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A.d. 501 to 600

Backward to A.D. 401 to 500

In general this was a century of continued wars, jockeying of the various "barbarian tribes” for posts and attempted consolidation of their various positions. The chief consequences of the migrations of the 3rd to this 6th century have been listed by McNeill (Ref. 139 ) as follows:

  • The barbarians assimilated civilized styles of life
  • The civilized communities of Eurasia (excepting China) were impelled to modify their military, political and social systems by introducing features we call by the term "medieval". These included cataphracts (heavily armored cavalry) supported by various subsidies and the development of a peculiar military class, of ten mercenaries, which soon lessened the central authority over those "knights in armor". The Byzantines controlled this less effectively than the Persians
  • The rise of religion to a central place in personal and public affairs gave a radically new character to the high cultural traditions of both Rome and Persia and affected Chinese civilization in a similar, although less drastic fashion
  • The factors which finally resulted in the overthrow of the new barbarian empires are discussed in a separate section at the end of this chapter. Leprosy first appeared at this time in Egypt, France and Britain although it is probable that many, more ancient disfiguring skin diseases had been described under this heading, in error (Ref. 140 )

The christian church

In this century two great names, of ten called the Fathers of the Western Christian Society, appeared. One was St. Benedict who established a monastery in 529 which was to guide most later monasteries in the west. The other, living in the latter half of the century, was Pope Gregory I

This is the "4th father of the Church" mentioned by Thomas (Ref. 213 ) as mentioned on page 354
, a superstitious, credulous man with a terrifying piety who nevertheless gave law to monasticism and spread the Christian gospel through Europe. He developed parish organization, arranged orderly festivals and processions and standardized sacerdotal clothes. If one considers the European "Dark Ages" to have existed at this time - a period when learning and science and art and literature seemed to be at a standstill - one must credit the monasteries as being a great repository for the storage of some of that previously hard-earned knowledge. Cassiodorus was a monk contemporary with Benedict and Gregory who tried to preserve education and some science. His influence in making monasticism into a powerful instrument for restoration of social order was perhaps even greater than those contemporaries. (Ref. 49 , 213 )

In the early development of Christianity rational medical practice practically disappeared as the old Judaic concept of disease as being equated with a kind of sin was promoted. The corollary was that the only possible cure was through Grace, the unpredictable intervention of God. This interpretation of cause and cure of disease was expounded in detail by Pope Gregory. (Ref. 125 )

International jewry

From this century on the Jews became particularly identified with international and regional trade. The reasons for this included the widespread dispersion of these people in both Islam and Christian Europe, with group solidarity, linguistic communication and a uniform commercial law, based on the Talmud. (Ref. 8 )

Forward to A.D. 601 to 700

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Questions & Answers

how does Neisseria cause meningitis
Nyibol Reply
what is microbiologist
Muhammad Reply
what is errata
Muhammad
is the branch of biology that deals with the study of microorganisms.
Ntefuni Reply
What is microbiology
Mercy Reply
studies of microbes
Louisiaste
when we takee the specimen which lumbar,spin,
Ziyad Reply
How bacteria create energy to survive?
Muhamad Reply
Bacteria doesn't produce energy they are dependent upon their substrate in case of lack of nutrients they are able to make spores which helps them to sustain in harsh environments
_Adnan
But not all bacteria make spores, l mean Eukaryotic cells have Mitochondria which acts as powerhouse for them, since bacteria don't have it, what is the substitution for it?
Muhamad
they make spores
Louisiaste
what is sporadic nd endemic, epidemic
Aminu Reply
the significance of food webs for disease transmission
Abreham
food webs brings about an infection as an individual depends on number of diseased foods or carriers dully.
Mark
explain assimilatory nitrate reduction
Esinniobiwa Reply
Assimilatory nitrate reduction is a process that occurs in some microorganisms, such as bacteria and archaea, in which nitrate (NO3-) is reduced to nitrite (NO2-), and then further reduced to ammonia (NH3).
Elkana
This process is called assimilatory nitrate reduction because the nitrogen that is produced is incorporated in the cells of microorganisms where it can be used in the synthesis of amino acids and other nitrogen products
Elkana
Examples of thermophilic organisms
Shu Reply
Give Examples of thermophilic organisms
Shu
advantages of normal Flora to the host
Micheal Reply
Prevent foreign microbes to the host
Abubakar
they provide healthier benefits to their hosts
ayesha
They are friends to host only when Host immune system is strong and become enemies when the host immune system is weakened . very bad relationship!
Mark
what is cell
faisal Reply
cell is the smallest unit of life
Fauziya
cell is the smallest unit of life
Akanni
ok
Innocent
cell is the structural and functional unit of life
Hasan
is the fundamental units of Life
Musa
what are emergency diseases
Micheal Reply
There are nothing like emergency disease but there are some common medical emergency which can occur simultaneously like Bleeding,heart attack,Breathing difficulties,severe pain heart stock.Hope you will get my point .Have a nice day ❣️
_Adnan
define infection ,prevention and control
Innocent
I think infection prevention and control is the avoidance of all things we do that gives out break of infections and promotion of health practices that promote life
Lubega
Heyy Lubega hussein where are u from?
_Adnan
en français
Adama
which site have a normal flora
ESTHER Reply
Many sites of the body have it Skin Nasal cavity Oral cavity Gastro intestinal tract
Safaa
skin
Asiina
skin,Oral,Nasal,GIt
Sadik
How can Commensal can Bacteria change into pathogen?
Sadik
How can Commensal Bacteria change into pathogen?
Sadik
all
Tesfaye
by fussion
Asiina
what are the advantages of normal Flora to the host
Micheal
what are the ways of control and prevention of nosocomial infection in the hospital
Micheal
what is inflammation
Shelly Reply
part of a tissue or an organ being wounded or bruised.
Wilfred
what term is used to name and classify microorganisms?
Micheal Reply
Binomial nomenclature
adeolu
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Source:  OpenStax, A comprehensive outline of world history. OpenStax CNX. Nov 30, 2009 Download for free at http://cnx.org/content/col10595/1.3
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