topic 2.2 divisions of skeletal system and descriptive terms

• articular projection

• non articular projection

• articular depression

• non articular depression

divisions of skeletal systems:

articular projection

articulates with bone

non articular projection

does not articulates with another bone

non articular depression

walang kinakapitang buto

articular depression

bone A articulates the bone B

perforation

1

projection

2

depression

3

projection

• aka prominence eminence process

• refers of any protruding part of any surface

depression

• concavity

perforation

butas ng buto

articular projection

head

articular projection

condyle

articular projection

head

non articular projection

tuberosity

non articular projection

tubercle

non articular projection

trochanter

non articular projection

spine

non articular projection

line

non articular projection

ridge

non articular projection

crest

articular depression

glenoid

articular depression

cavity

articular depression

cotyloid

non articular depression

fossa

non articular depression

groove

non articular depression

sulcus

non articular depression

impression

axial skeleton and appendicular skeleton

division of skeletal system:

axial skeleton

bones equated along the longitudinal axis

appendicular skeleton

include bones of the anterior and posterior

arm, forearm, manus, shoulder

anterior limbs are:

arm

humerus

radius and ulna

forearm

carpals, phalanges, metacarpals

manus

scapula, clavicle, coracoid

shoulder

coracoid

the only process in mammals

thigh, hip, true leg, pes

posterior limbs are:

pelvic girdle, illium, and isthium

hip

tibia

true leg

pes

• counter part of tarsals and metacarpals

• phallanges