In which trimester does the following occur A sac called a placenta forms around the embryo and is connected to the embryo with an umbilical cord.?

In which trimester does the following occur A sac called a placenta forms around the embryo and is connected to the embryo with an umbilical cord.?
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The structure which helps in the nutrition of the Embryo is – (1) Yolk sac (2) Amniotic membrane (3) Crypts (4) Placenta

Description : The structure which helps in the nutrition of the Embryo is – (1) Yolk sac (2) Amniotic membrane (3) Crypts (4) Placenta

Last Answer : (1) Yolk sac Explanation: The yolk sac is a membranous sac attached to an embryo, providing early nourishment. It functions as the developmental circulatory system of the human embryo, ... It carries out transfer of nutrients in weeks 2 and 3 when the uteroplacental circulation is established

The structure which helps in the nutrition of the Embryo is (1) Yolk sac (2) Amniotic membrane (3) Crypts (4) Placenta

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Last Answer : Yolk sac 

what is umbilical cord connected to in the baby

Description : what is umbilical cord connected to in the baby

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(i) When and how does placenta develop in human female? (ii)How is the placenta connected to the embryo? (iii)Placenta acts as an endocrine gland. Explain. -Biology

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Last Answer : (i)Development of placenta in human female After implantation of blastocyst, the finger-like projections called chorionic villi, appear on the trophoblast and is surrounded by uterine tissue and ... Chorionic Gonadotropin) (b) hPL (human Placental Lactogen) (c) Oestrogens (d) Progesteronem

Do you think umbilical cord storage is a bliss ?

Description : Do you think umbilical cord storage is a bliss ?

Last Answer : Yes, it is worth it to store umbilical cord blood stem cell banking. New parents are beginning to bank their baby's cord blood cells in the hope that they can be used to treat serious ... up using it for their own treatment Best company for both public and private banking is StemCyte India.

Umbilical cord contains

Description : Umbilical cord contains

Last Answer : Umbilical cord contains A. Umbilicus B. Placenta C. Discus proligerus D. Allantoic artery and vein.

Storing Umbilical Cord Blood?

Description : Storing Umbilical Cord Blood?

Last Answer : Anticipating the birth of a child is an exciting and joyfultime. Expectant parents eagerly look forward to holding their newbaby and begin making important decisions that will follow theirchild for a lifetime. ... have many medical uses and can be used in thetreatment or cure of many devastating di

Who do you contact about umbilical cord blood collection?

Description : Who do you contact about umbilical cord blood collection?

Last Answer : You can contact your local blood sample who are mostly private and they can help you get more information about umbilical cord blood collection. They can get you prices as well as proper storage for this particular type of blood.

What are the advantages of storing umbilical cord blood?

Description : What are the advantages of storing umbilical cord blood?

Last Answer : Storing umbilical cord blood is more of a precautionary measure in case your child should ever need a bone marrow transplant. This is especially important if your family has a history of diseases that ... the cord blood could possibly used for healthy red and white blood cells at a later date.

How do they store umbilical cord blood and how long is it good for?

Description : How do they store umbilical cord blood and how long is it good for?

Last Answer : Storing umbilical cord blood is called cord blood banking. This process includes collection of the blood, processing, and storing the blood frozen to be used in the future. By using this method, umbilical cord blood is supposed to remain good indefinitely.

Kids-Umbilical cord?

Description : Kids-Umbilical cord?

Last Answer : When the baby is in the mother's uterus, it can't eat or breathe on its own, so it needs some help. The baby has a little tube that goes to its middle called the umbilical ... FACOG, Obstetrics & Gynecology in Private Practice, West Palm Beach, FL. Review provided by VeriMed Healthcare Network.

What is the function of the umbilical cord ?

Description : What is the function of the umbilical cord ?

Last Answer : The umbilical cord is a set of blood vessels that connect the fetus with the placenta. In the fetus, one extremity of the cord inserts into the center of the abdominal wall (the later scar of this insertion is the umbilicus).

The nutritive tissue around the embryo in seed is a. Endosmosis b. Endodermis c. Endosperm d. Embryo-sac

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Description : Why is the embryo sac called the female gametophyte? -Biology

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Can an umbilical hernia occur without a visible bulge?

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Describe the post-zygotic events leading to implantation and placenta formation in humans. Mention any two functions of placenta. [All India 2010] or Explain the process of fertilisation in human female and trace the post-fertilisation events in a sequential order up to implantation of the embryo. [Foreign 2010] -Biology

Description : Describe the post-zygotic events leading to implantation and placenta formation in humans. Mention any two functions of placenta. [All India 2010] or Explain the process of fertilisation in human female ... events in a sequential order up to implantation of the embryo. [Foreign 2010] -Biology

Last Answer : Post-zygotic events leading to implantation and placenta formation. After implantation of blastocyst, the finger-like projections called chorionic villi, appear on the trophoblast and is surrounded by ... acts as an endocrine gland and secretes hormones like hPL, hCG, oestrogen and progesterone.

Excretory products of mammalian embryo are eliminated out by - (1) Placenta (2) Amniotic fluid (3) Allantois (4) Ureter

Description : Excretory products of mammalian embryo are eliminated out by - (1) Placenta (2) Amniotic fluid (3) Allantois (4) Ureter

Last Answer : (1) Placenta Explanation: The placenta is an organ that connects the developing fetus to the uterine wall to allow nutrient uptake, waste elimination, and gas exchange via the mother's blood ... are also found in some snakes and lizards with yawing levels of development up to mammalian levels.

Which one of the following is not the function of placenta? (a) Facilitates removal of carbon dioxide and waste material from embryo (b) Secretes oxytocin during parturition (c) Facilitates supply of oxygen and nutrients to embryo (d) Secretes estrogen

Description : Which one of the following is not the function of placenta? (a) Facilitates removal of carbon dioxide and waste material from embryo (b) Secretes oxytocin during parturition (c) Facilitates supply of oxygen and nutrients to embryo (d) Secretes estrogen

Last Answer : (b) Secretes oxytocin during parturition

What structure attaches the embryo to the placenta?

Description : What structure attaches the embryo to the placenta?  

Last Answer : ANSWER: UMBILICAL CORD

The placenta in humans is derived from the: a) embryo only b) uterus only c) endometrium and embryo d) none of the above

Description : The placenta in humans is derived from the: a) embryo only b) uterus only c) endometrium and embryo d) none of the above

Last Answer : ANSWER: C -- ENDOMETRIUM AND EMBRYO 

Excretory products of mammalian embryo are eliminated out by (1) Placenta (2) Amniotic fluid (3) Allantois (4) Ureter

Description : Excretory products of mammalian embryo are eliminated out by (1) Placenta (2) Amniotic fluid (3) Allantois (4) Ureter

Last Answer : Placenta

What is embryo sac in plants? -Biology

Description : What is embryo sac in plants? -Biology

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What is the function of embryo sac in plant? -Biology

Description : What is the function of embryo sac in plant? -Biology

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what is the function of the polar nucleus in an embryo sac? -Biology

Description : what is the function of the polar nucleus in an embryo sac? -Biology

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Nutrition of embryo sac? -Biology

Description : Nutrition of embryo sac? -Biology

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Structure of the embryo sac? -Biology

Description : Structure of the embryo sac? -Biology

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Difference between ovule and embryo sac. -Biology

Description : Difference between ovule and embryo sac. -Biology

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What is the egg cell in the embryo sac? -Biology

Description : What is the egg cell in the embryo sac? -Biology

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Difference between ovule and embryo sac? -Biology

Description : Difference between ovule and embryo sac? -Biology

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Structure of the embryo sac? -Biology

Description : Structure of the embryo sac? -Biology

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Difference between ovule and embryo sac. -Biology

Description : Difference between ovule and embryo sac. -Biology

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What is the egg cell in the embryo sac? -Biology

Description : What is the egg cell in the embryo sac? -Biology

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Difference between ovule and embryo sac? -Biology

Description : Difference between ovule and embryo sac? -Biology

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Difference between ovary and embryo sac in flowers -Biology

Description : Difference between ovary and embryo sac in flowers -Biology

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Mention the component cells of an embryo sac of angiosperms -Biology

Description : Mention the component cells of an embryo sac of angiosperms -Biology

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Difference between ovary and embryo sac in flowers -Biology

Description : Difference between ovary and embryo sac in flowers -Biology

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Mention the component cells of an embryo sac of angiosperms -Biology

Description : Mention the component cells of an embryo sac of angiosperms -Biology

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In polygonum type of embryo sac, the cells are

Description : In polygonum type of embryo sac, the cells are

Last Answer : In polygonum type of embryo sac, the cells are A. Haploid B. Diploid C. Both A and B D. Poiyploid

The ovule in which embryo sac become horse shoe shaped in: (a) Amphitropous (b) Camphylotropous (c) Orthotropous (d) Anatropous Ans. (a) ......................................................---------------------------......................................................................... BOTANY PRACTICE TEST SAMPLE QUESTIONS 1. Caruncle develops-from: (a) Outer integument (b) Ctyledon (c) Funiculus (d) Inner integuments

Description : The ovule in which embryo sac become horse shoe shaped in: (a) Amphitropous (b) Camphylotropous (c) Orthotropous (d) Anatropous Ans. (a) .................................. ... TEST SAMPLE QUESTIONS 1. Caruncle develops-from: (a) Outer integument (b) Ctyledon (c) Funiculus (d) Inner integuments

Last Answer : Ans. ((a))

Embryo sac represents: (a) Megaspore (b) Megagamete (c) Megasporophyll (d) megagametophyte

Description : Embryo sac represents: (a) Megaspore (b) Megagamete (c) Megasporophyll (d) megagametophyte

Last Answer : Ans. ((d))

Which extraembryonic membrane in humans prevents desiccation of the embryo inside the uterus? (a) Yolk sac (b) Amnion (c) Chorion (d) Allantosis

Description : Which extraembryonic membrane in humans prevents desiccation of the embryo inside the uterus? (a) Yolk sac (b) Amnion (c) Chorion (d) Allantosis

Last Answer : (b) Amnion

.In a type of apomixis known as adventive embryony, embryos develop directly from the (a) nucellus or integuments (b) zygote (c) synergids or antipodals in an embryo sac (d) accessory embryo sacs in the ovule

Description : .In a type of apomixis known as adventive embryony, embryos develop directly from the (a) nucellus or integuments (b) zygote (c) synergids or antipodals in an embryo sac (d) accessory embryo sacs in the ovule

Last Answer : (a) nucellus or integuments

Embryo sac occurs in (a) embryo (b) axis part of embryo (c) ovule (d) endosperm.

Description : Embryo sac occurs in (a) embryo (b) axis part of embryo (c) ovule (d) endosperm.

Last Answer : (c) ovule

Which one of the following statements regarding post-fertilisation development in flowering plants is incorrect? (a) Ovules develop into embryo sac. (b) Ovary develops into fruit. (c) Zygote develops into embryo. (d) Central cell develops into endosperm

Description : Which one of the following statements regarding post-fertilisation development in flowering plants is incorrect? (a) Ovules develop into embryo sac. (b) Ovary develops into fruit. (c) Zygote develops into embryo. (d) Central cell develops into endosperm

Last Answer : (a) Ovules develop into embryo sac.

Through which cell of the embryo sac, does the pollen tube enter the embryo sac? (a) Egg cell (b) Persistant synergid (c) Degenerated synergids (d) Central cell

Description : Through which cell of the embryo sac, does the pollen tube enter the embryo sac? (a) Egg cell (b) Persistant synergid (c) Degenerated synergids (d) Central cell

Last Answer : c) Degenerated synergids

Female gametophyte of angiosperms is represented by (a) ovule (b) megaspore mother cell (c) embryo sac (d) nucellus.

Description : Female gametophyte of angiosperms is represented by (a) ovule (b) megaspore mother cell (c) embryo sac (d) nucellus.

Last Answer : (c) embryo sac

Point out the odd one. (a) Nucellus (b) Embryo sac (c) Micropyle (d) Pollen grain

Description : Point out the odd one. (a) Nucellus (b) Embryo sac (c) Micropyle (d) Pollen grain

Last Answer : (d) Pollen grain

Ovule is straight with funiculus, embryo sac, chalaza and micropyle lying on one straight line. It is (a) orthotropous (b) anatropous (c) campylotropous (d) amphitropous.

Description : Ovule is straight with funiculus, embryo sac, chalaza and micropyle lying on one straight line. It is (a) orthotropous (b) anatropous (c) campylotropous (d) amphitropous.

Last Answer : a) orthotropous

Embryo sac represents (a) megaspore (b) megagametophyte (c) megasporophyll (d) megagamete.

Description : Embryo sac represents (a) megaspore (b) megagametophyte (c) megasporophyll (d) megagamete.

Last Answer : b) megagametophyte

Eight nucleated embryo sac is (a) only monosporic (b) only bisporic (c) only tetrasporic (d) any of these.

Description : Eight nucleated embryo sac is (a) only monosporic (b) only bisporic (c) only tetrasporic (d) any of these.

Last Answer : (d) any of these.