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ant 421 exam 1.
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Exam of 5 pages for the course AE 421 - Week 2 at AE 421 - Week 2 (ant 421 exam 1.)
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ant 421 exam 1anterior - ANS-towards the front of the body
posterior - ANS-towards the back of body
Superior - ANS-towards the head
Inferior - ANS-towards the feet
Medial - ANS-Toward the midline of the body
Lateral - ANS-away from the midline
proximal - ANS-nearest the articulation with axial skeleton
distal - ANS-farthest from the articulation with axial skeleton
dorsal, palmar - ANS-palmar: front/palm side of hand
Dorsal: back side
dorsal, plantar - ANS-plantar: bottom of foot
dorsal: top of foot
sagittal plane - ANS-divides body into left and right
coronal plane - ANS-divides body into front and back
transverse plane - ANS-horizontal cut anywhere that is perpendicular to sagittal and
coronal planes
calvaria - ANS-cranial vault
Splanchnocranium - ANS-facial portion of skull
cranial region - ANS-head
Postcranial region - ANS-below the head
, axial region - ANS-includes the head, neck, and trunk
appendicular region - ANS-upper and lower limbs
embryonic phase - ANS-- conception - 8 weeks
- basic structure determined
fetal phase - ANS-- 8 weeks - birth
- growth, joint formation, ossification
week 4 of fetal phase - ANS-- pharyngeal arch
- organogenesis: development of organs
- upper limbs appear
mesenchyme - ANS-undifferentiated cells that lead to connective tissue
somites - ANS-building blocks of vertebrate body plan
postnatal phase - ANS-- continued ossification, secondary centers develop, epiphyseal
fusion
bone primordial - ANS-mesenchymal models of each bone
progress zone - ANS-undifferentiated mesenchyme that is immediately next to apical
ectodermal ridge (AER)
week 5 of fetal - ANS-limbs divide to 2 segments in proximal-distal sequence
interzone - ANS-edge of models, start of joint formation
cavitation - ANS-cavity begins to form
ossification - ANS-laying down of new bone tissue
intramembranous ossification - ANS-mesenchyme converted directly to bone
endochondral ossification - ANS-mesenchyme to cartilage to bone
primary ossification center - ANS-ossification process before birth
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