Week 9: Antenatal Life / Ancient Embryology Flashcards
Embryological studies of the Hippocratic corpus
a) De semine - Seed
b) De septimestri partu - 7-month birth
c) De octimestri partu - 8-month birth
d) De superfetatione - Superfetation
e) De exsectione foetus - Removing dead foetus
What month is not viable for pregnancy
Eight month due to popular belief
What is superfetation? What event leaded physicians to believe on this?
Getting pregnant a second time while being already pregnant.
Fraternal twins
Common in animals (e.g., rabbits)
Embryological studies of Galen
a) De uteri dissectione
b) De semine
c) De foetum formatione
d) De septimestri partu
e) An animal ist quod est in utero - Is the born foetus a human being?
f) Ad Gaurum quo modo animatur foetus
Most famous work from Soranus
Gynaecia
What does the seed (semen) of the man represent?
a) Strongest and richest fluid coming from all fluids in the entire body
b) Rubbing and heating are needed
How can a man get a male or female child based on De Superfetatione?
a) Tying the right testicle - Female
b) Tying the left testicle - Male
Description of the analogy of conception with plants
Seed deposited into the earth filled with moisture from it
Description of the analogy with rising bread
A membrane develops arount the surface of the seed while the spirit is coming in and going out of the center
Description of the analogy with chickens
When the hatchling runs out of food inside the egg, it moves a lot inside the egg looking for more food, and the shell breaks. This happens by the 10th month.
Uterus of animals
Those with higher birth right tend to have more bends and recesses that those with lower birth rate
Important days for embryology
a) 1st / 7th day (Moon calendar)
b) Watching odd days
c) 14th, 28th, 42nd day
On what day do humans show legs and arms?
49th day
Can you trust women on childbirth?
No mistrust since they know what is happening in their own bodies
What revolutionary research did Hippocrates did for embryology?
Wrote some truthful facts about the formation of the embrya by hands-on diagnosis
What were the consequences of an affair in ancient Greece?
a) Mandatory divorce
b) Exclusion to public life (Temples)
According to ancient physicians, who contributed the genetic material to the child?
Although ancient societies were patriarchal, both parents contributed to the genetic material of the offspring.
What popular belief outside of medical literature existed about the contribution of genetic material?
The mother was only the incubator for the man’s seed, and she made no contribution to the child.
AKA: Metaphor of the oven / bun
Was ancient medicine androcentric?
No. Gender neutral unless there is a practical need to differentiate
How was medical knowledge gained in terms of sampling?
Mostly from the study of male bodies
Is gendered medicine still a controversial subject?
Yes
What knowledge was fully understood in ancient medicine?
a) Anatomy and physiology
b) Genetic process was misunderstood
What understandings did ancient physicians have about the genetic process of inheritance?
a) Semen transmits the father’s genetic material
b) Role of the male reproductive organs
c) Damage fo the testes results in infertility
What is the perception of castration by the Greeks?
Barbaric custom and never practiced
a) Persians considered it