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Figure 3. Poirier

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of Poirier's facet to femoral neck, where it can surround or cover Allen's fossa. ... Allen's fossa is first formed by atrophy of the bone while under stress, but as ... – PowerPoint PPT presentation

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Title: Figure 3. Poirier


1
Julia Jennings1, Joelle Inman2, Jaime Ullinger3,
Dennis P. Van Gerven4, and Susan Guise Sheridan5
1Dept. of Anthropology, Tulane University
2Dept. of Anthropology, University of
California-Berkeley 3Dept. of Anthropology, Ohio
State University 4Dept. of Anthropology,
University of Colorado-Boulder 5Dept. of
Anthropology, University of Notre Dame
Table 2. Frequencies of Femoral Non-metric Traits

-

n
TRAITS
38.2
76
47
123
Allens
37.8
79
48
127
Plaque
25.0
81
27
108
Poiriers
Table 3. ?2 values for each trait
3.3
118
4
122
Posterior
POSTERIOR
POIRIERS
PLAQUE
ALLENS
55.5
55
69
124
All Anterior
1.27
0.05
5.13
0.01
Side
0.41
1.61
0.04
0.20
Neck Angle
38.2
76
47
123
All Features
2.40
0.14
4.26
0.11
Head diameter
Figure 1. Allens Fossa EBND 1.414 Note the
exposed trabeculae.
Figure 3. Poiriers Facet EBND 2.156
Figure 2. Plaque EBND 3.129
Table 1. Definitions of traits used in this
study.
SOURCE
DEFINITION
TRAIT
Finnegan (1978)
Depression or eroded area where bone has been
lost, trabeculae must be exposed to be scored.
Allens Fossa
Buikstra Ubelaker (1994)
Extension of articular surface of femoral head
onto anterior-superior aspect of the neck,
covered by hyaline cartilage.
Poiriers Facet
Finnegan (1978)
Overgrowth or bony scar extending from area of
Poiriers facet to femoral neck, where it can
surround or cover Allens fossa.
Plaque
Kostick (1963)
Resembles Poiriers facet. Located on posterior
aspect of femoral neck.
Posterior Cervical Imprint
Figure 5. Plaque Poriers Facet EBND 2.169
Figure 4. Posterior Cervical Imprint EBND
2.175
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