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med-term 15d

vocabulary

QuestionAnswer
acetabulum rounded depression, socket, in pelvis that joins femur forming the hip joint
acromion outward extension of shoulder blade forming point of shoulder. Overlies the shoulder joint and articulated with clavicle
articular cartilage thin layer of cartilage covering the bone in the joint space
bone dense, hard connective tissue composing skeleton. Ex: femur - long bone, carpal - short bone, scapula - flat bone, patella - sesamoid
calcium one of the minerals of bones - Calcium phosphate is major calcium salt in bones
cancellous bone spongy, porous, bone tissue in the inner part of bone
cartilage flexible, rubbery connective tissue = found in immature (child's) skeleton at the epiphyseal growth plate and on joint surfaces
collagen dense, connective tissue protein strands found in bone & tissues
compact bone hard, dense bone tissue, usually found ~ outer portion of bones
condyle knuckle-like process at end of bone near a joint
cranial bones skull bones: ethmoid, frontal, occipital, parietal, sphenoid and temporal
diaphysis shaft or mid-portion of long bone
disk (disc) flat round plate-like structure - intervertebral disk is a fibrocartilaginous substance b/w 2 vertebrae
epiphyseal plate cartilaginous area at the ends of long bones where lengthwise growth takes place in immature skeleton (child's)
epiphysis each end of long bone, area beyond epiphyseal plate
facial bones bones of face: lacrimal, mandibular, maxillary, nasal, vomer & zygomatic
fissure narrow, slit-like opening in or b/w bones
fontanelle soft spot (incomplete bone formation) b/w skin bones of an infant
formen opening or passage in bones where blood vessels & nerves enter & leave.
formen magnum opening of the occipital through which the spinal cord passes
fossa shallow cavity in a bone
haversian canals minute spaces filled with blood vessels - found in compact bone
malleolus round process on both sides of ankle joint. Lateral malleolus is part of fibula, media malleolus is part of tibia
manubrium upper portion of sternum - articulates w the medial aspect of clavicle
mastoid process round projection on temporal bone behind ear
medullary cavity central, hollowed-out area in shaft of long bone
metaphysis flared portion of long bone b/w diaphysis and epiphyseal plate (meta= b/w)
olecranon large process on proximal end of ulna - point of flexed elbow
osseous tissue bone tissue
ossification process of bone formaton
osteoblast bone cell that help form bony tissue - REBUILDS BONE (means - immature bone)
osteoclast bone cell that absorbs & removes unwanted bony tissue - CARRIES AWAY BONE
periosteum membrane surrounding bones = rich in blood vessels & nerve tissue
phosphorus mineral found in bones in combo w/ calcium
pubic symphysis area of confluence (coming tog) of 2 pubic bones in pelvic. (Sym- = together, -physis = to grow) Joined tog by fibrocartilaginous disk
red bone marrow found in cancellous bone - site of hematopoiesis
ribs 12 pairs curved bones form chest wall. True ribs pairs #1 to 7, false ribs #8 to 10, floating ribs pairs #11 & 12
sella turcica depression in sphenoid bone where pituitary gland is located
sinus hollow air cavity w/in bone
styloid process pole-like process extending downward from temporal bone on ea side of skull
suture immovable joint b/w bones - e.g. skull (cranium)
temporomandibular joint connection on either side of head b/w temporal bone & mandibular bone
trabeculae supporting bundles of bony fibers in canellous (spongy) bone
trochanter large process at neck of femur, attachment site for muscles and tendons
tuberosity rounded process of bone - attachment site for muscles & tendons
vertebra single spinal bone - composed of vertebral body, vertebral arch, spinous process, transverse process, lamina - encloses neural canal
xiphoid process lower, narrow portion of sternum
yellow bone marrow fatty tissue found in medullary cavity of most adult long bones
flexion decreasing the angle b/w 2 bones, bending a limb
extension increasing the angle b/w 2 bones, straightening out a limb
abduction move away from midline of body
adduction move toward midline of body
rotation circular movement around axis (central point) internal rotation is toward midline and external rotation is away fr midline
dorsiflexion decreasing angle of the ankle joint so foot bends backward (upward)
plantar flexion motion that extends foot downward toward ground when pointing toes or stepping on gas pedal. Plant/o=sole of foot
supination applied to hand and forearm =act of turning palm up
pronation applied to hand and forearm = act of turning palm down
fascia fibrous membrane separating & enveloping muscles
insertion of a muscle connection of muscle to a bone that moves
origin of muscle connection of muscle to stationary bone
skeletal muscle muscle connected to bones - voluntary or striated muscle
smooth muscle visceral muscle
striated muscle skeletal muscle
visceral muscle muscle connected to internal organs - involuntary or smooth muscle
Created by: gma.d