Term
|
Definition
Muscular, membranous tube.
a) Thin vaginal walls:
b) Rugae/ridges:
c) Acidic (pH 4.5), moist |
|
|
Term
|
Definition
Muscular and thick. Shaped like an
upside down pear. Lies between the bladder and
the rectum. |
|
|
Term
|
Definition
|
|
Term
|
Definition
Three layers: perimetium,
myometrium, endometrium |
|
|
Term
Uterine Corpus
Perimetium |
|
Definition
|
|
Term
|
Definition
|
|
Term
Uterine Corpus
Endometrium |
|
Definition
|
|
Term
|
Definition
lower cylindrical portion
guards the opening of the uterus,
cervical mucous |
|
|
Term
|
Definition
|
|
Term
|
Definition
1. Autonomic nervous system.
2. Sensory and motor levels in the nerve S2-S4
roots are separate. |
|
|
Term
|
Definition
| Is to nourish and provide a safe place for a fetus before it is born. |
|
|
Term
FALLOPIAN TUBES/UTERINE TUBES:
3 parts |
|
Definition
1. the isthmus (straight and narrow)
2. ampulla (outer third)
3. fimbria (funnel shaped with fingers
that catch the ovum). |
|
|
Term
|
Definition
|
|
Term
|
Definition
(outer third)
Is where fertilization takes place |
|
|
Term
|
Definition
(funnel shaped with fingers
that catch the ovum). |
|
|
Term
|
Definition
almond shaped and on either side of
the pelvis.
a) Composed of 3 layers:
i) tunica albuginea,
ii) cortex and
iii) medulla |
|
|
Term
|
Definition
Three Innominate bones: Circular structure:
a) ilium (broad upper part of hip),
b) ischium (strongest bone, under the
ilium) ischial spines** ( shortes diameter between ischial spines used to measure station.pubis: symphysis pubis: pubic arch |
|
|
Term
|
Definition
(shortest
diameter between ischial spines –
used to measure station) |
|
|
Term
|
Definition
b) Sacrum (5 vertebrae fused)
Coccyx (last bone of vertebral column) |
|
|
Term
|
Definition
c) Sacroiliac joints
d) Pelvic cavity: False Pelvis/True pelvis |
|
|
Term
|
Definition
1) Gynaecoid
2) Platypelloid
3) Android
4) anthropoid |
|
|
Term
a)FERTILIZATION: FUSION OF THE
SPERM AND OVUM |
|
Definition
| Usually within 12 hours of ovulation |
|
|
Term
b)FERTILIZATION: FUSION OF THE
SPERM AND OVUM |
|
Definition
Ovum: Female gamete – carries 23
chromosomes from female plus an X
chromosome
1) Fertile for approximately 12 to 24 hours
2) Zona pellucida:
3) Corona radiata: |
|
|
Term
3)FERTILIZATION: FUSION OF THE
SPERM AND OVUM |
|
Definition
Sperm: Male gamete – carries 23
chromosomes from male plus an X or Y
chromosome
i) 200 to 400 MILLION sperm ejaculated
ii) Swim up uterine tubes (fallopian), only a
few hundred sperm make it to the ovum.
iii) Fertilization usually occurs in the
ampulla
iv) Sperm life span 24 – 48 hours.
v) The sperm must undergo two processes:
(1) Capacitation:
(2) Acrosomal reaction: |
|
|
Term
FERTILIZATION: FUSION OF THE
SPERM AND OVUM
Fertilization: |
|
Definition
i) Sperm and ovum fuse = zygote
ii) Diploid number of chromosomes (46),
the 23rd pair is the sex chromosome and
will be either XX or XY.
iii) Nuclei of the ovum and sperm “unite” |
|
|
Term
Multiples:
Dizogotic/Fraternal/Nonidentical twins |
|
Definition
(1) Two separate ova and sperm
(2) Most common kind of twins (2/3 of
all twin births)
(3) Usually have separate placentas and
membranes |
|
|
Term
Multiples:
Monozygotic/Identical twins |
|
Definition
(1) Single zygote which divides into two
separate embryos
(2) Not a genetic trait, but happens
“randomly”
(3) Incidence 3:1000
(4) Most often share placenta, but have
own membranes |
|
|
Term
ESTIMATED DATE OF BIRTH (EDB)
VERSUS POST CONCEPTION AGE |
|
Definition
i) EDB:
ii) Post conception age: |
|
|
Term
|
Definition
40 weeks.
Is the due date from your first day of your last menstrual until the baby is born. |
|
|
Term
|
Definition
38 weeks
How long it has been since fertilization (Milestone for kids) |
|
|
Term
|
Definition
The preembryonic
stage or stage of the ovum (1 – 14
days) |
|
|
Term
1. EARLY CELL DIVISION
Cleavage |
|
Definition
(rapid mitotic division) begins at
18 – 24 hours from time of fertilization.
Resulting in new cells called blastomeres |
|
|
Term
2.EARLY CELL DIVISION:
Morula |
|
Definition
(collection of blastomeres):
Things start to rearrange and implantation.
(nidation) occurs: |
|
|
Term
EARLY CELL DIVISION:
a)Blastocyst: |
|
Definition
Implants into uterine wall at 7 – 9
days of gestation
(2) Made up of the solid inner mass of
cells |
|
|
Term
EARLY CELL DIVISION:
b) Trophoblast: |
|
Definition
(1) Outer layer and replaces the zona
pellucida
(2) Trophoblast cells erode the uterine
lining and form the little pockets
called lacunae |
|
|
Term
|
Definition
(3) Once implanted, the trophoblast is
called the CHORION – one of the
two embryonic membranes.
(a) Important: the
trophoblast/chorion excretes hCG
(human chorionic gonadotropin)
which maintains corpus luteum.
(b) Early Pregnancy Factor (EPF): |
|
|
Term
|
Definition
(1) Upper part of the posterior uterus
(2) The uterine lining thickens
(3) CHORIONIC VILLI
(4) Vascularity or the uterus increases
(5) DECIDUA |
|
|
Term
| EMBRYONIC STAGE (2 – 8 weeks) |
|
Definition
a) Embryo
b) EMBRYONIC MEMBRANES
c) MAJOR MILESTONES OF
EMBRYONIC GROWTH
d) CRITICAL PERIOD FOR
DEVELOPING EMBRYO (FIRST 8
WEEKS) |
|
|
Term
a) EMBRYO
EMBRYONIC STAGE (2 – 8 weeks) |
|
Definition
i) Embryonic disk
ii) Germs layers form and begin to
differentiate. All tissues, organs and
organ systems will develop from these
layers
iii) Summary of germ layers and what they
will become |
|
|
Term
|
Definition
(a) DERMIS OF SKIN
(b) CIRCULATORY SYSTEM
(c) MUSCLE
(d) BONES (EXCEPT FACIAL) |
|
|
Term
(2) ENDODERM:
EMBRYONIC STAGE (2 – 8 weeks) |
|
Definition
(a) LINING OF GI TRACT
(b) LINING OF LUNGS
(c) KIDNEY DUCTS AND
BLADDER
(d) THYMUS
(e) THYROID
(f) TONSILS |
|
|
Term
(3) ECTODERM:
EMBRYONIC STAGE (2 – 8 weeks) |
|
Definition
(a) EPIDERMIS OF SKIN
(b) TOOTH ENAMEL
(c) LENS AND CORNEA OF THE
EYE
(d) OUTER EAR
(e) BRAIN AND SPINAL CORD
(f) FACIAL BONES
g) SKELETAL MUSCLES IN THE
HEADES |
|
|
Term
EARLY CELL DIVISION: The preembryonic
stage or stage of the ovum (1 – 14
days)
BODY STALK. |
|
Definition
During this period the embryo is
developing a more human appearance
Embryonic circulation intact by 17 days |
|
|
Term
| EMBRYONIC STAGE (2 – 8 weeks)EMBRYONIC MEMBRANES |
|
Definition
i) Forming at the same time as the germ
layers are differentiating
ii) The first and outer most membrane, the
CHORION:
iii) The second membrane to form is the
AMNION:
iv) Amniotic sac or the bag of waters. |
|
|
Term
EMBRYONIC STAGE (2 – 8 weeks)
MAJOR MILESTONES OF
EMBRYONIC GROWTH: |
|
Definition
Refer to page
76 in text for complete table.
i) 2-3 weeks - blood circulating
ii) 4th week - neural tube closes anterior and
posterior to form brain and spinal cord,
limb buds, tubular heart beats.
iii) 7th week – heart beat detected,
differentiation of sex glands
iv) 8th week – ossification and muscle
development begins, heart completely
formed |
|
|
Term
EMBRYONIC STAGE (2 – 8 weeks)
CRITICAL PERIOD FOR
DEVELOPING EMBRYO (FIRST 8
WEEKS) |
|
Definition
i) Teratogens:
(1) Fetal and maternal genetics
(2) Stage of development when exposure
occurs
(3) Dose and duration of exposure to
teratogen
ii) Maternal environment:
(1) Maternal nutrition
(2) Hyperthermia |
|
|
