Maternal Child Nursing Care Ch. 6
Maternal Child Nursing Care Ch. 6
Maternal Child Nursing Care Ch. 6
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Flashcards
Union of a single egg and sperm. It marks the beginning of a pregnancy.
Conception
Male and Female germ cell
Gametes
Male germ cell
sperm
Female germ cell
Ovum
Process whereby gametes are formed and mature
Gametogenesis
For the male, the process whereby gametes are formed and mature is called...
Spermatogenesis
For the female the process whereby gametes are formed and mature is called...
oogenesis
Process of penetration of the membrane surrounding the ovem by a sperm...
Fertilization
the process of penetration of the membrane surrounding the ovem by a sperm takes place in the ...... of the uterine tube.
Ampulla (outer third)
After penetration of the membrane surrounding the ovum, the membrane becomes impenetrable to ther sperm, a process termed...
zona reaction
The..... number of chromosomes is restored when this union of sperm and ovem occurs
Diploid (46)
....THe first cell of the new individual
Zygote
Within 3 days the first cell of the new individual becomes a 16-cell solid ball of cells called a...
Morula
The 16-cell solid ball of cells becomes konwn as the....when a cavity becomes recognizale within it.
Blastocyst
The outer layer of cells surrounding the cavity developed around the 16-cell ball of cells is called the...
Trophoblast
Attachment process whreby the blastocyst burrows into the endometrium
Implantation
......Or fingerlike projeections develop out of the trophoblast and extend into the blood filled spaces of the uterine lining.
Chorionic villi
The uterine lining is called the... after fingerlike projections develop out of the trophoblast and extend into the blood filled spaces of the uterine lining.
Decidua
Upon the blastocyst burrowing into the endometrium, the portion of this lining durectly UNDER the blastocyst is called the...and the portion of this lining that COVERS the blastocyst is called the...
Decidua basalis; Decidua capsularis
The term that refers tho the developing baby from day 15 until about 8 weeks after conception
Embryo
The term that refers to the developing baby from 9 weeks of estation to the end of pregnancy
Fetus
Membranes that surround the developing baby and the fluid.
Amniotic membranes
The ... is the outer layer of the membranes that surround the developing baby and the fluid and becomes the covering of the fetal side of the placenta.
Chorion
The ... is the inner layer of the membranes that surround the developing baby and the fluid
Amnion
The structure that connects the developing baby to the placenta
Umbilical cord
The strucutre that connects the developing baby to the placenta contains three vessels. Namely 2 and 1...
2: Arteries and Vein. 1: Wharton's jelly
The structure that is composed of 15 to 20 lobes called cotyledons
Placenta
The structure that is composed of 15 to 20 lobes produces....
hormones
The structure that is composed of 15 to 20 lobes that produces hormones essential to maintain pregnancy supplies ________ and _______...
oxygen and nutrients
The hormones of the placenta also remove _____ and _____....
wastes and carbon dioxide
Capability of fetus to survive outside the uterus
Viability
Surface-active phospholipid that needs to be present in fetal/newborn lungs to facilitate breathing after birth
Pulmonary surfactants
This ratio can be performed using amniotic fluid as one means of determining the degree to which this phospholipid is present in fetal lungs
lecithin-sphingomyelin
Special circulatory pathway that allows fetal blood to bypass the lungs
Ductus arteriosus
Shunt that allows most of the fetal blood to bypass the liver and pass into the inferior vena cava
Ductus venosus
Opening between the fetal atria
Foramen ovale
Formation of blood
Hematopoiesis
Maternal perception of fetal movement that occurs sometime between 16 to 20 weeks of gestation
Quickening
Dark green to black tarry substacne that contains fetal waste products. It accumulates in the fetal intestines.
Meconium
Twins that are formed from two zygotes
Dizygotic
