Sex estimation Flashcards
Sexual dimorphism in humans
Females are around 92% of size of men, more pronounced in adults
What is the best indicator of sex?
Pelvis, BUT lots of variation btwn sexes
What does molecular tech do?
Sex estimation with high accuracy, but issues w/ access, preservation, cost
Only sex can be reliably ______ estimated
Osteologically
What can help us determine gender w/ medications, clothing, etc?
Scene context
Sex estimation uses what methods?
Osteometric AND anthroposcopic
Why is sex estimation the most accurate demographic info we can provide?
Pelvis: ______%
Other postcrania: _____%
Cranium: ______%
Pelvis: 90-95
OP: 80-90
Cranium: 80-90
What parts of pelvis are used to anthroposcopically estimate sex?
- Subpubic angle
- Greater sciatic notch
- Preauricular sulcus
- Sacrum
- Pelvis inlet
Diff between pelvis inlet btwn sexes?
Male: narrow, V-shaped/heart-shaped
Female: wide, circular, u-shaped
Greater sciatic notch differences?
Male = narrow
Female = wide
Preauricular sulcus differences?
Female = present
Male = absent
Ventral arc differences?
Females have ridge on ventromedial aspect of pubis
Subpubic concavity differences?
Female: concave
Male: straight or convex
Medial aspect of the ischiopubic ramus differences?
Females have sharper border
Phenice method includes which three aspects? (95% accuracy)
Ventral arc, subpubic concaviy, medial aspect of ischiopubic ramus
Differences in sex btwn nuchal crest?
Male = robust
Female = gracile
Mastoid process sex differences?
Male = large
Female = small
Parietal boss sex diffs?
Female = present
Male = absent
Supraorbital margin sex diffs?
Female = sharp
Male = rounded
Supraorbital tori/glabella sex diffs?
Male = defined
Female = gracile
Calvaria shape diffs?
Male = sloped
Female = rounded
Mental eminence diffs?
Male = defined
Female = rounded
Gonial angle sex diffs?
Female = oblique
Male = right
Gonial flare sex diffs?
Male = flared
Female = unflared