BIOL 2113 QUESTIONS AND ASWERS LATEST UPDATE
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articualtion
point at which two individual bones connect; aka joint
What factors may affect the type and degree of the movement at a joint
structure and function of the joint
3 structural classifications of joints
fibrous, cartilaginous, synovial
fibrous joints
adjacent bones that are directly connected by fibrous connective tissue (suture,
gomphosis)
cartilaginous joints
bones that are joined by hyaline cartilage or fibrocartilage (synchondrosis, symphysis)
temporary types of cartilaginous joints
epiphyseal plate, sacral bone, coxal bone, hip bone
permanent types of cartilaginous joints
ribs at the costochondral margins, pubic symphysis, intervertebral symphysis
synovial joints
created where two bones articulate to permit a variety of motions: most common
3 functional types of joints
synarthrosis, amphiarthroses, diarthroses
Synarthrosis
immovable joint, suture joints between skull bones, manubriosternal joint between the
manubrium, and the body of the sternum
Amphiarthrosis
slightly movable joint that unites vertebral bodies and symphysis joint of the pubic
symphysis
Diarthrosis
freely movable joint, mostly found in appendicular skeleton
Synostosis
site at which adjacent bones or bony components have fused together
most common example of synostosis
the epiphysis fuses with the diaphysis upon closure of the epiphyseal plate
articular capsule of synovial joint
connective tissue structure that encloses the joint cavity of a synovial joint
articular cartilage (hyaline)
Covers all articulating bone surfaces. Helps to reduce friction and absorb compression
synovial membrane
membrane lining the articular capsule of a joint, secretes synovial fluid
synovial fluid
joint-lubricating fluid secreted by the synovial membrane
ligament
extrinsic, intrinsic, intracapsular: Connects bone to bone
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articualtion
point at which two individual bones connect; aka joint
What factors may affect the type and degree of the movement at a joint
structure and function of the joint
3 structural classifications of joints
fibrous, cartilaginous, synovial
fibrous joints
adjacent bones that are directly connected by fibrous connective tissue (suture,
gomphosis)
cartilaginous joints
bones that are joined by hyaline cartilage or fibrocartilage (synchondrosis, symphysis)
temporary types of cartilaginous joints
epiphyseal plate, sacral bone, coxal bone, hip bone
permanent types of cartilaginous joints
ribs at the costochondral margins, pubic symphysis, intervertebral symphysis
synovial joints
created where two bones articulate to permit a variety of motions: most common
3 functional types of joints
synarthrosis, amphiarthroses, diarthroses
Synarthrosis
immovable joint, suture joints between skull bones, manubriosternal joint between the
manubrium, and the body of the sternum
Amphiarthrosis
slightly movable joint that unites vertebral bodies and symphysis joint of the pubic
symphysis
Diarthrosis
freely movable joint, mostly found in appendicular skeleton
Synostosis
site at which adjacent bones or bony components have fused together
most common example of synostosis
the epiphysis fuses with the diaphysis upon closure of the epiphyseal plate
articular capsule of synovial joint
connective tissue structure that encloses the joint cavity of a synovial joint
articular cartilage (hyaline)
Covers all articulating bone surfaces. Helps to reduce friction and absorb compression
synovial membrane
membrane lining the articular capsule of a joint, secretes synovial fluid
synovial fluid
joint-lubricating fluid secreted by the synovial membrane
ligament
extrinsic, intrinsic, intracapsular: Connects bone to bone
