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What are chondroblasts?...

What are chondroblasts?

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**Step-by-Step Text Solution:** 1. **Definition of Chondroblasts**: Chondroblasts are specialized cells that are primarily responsible for the formation of cartilage. They play a crucial role in the development and maintenance of cartilage tissue. 2. **Origin**: Chondroblasts are derived from mesenchymal progenitor cells. This means they originate from a type of stem cell that has the potential to differentiate into various types of connective tissue cells. 3. **Function**: The primary function of chondroblasts is to produce the components of the extracellular matrix (ECM) of cartilage. The ECM is essential for providing structural and biochemical support to surrounding cells. ...
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Knowledge Check

  • Assertion : In placental mammals the placenta is connected to the embryo by the umblical cord and has an essential role in the immunological protection of the embryo . Reason : In mammals foetal components of the placenta derive initially from the chondroblast connected with embryonic derive initially from he chondroblast connected with embryonic blood stream either through its contact with the yolk sac.

    A
    If both the assertion and reason are true statement and reason is correct explanation of the assertion .
    B
    If both the assertion and reason are true statement but reason is not a correct explanation of the assertion .
    C
    If the assertion is true but the reason is a false statement.
    D
    If both assertion and reason are false statements.

  • Read the statements carefully and identify the incorrect ones. I. The skeletal tissue consists of organic matter called as chondroblast. II. If a femur is kept in dilute HCl for three days it becomes brittle. III. Haversian system is found in pigeon. IV. Hyalinc cartilage is present at the end of long bones.

    A
    I and II
    B
    I, II and III
    C
    Only III
    D
    III and IV

  • Which of the folllowing statements regarding the skeleton are correct ? Please select all that apply. (a) The shaft of a long bone is called the diaphysis. (b) The "oraganic" "matrix" of bone is secreted by chondroblasts. (c) Dividing cartilage cells are situated in the marrow cavity of long bones (d) Bone remodelling is a function of the activty marrow cavity of long bones (e) The long bones develop from fibrous connective tissue (f) Most bones are formed by endochondral ossification of a hyaline cartilage model (g) The principal inorganic components of bones are calcium and phosphates.

    A
    `abcd`
    B
    `adfg`
    C
    `bdfg`
    D
    `abdc`

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    [A]: In placental mammals, the placenta is connected to the embryo by the umbilical cord and has an essential role in the immu- nological protection of the embryo. [R]: In mammals foetal components of titte placenta derive initially from the chondroblast connected with embryonic blood stream ei- ther through its contact with the yolk sac

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