antenatal part 2 Flashcards
(37 cards)
Release GnRH (Luteinizing Hormone-Releasing
Hormone
HYPOTHALAMUS
Anterior pituitary gland (adenohypophysis) produces 2
hormone
PITUITARY GLAND
maturation
of the ovum
FSH (Follicle Stimulating Hormone)
- responsible for
ovulation & growth of uterine lining
LH (Luteinizing Hormone
Contain primordial cell activated by the FSH to begin to
grow & mature
OVARIES
Menstrual discharges are formed in this organ
UTERUS
Time between the ending of menses and ovulation
PROLIFERATIVE/FOLLICULAR
period after ovulation and before the next menses
SECRETORY/LUTEAL
menstrual flow
MENSES
occurs when the egg is not fertilized
ISCHEMIC
also known as conception and impregnation
FERTILIZATION
First 2 weeks
Pre-embryonic Phas
- a fertilized ovum
Zygote
Weeks 3-8
Embryonic Phase
Weeks 8 though birth
fetal
Contact between the growing structure and uterine endometrium
● Occurs 8 to 10 days after fertilization
● Trophoblast - cells at the outer ring; will l
IMPLANTATION
when blastocyst begins to BRUSH the
endometrial lining
Apposition
when blastocyst begins to SETTLE DOWN the
endometrial lining
Invasion
when blastocyst begins to ATTACH to the
endometrial lining
Adhesion
zmbe
Zygote → Morula → Blastocyst → Embryo
part of the endometrium that lies directly
under the embryo
Decidua basalis
portion of the endometrium that
stretches or encapsulates the surface if the trophoblast
Decidua capsularis
Miniature villi that resembles probing fingers that reach out from
the single layer of cells into the uterine endometrium to begin
formation of the placenta
CHORIONIC VILLI
remaining portion of the uterine lining
Decidua vera -