2010 Lecture 8 - Revision history

Z8600021 at 00:57, 22 April 2013

2013-04-22T00:57:02Z

← Older revision		Revision as of 11:57, 22 April 2013
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	== Nutrition ==		== Nutrition ==
	[[File:Gray0032.~~gif~~\|thumb\|Early implantation]]		[[File:Gray0032.jpg\|thumb\|Early implantation]]
	* [[H#histiotrophic nutrition\|Histiotrophic nutrition]] describes early placental development and the form of intital transfer of nutrition from maternal to embryo.		* [[H#histiotrophic nutrition\|Histiotrophic nutrition]] describes early placental development and the form of intital transfer of nutrition from maternal to embryo.
	* [[H#hemotrophic nutrition\|Hemotrophic nutrition]] describes the later blood-borne nutrition.		* [[H#hemotrophic nutrition\|Hemotrophic nutrition]] describes the later blood-borne nutrition.
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	==Fetal Membranes==		==Fetal Membranes==
	<gallery>		<gallery>
	File:Gray0024.~~gif~~		File:Gray0024.jpg
	File:Gray0025.~~gif~~		File:Gray0025.jpg
	File:Gray0026.~~gif~~		File:Gray0026.jpg
	File:Gray0027.~~gif~~		File:Gray0027.jpg
	</gallery>		</gallery>

	== Placenta at Birth ==		== Placenta at Birth ==
	[[File:Gray0038.~~gif~~\|thumb\|Fetus in utero, between fifth and sixth months]]		[[File:Gray0038.jpg\|thumb\|Fetus in utero, between fifth and sixth months]]
	[[File:Early placental structure.jpg\|thumb\|Early placental structure]]		[[File:Early placental structure.jpg\|thumb\|Early placental structure]]
	* '''Placenta '''(Greek, ''plakuos'' = flat cake)		* '''Placenta '''(Greek, ''plakuos'' = flat cake)
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	==Chorionic Villi==		==Chorionic Villi==
	<gallery>		<gallery>
	File:Gray0036.~~gif~~\|Primary chorionic villi		File:Gray0036.jpg\|Primary chorionic villi
	File:Gray0037.~~gif~~\|Secondary chorionic villi		File:Gray0037.jpg\|Secondary chorionic villi
	File:Placenta anchoring villi.jpg\|Placenta anchoring villi		File:Placenta anchoring villi.jpg\|Placenta anchoring villi
	</gallery>		</gallery>
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	===Chorionoic Villi Location===		===Chorionoic Villi Location===
	[[File:Gray0034.~~gif~~\|thumb]]		[[File:Gray0034.jpg\|thumb]]
	* originally cover entire chorionic surface and become restricted to decidua basalis region forming 2 regions		* originally cover entire chorionic surface and become restricted to decidua basalis region forming 2 regions
	* Frondosum - "leafy" where villi are mainly located		* Frondosum - "leafy" where villi are mainly located
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	==Placental Blood vessels==		==Placental Blood vessels==
	[[File:Gray0039.~~gif~~\|thumb\|Scheme of placental circulation]]		[[File:Gray0039.jpg\|thumb\|Scheme of placental circulation]]

	* form initially in the connecting stalk (then umbilical cord) anastomose in chorioni		* form initially in the connecting stalk (then umbilical cord) anastomose in chorioni

Z3267024: /* Placental Blood vessels */

2010-08-18T04:19:09Z

Placental Blood vessels

← Older revision		Revision as of 15:19, 18 August 2010
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	==Placental Blood vessels==		==Placental Blood vessels==
	[[File:Gray0039.gif\|thumb\|Scheme of placental circulation]]		[[File:Gray0039.gif\|thumb\|Scheme of placental circulation]]
	~~[[File:Placenta spiral artery conversion.jpg\|thumb]]~~
	* form initially in the connecting stalk (then umbilical cord) anastomose in chorioni		* form initially in the connecting stalk (then umbilical cord) anastomose in chorioni
	** extend maternally toward chorionic villi		** extend maternally toward chorionic villi

Z3267024: /* Introduction */

2010-08-18T04:12:47Z

Introduction

← Older revision		Revision as of 15:12, 18 August 2010
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	== Introduction ==		== Introduction ==
	~~LECTURER~~: ~~DR NALINI PATHER~~		<div style="background:#F5FFFA; border: 1px solid #CEF2E0; padding: 1em; margin: auto; width: 90%; float:left;"><div style="margin:0;background-color:#cef2e0;font-family:sans-serif;font-size:120%;font-weight:bold;border:1px solid #a3bfb1;text-align:left;color:#000;padding-left:0.4em;padding-top:0.2em;padding-bottom:0.2em;"> Lecturer : Dr Nalini Pather </div></div>

	[[File:Placental membranes.jpg\|350px\|left\|fetal membranes and placenta]]		[[File:Placental membranes.jpg\|350px\|left\|fetal membranes and placenta]]







	This lecture is an introduction to the development and functions of the placenta.		This lecture is an introduction to the development and functions of the placenta.

Z3267024: /* Placenta at Birth */

2010-08-17T11:47:24Z

Placenta at Birth

← Older revision		Revision as of 22:47, 17 August 2010
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	* covered with amniotic membrane and attached to chorionic plate		* covered with amniotic membrane and attached to chorionic plate
	* umbilical vessels branch into chorionic vessels which anastomose		* umbilical vessels branch into chorionic vessels which anastomose
	[http://www.embryology.ch/anglais/fplacenta/villosite01.html]		[http://www.embryology.ch/anglais/fplacenta/villosite01.html Placenta:fetal and maternal surfaces]

	==Placental Classification==		==Placental Classification==

Z3267024: /* Placenta at Birth */

2010-08-17T11:44:53Z

Placenta at Birth

← Older revision		Revision as of 22:44, 17 August 2010
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	* covered with amniotic membrane and attached to chorionic plate		* covered with amniotic membrane and attached to chorionic plate
	* umbilical vessels branch into chorionic vessels which anastomose		* umbilical vessels branch into chorionic vessels which anastomose
			[http://www.embryology.ch/anglais/fplacenta/villosite01.html]

	==Placental Classification==		==Placental Classification==

Z3267024: /* Introduction */

2010-08-17T11:18:14Z

Introduction

← Older revision		Revision as of 22:18, 17 August 2010
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	== Introduction ==		== Introduction ==
			LECTURER: DR NALINI PATHER

	[[File:Placental membranes.jpg\|350px\|left\|fetal membranes and placenta]]		[[File:Placental membranes.jpg\|350px\|left\|fetal membranes and placenta]]
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	The placenta and placental blood at birth has recently been seen as a new source for stem cells in bone marrow replacement therapy in many diseases. (More? [http://embryology.med.unsw.edu.au/Notes/stemcell4.htm Stem Cells - Cord Blood])		The placenta and placental blood at birth has recently been seen as a new source for stem cells in bone marrow replacement therapy in many diseases. (More? [http://embryology.med.unsw.edu.au/Notes/stemcell4.htm Stem Cells - Cord Blood])

	* '''Lectopia Lecture Audio''' ~~Lecture Date: 18-08-2009 Lecture Time: 12:00 Venue: BioMed E Speaker: Mark Hill [http://lectopia.elearning.unsw.edu.au/ilectures/ilectures.lasso?ut=153&id=48838 Placenta]~~		* '''Lectopia Lecture Audio'''

	== Lecture Objectives ==		== Lecture Objectives ==

Z3267024: /* Chorionic Villi */

2010-08-17T11:17:11Z

Chorionic Villi

← Older revision		Revision as of 22:17, 17 August 2010
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	==Chorionic Villi==		==Chorionic Villi==
	<gallery>		<gallery>
	File:~~Gray0037~~.gif\|Primary chorionic villi		File:Gray0036.gif\|Primary chorionic villi
	File:Gray0037.gif\|Secondary chorionic villi		File:Gray0037.gif\|Secondary chorionic villi
	File:Placenta anchoring villi.jpg\|Placenta anchoring villi		File:Placenta anchoring villi.jpg\|Placenta anchoring villi

Z3267024: /* Placenta at Birth */

2010-08-17T11:15:30Z

Placenta at Birth

← Older revision		Revision as of 22:15, 17 August 2010
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	== Placenta at Birth ==		== Placenta at Birth ==
	[[File:Gray0038.gif\|thumb\|Fetus in utero, between fifth and sixth months]]		[[File:Gray0038.gif\|thumb\|Fetus in utero, between fifth and sixth months]]
			[[File:Early placental structure.jpg\|thumb\|Early placental structure]]
	* '''Placenta '''(Greek, ''plakuos'' = flat cake)		* '''Placenta '''(Greek, ''plakuos'' = flat cake)
	* embryonic/maternal organ		* embryonic/maternal organ

Z3267024: /* Placental Blood vessels */

2010-08-17T11:12:22Z

Placental Blood vessels

← Older revision		Revision as of 22:12, 17 August 2010
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	Veins - paired initially then only left at end of embryonic period, carry oxygenated blood to the embryo (sinus venosus) '''Parturition (Childbirth) Overview'''		Veins - paired initially then only left at end of embryonic period, carry oxygenated blood to the embryo (sinus venosus) '''Parturition (Childbirth) Overview'''


	~~[[File:Placental cord cross-section.jpg\|thumb\|Placental cord cross-section]]~~

	== Fetal Placenta ==		== Fetal Placenta ==

Z3267024: /* Placental Blood vessels */

2010-08-17T11:10:45Z

Placental Blood vessels

← Older revision		Revision as of 22:10, 17 August 2010
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	Veins - paired initially then only left at end of embryonic period, carry oxygenated blood to the embryo (sinus venosus) '''Parturition (Childbirth) Overview'''		Veins - paired initially then only left at end of embryonic period, carry oxygenated blood to the embryo (sinus venosus) '''Parturition (Childbirth) Overview'''


			[[File:Placental cord cross-section.jpg\|thumb\|Placental cord cross-section]]

	== Fetal Placenta ==		== Fetal Placenta ==