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anatomy CH8

QuestionAnswer
female skull appearance lighter, smoother, about 10% smaller; forehead more vertical
male skull appearance heavier, rougher, about 10% larger; forehead more sloping
female sinuses smaller
male sinuses larger
female teeth smaller
male teeth larger
female mandible smaller, narrower, less robust
male mandible larger, squarer, more robust
male pelvis generally narrower, rougher, more robust
female pelvis broader, smoother, less robust
male ilium more vertical; extends further superior to sacro‑iliac joint
female ilium less vertical; less extension superior to sacral articulation
male sacrum long, narrow triangle with pronounced curvature
female sacrum broad, short triangle with less curvature
male iliac fossa deeper
female iliac fossa shallower
male pelvic inlet narrow, heart‑shaped
female pelvic inlet open, circular
male pelvic outlet narrow
female pelvic outlet wide
male coccyx points anteriorly
female coccyx points inferiorly
male acetabulum directed laterally
female acetabulum faces slightly anteriorly
male obturator foramen oval
female obturator foramen triangular
male pubic angle less than 90°
female pubic angle 100° or more
male bone mass and density greater
female bone mass and density lesser
male bone markings more prominent
female bone markings less prominent
fontanelle closure fontanelles fully close by age 2
frontal suture fusion fuses between ages 2–8
occipital bone fusion ossification centers fuse between ages 1–4
styloid process fusion fuses with temporal bone between ages 12–16
hyoid bone ossification complete ossification and fusion occurs at 25–30 years
teeth eruption deciduous teeth erupt 6 months–2 years; permanent teeth erupt 6–21 years
mandible aging tooth loss, bone mass reduction, and angle changes accelerate after age 60
vertebral curvature development major spinal curves develop from 3 months to 10 years
intervertebral disc changes disc height and size decrease, especially after age 60
epiphyseal cartilage fusion fusion begins around age 3; ranges vary but allow approximate age estimation
epiphysis fusion ranges fusion occurs in narrow age ranges: 14–16, 16–18, and 22–25 years
each arm articulates at the... pectoral girdle
the pectoral girdle is made of... 4 bones
the only axial connection of the pectoral girdles is the... clavicular articulation
the scapula articulates with the manubrium at the... glenohumeral joint
the acromion articulates with the clavicle at the... acromioclavicular joint
the hip bones are also called... coxal bones
the hip bone is made of... fused ilium, ischium, and a pubis
the acetabulum articulates with the... head of femur
gluteal lines mark... attachment of large hip muscles
the sciatic nerve reaches the lower leg through... greater sciatic notch
the purpose of the iliac fossa is to... hold abdominal organs and muscle attachment
when sitting, the ... supports body weight ischial tuberosity
the area around the obturator foramen provides... a firm base of attachment for hip muscles
the femur and acetabulum articulate at the... with their point of attachment being marked at the... sacroiliac joints, fovea capitis
the patella is housed within... the quadriceps femoris
the patellar ligament connects the tibial tuberosity to the... apex of the patella
the patella move... up and down
the patella start as cartilage and ossify between the ages of... 2 to puberty
the purpose of the fibula is to... attach muscles for the feet and toes
the lateral malleolus gives... lateral stability to the ankle
the talus... transfers body weight from the tibia to the toes
the calcaneus connects... the calcaneal/Achilles tendon
appendicular skeleton is made of... 126 bones
muscles attach along... borders
the palm is made of the... 5 metacarpals
the fingers are made of the... 14 phalanges
trochlea articulates with... ulna
capitulum articulates with... radius
the ulnar nerve crosses... the medial epicondyle of the humerus
the purpose of fossas are... to make room for movement
the coronoid process of the ulna... stabilizes the elbow joint
the radial tuberosity... attachment site for biceps brachii
the styloid process... stabilizes the joint with the wrist
proximal radioulnar joint radial head of radius + radial notch of ulna
distal radioulnar joint head of ulna + ulnar notch of radius
lateral and medial condyle of femur... articulate with tibia to form the knee joint
lateral and medial epicondyle of femur... site of attachment for ligaments and tendons that stabilize the knee joint
medial malleolus of tibia... bump on inside of ankle causing medial stability of ankle joint
Created by: user-1971420
 

 



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