathway. The function of the pathway will be to alter the cell directly or indirectly by changing gene expression. (eg VEGF, shh)


'''maternal decidua''' - region of uterine endometrium where blastocyst implants. undergoes modification following implantation, decidual reaction.
*'''growth factor''' - usually a protein or peptide that will bind a cell membrane receptor and then activates an intracellular signaling pathway. The function of the pathway will be to alter the cell directly or indirectly by changing gene expression. (eg VEGF, shh)


'''maternal sinusoids''' - placental spaces around chorionic villi that are filled with maternal blood. Closest maternal/fetal exchange site.
* '''intra-aortic hematopoietic cluster''' - (IAHC) blood stem cells associated with the endothelial layer of aorta and large arteries.


'''mesoderm''' - the middle layer of the 3 germ cell layers of the embryo. Mesoderm outside the embryo and covering the amnion, yolk and chorion sacs is extraembryonic mesoderm.  
*'''maternal decidua''' - region of uterine endometrium where blastocyst implants. undergoes modification following implantation, decidual reaction.  


'''myocardium '''- muscular wall of the heart. Thickest layer formed by spirally arranged cardiac muscle cells.  
*'''maternal sinusoids''' - placental spaces around chorionic villi that are filled with maternal blood. Closest maternal/fetal exchange site.


'''pericardium''' - covers the heart. Formed by 3 layers consisting of a fibrous pericardium and a double layered serous pericardium (parietal layer and visceral epicardium layer).  
* '''Megakaryocytopoiesis''' - the process of bone marrow progenitor cells developMENT into mature megakaryocytes.


'''pharyngeal arches''' (=branchial arches, Gk. gill) series of cranial folds that form most structures of the head and neck. Six arches form but only 4 form any structures. Each arch has a pouch, membrane and groove.  
*'''mesoderm''' - the middle layer of the 3 germ cell layers of the embryo. Mesoderm outside the embryo and covering the amnion, yolk and chorion sacs is extraembryonic mesoderm.  


'''placenta''' - (Greek, ''plakuos'' = flat cake) refers to the discoid shape of the placenta, embryonic (villous chorion)/maternal organ (decidua basalis)
*'''myocardium '''- muscular wall of the heart. Thickest layer formed by spirally arranged cardiac muscle cells.


'''placental veins''' - paired initially then only left at end of embryonic period, carry oxygenated blood to the embryo (sinus venosus).
*'''pericardium''' - covers the heart. Formed by 3 layers consisting of a fibrous pericardium and a double layered serous pericardium (parietal layer and visceral epicardium layer).  


'''protein hormone''' - usually a protein distributed in the blood that binds to membrane receptors on target cells in different tissues. Do not easliy cross placental barrier.
*'''pericytes''' - (Rouget cells) cells located at the abluminal surface of microvessels close to endothelial cells, mainly found associated with CNS vessels and involved in vessel formation, remodeling and stabilization.


'''sinus venosus''' - cavity into which all major embryonic paired veins supply (vitelline, placental, cardinal).
*'''pharyngeal arches''' (=branchial arches, Gk. gill) series of cranial folds that form most structures of the head and neck. Six arches form but only 4 form any structures. Each arch has a pouch, membrane and groove.  
'''splanchnic mesoderm''' - portion of lateral plate mesoderm closest to the endoderm when coelom forms.  


'''steroid hormone''' - lipid soluble hormone that easily crosses membranes to bind receptors in cytoplasm or nucleus of target cells. Hormone+Receptor then binds DNA activating or suppressing gene transcription. Easliy cross placental barrier.
*'''placenta''' - (Greek, ''plakuos'' = flat cake) refers to the discoid shape of the placenta, embryonic (villous chorion)/maternal organ (decidua basalis)


'''syncitiotrophoblast''' extraembryonic cells of trophoblastic shell surrounding embryo, outside the cytotrophoblast layer, involved with implantation of the blastocyst by eroding extracellular matrix surrounding maternal endometrial cells at site of implantation, also contribute to villi. (dark staining, multinucleated).
*'''placental veins''' - paired initially then only left at end of embryonic period, carry oxygenated blood to the embryo (sinus venosus).


'''truncus arteriosus''' - an embryological heart outflow structure, that forms in early cardiac development and will later divides into the pulmonary artery and aorta. Term is also used clinically to describe the malformation where only one artery arises from the heart and forms the aorta and pulmonary artery.
*'''protein hormone''' - usually a protein distributed in the blood that binds to membrane receptors on target cells in different tissues. Do not easliy cross placental barrier.


'''vascular endothelial growth factor''' - (VEGF) protein growth factor family that stimulates blood vessel growth, a similar factor can be found in the placenta (PIGF).  
*'''sinus venosus''' - cavity into which all major embryonic paired veins supply (vitelline, placental, cardinal).  


'''vitelline blood vessels''' - blood vessels associated with the yolk sac.  
*'''splanchnic mesoderm''' - portion of lateral plate mesoderm closest to the endoderm when coelom forms.  


'''waste products''' - products of cellular metabolism and cellular debris, e.g.- urea, uric acid, bilirubin.
*'''steroid hormone''' - lipid soluble hormone that easily crosses membranes to bind receptors in cytoplasm or nucleus of target cells. Hormone+Receptor then binds DNA activating or suppressing gene transcription. Easliy cross placental barrier.  


*'''syncitiotrophoblast''' extraembryonic cells of trophoblastic shell surrounding embryo, outside the cytotrophoblast layer, involved with implantation of the blastocyst by eroding extracellular matrix surrounding maternal endometrial cells at site of implantation, also contribute to villi. (dark staining, multinucleated).
*'''truncus arteriosus''' - an embryological heart outflow structure, that forms in early cardiac development and will later divides into the pulmonary artery and aorta. Term is also used clinically to describe the malformation where only one artery arises from the heart and forms the aorta and pulmonary artery.
*'''vascular endothelial growth factor''' - (VEGF) A secreted protein growth factor family, which stimulates the proliferation of vasular endotheial cells and therefore blood vessel growth. VEGF's have several roles in embryonic development. The VEGF family has 7 members (VEGF-A, VEGF-B, VEGF-C, VEGF-D, VEGF-E, VEGF-F, and PlGF) that have a common VEGF homology domain. PIGF is the placental growth factor. They act through 3 VEGF tyrosine kinase membrane receptors (VEGFR-1 to 3) with seven immunoglobulin-like domains in the extracellular domain, a single transmembrane region, and an intracellular tyrosine kinase sequence.
*'''vasculogenesis''' - the formation of new blood vessels from mesoderm forming  the endothelium. Compared to angiogenesis that is the process of blood vessel formation from pre-existing vessels.
*'''vitelline blood vessels''' - blood vessels associated with the yolk sac.
*'''waste products''' - products of cellular metabolism and cellular debris, e.g.- urea, uric acid, bilirubin.
|}
{{Terms lists}}<noinclude>[[Category:Bone]][[Category:Terms]][[Category:Glossary]][[Category:Template]]</noinclude>
{{Terms lists}}<noinclude>[[Category:Bone]][[Category:Terms]][[Category:Glossary]][[Category:Template]]</noinclude>

Latest revision as of 14:42, 6 April 2019

Cardiovascular Terms  
Cardiovascular System Development See also Heart terms, Immune terms and Blood terms.
  • angioblast - the stem cells in blood islands generating endothelial cells which will form the walls of both arteries and veins. (More? Blood Vessel)
  • angiogenesis - the formation of new blood vessels from pre-existing vessels following from vasculogenesis in the embryo. (More? Blood Vessel)
  • anlage (German, anlage = primordium) structure or cells which will form a future more developed or differentiated adult structure.
  • blood islands - earliest sites of blood vessel and blood cell formation, seen mainly on yolk sac chorion.
  • cardinal veins - paired main systemic veins of early embryo, anterior, common, posterior.
  • cardiogenic region - region above prechordal plate in mesoderm where heart tube initially forms.
  • ectoderm - the layer (of the 3 germ cell layers) which form the nervous system from the neural tube and neural crest and also generates the epithelia covering the embryo.
  • endoderm - the layer (of the 3 germ cell layers) which form the epithelial lining of the gastrointestinal tract (GIT) and accessory organs of GIT in the embryo.
  • endocardium - lines the heart. Epithelial tissue lining the inner surface of heart chambers and valves.
  • endothelial cells - single layer of cells closest to lumen that line blood vessels.
  • extraembryonic mesoderm - mesoderm lying outside the trilaminar embryonic disc covering the yolk sac, lining the chorionic sac and forming the connecting stalk. Contributes to placental villi development.
  • haemocytoblasts - stem cells for embryonic blood cell formation.
  • anastomose - to connect or join by a connection (anastomosis) between tubular structures.
  • chorionic villi - the finger-like extensions which are the functional region of the placental barrier and maternal/fetal exchange. Develop from week 2 onward as: primary, secondary, tertiary villi.
  • estrogens - support the maternal endometrium.
  • growth factor - usually a protein or peptide that will bind a cell membrane receptor and then activates an intracellular signaling pathway. The function of the pathway will be to alter the cell directly or indirectly by changing gene expression. (eg VEGF, shh)
  • intra-aortic hematopoietic cluster - (IAHC) blood stem cells associated with the endothelial layer of aorta and large arteries.
  • maternal decidua - region of uterine endometrium where blastocyst implants. undergoes modification following implantation, decidual reaction.
  • maternal sinusoids - placental spaces around chorionic villi that are filled with maternal blood. Closest maternal/fetal exchange site.
  • Megakaryocytopoiesis - the process of bone marrow progenitor cells developMENT into mature megakaryocytes.
  • mesoderm - the middle layer of the 3 germ cell layers of the embryo. Mesoderm outside the embryo and covering the amnion, yolk and chorion sacs is extraembryonic mesoderm.
  • myocardium - muscular wall of the heart. Thickest layer formed by spirally arranged cardiac muscle cells.
  • pericardium - covers the heart. Formed by 3 layers consisting of a fibrous pericardium and a double layered serous pericardium (parietal layer and visceral epicardium layer).
  • pericytes - (Rouget cells) cells located at the abluminal surface of microvessels close to endothelial cells, mainly found associated with CNS vessels and involved in vessel formation, remodeling and stabilization.
  • pharyngeal arches (=branchial arches, Gk. gill) series of cranial folds that form most structures of the head and neck. Six arches form but only 4 form any structures. Each arch has a pouch, membrane and groove.
  • placenta - (Greek, plakuos = flat cake) refers to the discoid shape of the placenta, embryonic (villous chorion)/maternal organ (decidua basalis)
  • placental veins - paired initially then only left at end of embryonic period, carry oxygenated blood to the embryo (sinus venosus).
  • protein hormone - usually a protein distributed in the blood that binds to membrane receptors on target cells in different tissues. Do not easliy cross placental barrier.
  • sinus venosus - cavity into which all major embryonic paired veins supply (vitelline, placental, cardinal).
  • splanchnic mesoderm - portion of lateral plate mesoderm closest to the endoderm when coelom forms.
  • steroid hormone - lipid soluble hormone that easily crosses membranes to bind receptors in cytoplasm or nucleus of target cells. Hormone+Receptor then binds DNA activating or suppressing gene transcription. Easliy cross placental barrier.
  • syncitiotrophoblast extraembryonic cells of trophoblastic shell surrounding embryo, outside the cytotrophoblast layer, involved with implantation of the blastocyst by eroding extracellular matrix surrounding maternal endometrial cells at site of implantation, also contribute to villi. (dark staining, multinucleated).
  • truncus arteriosus - an embryological heart outflow structure, that forms in early cardiac development and will later divides into the pulmonary artery and aorta. Term is also used clinically to describe the malformation where only one artery arises from the heart and forms the aorta and pulmonary artery.
  • vascular endothelial growth factor - (VEGF) A secreted protein growth factor family, which stimulates the proliferation of vasular endotheial cells and therefore blood vessel growth. VEGF's have several roles in embryonic development. The VEGF family has 7 members (VEGF-A, VEGF-B, VEGF-C, VEGF-D, VEGF-E, VEGF-F, and PlGF) that have a common VEGF homology domain. PIGF is the placental growth factor. They act through 3 VEGF tyrosine kinase membrane receptors (VEGFR-1 to 3) with seven immunoglobulin-like domains in the extracellular domain, a single transmembrane region, and an intracellular tyrosine kinase sequence.
  • vasculogenesis - the formation of new blood vessels from mesoderm forming the endothelium. Compared to angiogenesis that is the process of blood vessel formation from pre-existing vessels.
  • vitelline blood vessels - blood vessels associated with the yolk sac.
  • waste products - products of cellular metabolism and cellular debris, e.g.- urea, uric acid, bilirubin.
Other Terms Lists  
Terms Lists: ART | Birth | Bone | Cardiovascular | Cell Division | Endocrine | Gastrointestinal | Genital | Genetic | Head | Hearing | Heart | Immune | Integumentary | Neonatal | Neural | Oocyte | Palate | Placenta | Radiation | Renal | Respiratory | Spermatozoa | Statistics | Tooth | Ultrasound | Vision | Historic | Drugs | Glossary