primitive

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primitive

 [prim´ĭ-tiv]
first in point of time; existing in a simple or early form that shows little complexity.

prim·i·tive

(prim'i-tiv),
Obsolete usage in embryology, replace by primordial.
[L. primitivus, fr. primus, first]

primitive

/prim·i·tive/ (prim´ĭ-tiv) first in point of time; existing in a simple or early form that shows little complexity.

primitive

[prim′itiv]
Etymology: L, primivus
1 undeveloped; undifferentiated; rudimentary; showing little or no evolution.
2 embryonic; formed early in the course of development; existing in an early or simple form. Compare definitive.

primitive

adjective Embrology Undifferentiated; undeveloped; before development of 1º germ layers–ectoderm, endoderm, mesoderm Psychiatry Pertaining to the early development of the personality

pri·mor·di·al

(prī-mōr'dē-ăl)
1. Relating to a primordium.
2. Relating to a structure in its first or earliest stage of development.
Synonym(s): primal (2) , primitive.

primitive

of ancient origin but present in modern organisms in an unmodified and unspecialized form.

primitive

first in point of time; existing in a simple or early form; showing little evolution.

primitive groove
longitudinal furrow in the primitive streak of the embryo.
primitive knot
primitive node
enlarged cranial end of the primitive streak.
primitive streak
the thickened median area of the epiblast which sets out the future longitudinal axis of the early embryo.
References in periodicals archive ?
Simimeryx, Parvitragulus, hypisodontids]): Ms primitively bunodont; tibia, fibula coossified distally; ectomesocuneiform (North America).
as a process which preserves and protects, in split off form, the entire internal object world of the abused child" (4); and "We stress that this child is a fully developed, dissociated, rather primitively organized alternative self.
We lunch on a feast of tender beef cooked over an open fire in the middle of the kota, while we sit, this time less primitively, on benches around the side.
The role of selenium and vitamin E as antioxidant is suggested primitively and using supplementation containing selenium could have a protective role in animals [4,7,8,9].
Good cartoons hit you primitively and emotionally," said cartoonist Doug Marlette.
We now know that primitively social slime molds have genetic variation in their ability to farm beneficial bacteria as a food source," says George Gilchrist, program director in the National Science Foundation's Division of Environmental Biology, which funded the research.
And who was responsible for the primitively basic way in which explosives are stored.
An inside source reveals a famous actress known for her bombshell looks, with little work these days, is now planning to be on twitter, despite being primitively naE[macron]ve about the workings of the internet
Six hundred papers (selected from about 1,500 submissions originating in 12 countries) are presented in an order determined, primitively, only by the alphabet--the first word of the title, including initial articles.
A big part of this party's MPs decided that they should not irritate that part of their electorate, which has rather primitively nationalistic views.
Streaming Media: I remember 8 or 9 years ago, we used to have people either sitting on a Windows Media encoder at the back of the stage pressing buttons when the presenter changed a slide or, even more primitively, speaking on a mobile phone and saying, "slide 6" to an ops center colleague