Term
the term symphysis literally means... |
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Definition
symphysis - joint in which bones are connected by pads of fibrocartilage |
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how is a symphysis classified functionally? |
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Definition
a symphysis is classified functionally as an AMPHIATHROSIS (i.e. slightly movable joint) |
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where in the body do all symphysis occur? |
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Definition
all symphysis occur along the MIDLINE of the body |
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Term
what is the mental symphysis? |
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Definition
mental symphysis - the fibrocartilaginous union of the two halves of an infant's lower jawbone that ossifies during the first year. |
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Term
the fibrocartilaginous union of the two halves of an infant's lower jawbone that ossifies during the first year. |
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Definition
mental symphysis - the fibrocartilaginous union of the two halves of an infant's lower jawbone that ossifies during the first year. |
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Term
what is an annulus fibrosus? |
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Definition
annulus fibrosis - fibrous ring of intervertebral disk |
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what is the nucleus pulposus? |
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Definition
Nucleus pulposus is the jelly-like substance in the middle of the spinal disc. |
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Term
the jelly-like substance in the middle of the spinal disc. |
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Definition
Nucleus pulposus is the jelly-like substance in the middle of the spinal disc. |
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Term
the fibrous ring of the an invertebral disk |
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Definition
annulus fibrosis - fibrous ring of intervertebral disk |
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Term
An invertebral disk is composed of what 2 things? |
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Definition
Annulus fibrosus
nucleus pulposus |
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Term
"holes" in the spinal chord when viewed from the side |
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Definition
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what are the 5 functions of synovial fluid? |
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Definition
Functions of synovial fluid:
-Lubrication -Absorb shock -Supplies O2 and nutrients to chondrocytes of articular cartilage -Remove O2 and wastes from chrondocytes of articular cartilage -contains phagocytic cells (Macrophages) that remove depris from normal wear and tear
L.A.S.R.M Love Always Stays Relatively Meaningful |
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Term
what is synovial fluid named for? |
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Definition
Synovial fluid is named for the similarity of its viscous, slippery texture to raw egg white. [Latin: ōvum, egg] |
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Term
what is the synovial membrane? |
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Definition
the synovial membrane is the soft tissue found between the articular capsule (joint capsule) and the joint cavity of synovial joints. |
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Term
the soft tissue found between the articular capsule (joint capsule) and the joint cavity of synovial joints. |
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Definition
the SYNOVIAL MEMBRANE is the soft tissue found between the articular capsule (joint capsule) and the joint cavity of synovial joints. |
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Term
what 2 things make up the articular capsule? |
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Definition
fibrous capsule
synovial membrane |
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Term
what is found inside the joint cavity? |
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Definition
the joint cavity contains synovial fluid |
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Term
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Definition
BURSAE are fluid-filled sacs that cushion the movement of parts of the body against one another |
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fluid-filled sacs that cushion the movement of parts of the body against one another |
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Definition
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Definition
bursae resemble joint capsules |
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Definition
bursae are found in certain areas between skin and bone, tendons and bone, muscle and bone, and ligaments and bone |
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Definition
TENDON SHEATHS are tube-like bursae wrapped around certain tendons |
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What 5 places are tendon seaths found? |
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Definition
Tendon sheaths are found in the shoulder, wrists, ankles, fingers, and toes |
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Term
a decrease in the angle between articulating bones |
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Definition
flexion – a decrease in the angle between articulating bones |
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Term
an increase in the angle between articulating bones (typically to restore a body part to the anatomical position after being flexed) - usually occurs along the sagittal plane |
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Definition
extension – an increase in the angle between articulating bones (typically to restore a body part to the anatomical position after being flexed) - usually occurs along the sagittal plane |
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Term
hyperextension – continuation of extension beyond the anatomical position |
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Definition
hyperextension – continuation of extension beyond the anatomical position |
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Term
movement of a bone away from the midline |
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Definition
abduction – movement of a bone away from the midline |
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Term
movement of a bone toward the midline (typically to restore a body part to the anatomical position after being abducted) - usually occurs along the frontal plane |
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Definition
adduction – movement of a bone toward the midline (typically to restore a body part to the anatomical position after being abducted) - usually occurs along the frontal plane |
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Term
movement of the distal end of a body part in a circle |
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Definition
circumduction – movement of the distal end of a body part in a circle |
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Term
revolving a bone around its longitudinal axis |
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Definition
rotation – revolving a bone around its longitudinal axis |
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Term
Headbanging requires which 2 joints? |
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Definition
atlanto-occipital
cervical invertebral |
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rotating your head left to right requires which joint? |
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Definition
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swinging your head around in a circle (circumduction) requires which joint? |
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Definition
swinging your head around in a circle requires the atlanto-occipital and cervical invertebral joints |
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Term
lowering your jaw (depression) makes use of which joint? |
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Definition
lowering your jaw (depression) uses the TEMPOROMANDIBULAR joint |
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Term
raising your jaw (elevation) makes use of which joint? |
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Definition
raising your jaw (elevation) uses the TEMPOROMANDIBULAR joint |
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Term
doing the chicken gawk with your head, protraction moving forward retraction moving backwards requires which joint |
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Definition
moving your head forward and backwards like a chicken requires the TEMPOROMANDIBULAR joint |
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