ANAT 215 Lecture Notes - Lecture 10: Shoulder Girdle, Cranial Vault, Zygomatic Arch
28 Apr 2018
School
Department
Course
Professor
ANAT 215 week 4 lecture 1
Skeleton Organization
function
Bones included
Axial
Protects and
supports
Long axis of 80 bones
Skull bones (22 w 7 associated) vertebral
column (24 vertebrae, 1 sacrum, 1 coccyx),
rib cage (24 ribs, 1 sternum)
Appendicular
mvmt
126 bones for limbs, girdles
pectoral girdle: includes clavical and scapula,
for upper limbs
pelvic girdle: connects lower limbs to axial
Skull: cranial (cranial vault, base, cavity) and facial bone
Name
Function
Origin
Insertion
Pic
Cranial vault
Frontal (1)
Forehead, eye socket, roots of orbit
Parietal (2)
Forms superior + lateral surfaces of skull
Temporal (2)
Forms lateral and inferior surface of skull
Zygomatic process: art w temp process
Zygomatic arch: forms cheekbone
External auditory meatus: ear canal
Mastoid process: attachment for neck muscles
Styloid process:
Occipital (1)
Forms posterior wall and base of skull
Sphenoid (1)
Keystone: art w all cranial bones
Sella turcica: holds pituitary gland
Lesser wings: form optic tract
Greater wings: attachment for temporalis muscle
Pterygoid processes: allow mandible to move
laterally and medially
Body: contains sinus
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Document Summary
Skull bones (22 w 7 associated) vertebral column (24 vertebrae, 1 sacrum, 1 coccyx), rib cage (24 ribs, 1 sternum) 126 bones for limbs, girdles pectoral girdle: includes clavical and scapula, for upper limbs pelvic girdle: connects lower limbs to axial. Skull: cranial (cranial vault, base, cavity) and facial bone. Pterygoid processes: allow mandible to move laterally and medially. Crista gali: projects to link w dura, falx cerebri superior + middle nasal conchae: scroll like, increase sa to warm air perpendicular plate: forms part of nasal septum. Squamous b/n frontal and 2 parietal bones b/n 2 parietal bones b/n parietal and occipital b/n parietal and temporal. Holds teeth, upper jaw bones, floor of orbits, roof of mouth. Infraorbital foramen: where artery + nerve pass thru. Mandibular notch: depression b/n coronoid and condour process. Mandicular foramen: opening nerve and blood vessel passes thru. Sphincter muscle surrounds bony orbit, comes from maxillary and frontal bones.
