UNIT Check Your Recall REVIEW 1 oints that permit no motion are called a. synart

Question

UNIT Check Your Recall REVIEW 1 oints that permit no motion are called a. synarthroses. b. amphiarthroses. c. cartilaginous joints. d. diarthroses. Chegg 2 Freely moveable joints are called Copyright Morton Publishing Com Exploring A&P; in the Laboratory a. cartilagi nous joints. Edition: 2 ag-mead 09@gmail.com synarthroses. Printed from www.chegg.com c, amphiarthroses. d. fibrous joints. e, diarthroses 3 Most cartilaginous joints allow and are a, no motions synarthrotic joints. b, some motion; diarthrotic c, no motion; amphiarthrotic d. some motion; amphiarthrotic 4 synovial joints are filled with which he joint. yright oserous fluid liibricatesny loring A&P; ialnuid lubricates me ad 09 greaiserous fluid, increases range of motion of ted from way synoviaffluid, increases range of motion of 5 Mark the following statements as true m or false (R). If the statement is false, correct it so it is a true statement. a. The articulating ends of the bones in a synovial joint are covered by a synovial membrane. b. Articular discs improve the fit between two bones in a synovial joint. c. The joint capsule of a synovial joint is lined with a synovial membrane. d. Ligaments provide a smooth, nearly frictionless surface for articulation. e. Fluid-filled sacs called bursae often lie between tendons and the joinreapsuleof a synovial joint. Copyright Morton Publishing Co Exploring A&P; in the Laboratory Articulations UNIT 9 I 217 "der chegg.com/print phptid.nggeed2

Explanation / Answer

Answer:

1. (a) Synarthroses

Explanation:

A synarthrosis is a type of joint which permits very little or no movement under normal conditions. Most synarthroses joints are fibrous. Suture joints and Gomphosis joints are synarthrose.

2. (e) Diarthroses

Explanation:

Diarthroses are any of several types of bone articulation permitting free motion in a joint, as that of the shoulder or hip.

3. (d) Some motion; amphiarthrotic

Explanation:

Cartilaginous joints are connected entirely by cartilage (fibrocartilage or hyaline). Cartilaginous joints allow more movement between bones than a fibrous joint but less than the highly mobile synovial joint.

In symphyses, hyaline cartilage covers the end of the bone, but the connection between bones occurs through fibrocartilage. Symphyses are found at the joints between vertebrae and between the pubic bones. Amphiarthroses allow only slight movement; therefore, either type of cartilaginous joint is an amphiarthrosis.

4. (b) Synovial fluid; lubricates

Explanation:

A synovial joint, also known as diarthrosis, joins bones with a fibrous joint capsule that is continuous with the periosteum of the joined bones, constitutes the outer boundary of a synovial cavity, and surrounds the bone's articulating surfaces. The synovial cavity/joint is filled with synovial fluid which helps in reducing friction.

(Since there are more than one question, the first 4 questions have been answered according to the rules of Chegg)

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