Upload
dinhdan
View
267
Download
3
Embed Size (px)
Citation preview
2
EMBRYOLOGY AND ANATOMY:
Moore & Persaud: The developing human- Clinically oriented embryology
EMBRYOLOGY AND ANATOMY:
Moore & Persaud: The developing human- Clinically oriented embryology
6
HISTOLOGY: PLACENTAL DISC- MATERNAL SURFACE
Moore & Persaud: The developing human- Clinically oriented embryology
HISTOLOGY: VILLOUS ARCHITECTURE
7
HISTOLOGY: VILLOUS ARCHITECTURE
Moore & Persaud: The developing human- Clinically oriented embryology
FUNCTIONS OF THE PLACENTA
8
Placental Endocrine Functions : Steroid Hormones
MOTHER PLACENTA FETUS
LDL Cholesterol LDL Cholesterol LDLCholesterol(Blood) (Blood)
Progesterone
DHEAS DHEAS DHEAS(Adrenal) (Adrenal)
Sulfatase3 Beta OH steroid DHAromatase
EstroneEstradiol
Key:DHEAS : Dehydroepiandrosterone sulfate
3 Beta OH steroid DH : 3 beta hydroxy steroid dehydrogenase
Figure modified from: Carr, BR, The maternal-fetal-placental unit. In: Becker KL,ed. Principles and Practice of Endocrinology and Metabolism, 3rd ed. LippincottWilliams & Wilkins, Philadelphia. 2001: 1061.
DEVELOPMENTAL PROBLEMS
9
ECTOPIC IMPLANTATION
Moore & Persaud: The developing human- Clinically oriented embryology
PLACENTA PREVIA & PLACENTA ACCRETA
Moore & Persaud: The developing human- Clinically oriented embryology
11
CORD: VELAMENTOUS INSERTION
Kaplan: Color atlas of gross placental pathology.
ABNORMAL MEMBRANE ATTACHMENT
17
Listeriosis
Placental MicroabscessesVillous necrosisHeavy growth of Listeria in postmortem cultures
TRANSPLACENTAL (TORCH) INFECTIONS