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6 Tutorials that teach Bone Structure and Growth/Estructura ósea y el crecimiento de los huesos
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Bone Structure and Growth/Estructura ósea y el crecimiento de los huesos

Bone Structure and Growth/Estructura ósea y el crecimiento de los huesos

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This lesson will give an overview of the structure of bone as well as how bones grow.

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Tutorial

En esta lección vamos a hablar acerca de la estructura y función de los huesos, y de cómo se desarrollan los huesos.

Overview

(0:00-1:51) Bone

(1:52-2:27) Bone Remodeling

(2:28-4:00) Types of Bone Tissue

(4:01-5:08) Bone Marrow

(5:09-5:51) Bone Diagram

(5:52-8:39)   Cartilage Model of Development

 

TERMS TO KNOW
  • Osteoblast

    A cell that builds bone tissue by secreting collagen fibers that bind to calcium; this combination forms the tough tissue matrix of bone.

  • Osteoclast

    A cell that breaks down bone tissue by secreting hydrochloric acid into the tissue spaces; dissolves the bond between calcium and collagen.

  • Compact bone

    A type of bone tissue that consists of many osteons and a dense tissue matrix; cells of the osteons surround central canals called Haversian canals; found in the shafts of long bones and periphery of spongy bone.

  • Spongy bone

    Thin beams of compact bone that are found in the ends of long bones and the middle of spongy bone; is porous and lighter in weight.

  • Bone

    ​A connective tissue of cells and fibers covered by a membrane called the periosteum.

  • Periosteum

    A two layered connective tissue that is found on the outside of all bones; it supports, nourishes and protects bones of the body.

  • Osteon

    The functional unit of bone, is circular in nature and contains a hollow central canal (Haversian canal) that is surrounded by bone cells (osteocytes).

  • Epiphysis

    Enlarged ends of long bones that contains spongy bone and yellow bone marrow, except the head of the humerus and femur (contains red marrow).

  • Cartilage model

    The model that is used to describe how bone is manufactured from embryonic cartilage.

  • Bone marrow

    A substance that is found within the hollow areas of bone, red marrow is found within the spongy bones and yellow marrow is found in the shaft (diaphysis) of long bones.