BIOC33H3 Lecture Notes - Chondroblast, Hyaline Cartilage, Perichondrium

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cerisealligator589

18 Jan 2012

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Check out the pseudostratified ciliated columnar epithelium on the luminal surface, then move to the pale cartilage in the centre part of the section. The large cells in this tissue with dark nuclei and purple granular cytoplasm are chondrocytes. They can exist alone or in clusters of two or more. Chondocytes produce the pale staining stuff" that surround the cells, called cartilage matrix. It consists of large irregularly arranged proteins collagen and proteoglycans. The cartilage tissue is surrounded by fibrous perichondrium which is a regular arrangement of collagen; the nuclei visible, long and skinny and dark, are of fibroblasts. This is the same type of cartilage that is found on the articular surfaces of bones in synovial joints (and breaks down in arthritis). In the centre of this section you can see pale staining tissue with obvious regions of adipose tissue. The pale blue staining area is elastic cartilage, and consists of chondrocytes, cartilage matrix and elastic fibres.

Related Questions

Build a dichotomous key to all the tissues you have seen in the lab. For this, you can use any of their morphological characteristics (under the microscope) but not their physiological functions.

Tissues used in lab : hyaline cartilage, simple squamous epithelium, goblet cells, areolar tissue spread, bone ground, neuron motor nerve cell, adipose tissue, pseudostratified ciliated columnar epithelium, skeletal muscle, stratified squamous epithelium nonkeratinizing, blood, fibrocartilage, transitional epithelium, elastic cartilage, simple cuboidal epithelium, smooth muscle, simple columnar

1. Build a dichotomous key to all the tissues you have seen in the lab. For this, you can use any of their morphological characteristics (under the microscope) but not their physiological functions.

Tissues seen in the lab:

Epithelia: simple squamous, simple cuboidal, simple columnar, pseudostratified columnar, stratified squamous, stratified cuboidal and columnar, transitional, Globet cells.

Connective: adipose, areolar, hyaline cartilage, fibrocartilage, fibrocartilage, elastic cartilage, bone, blood

Muscle: smooth, muscle, cardiac muscle, skeletal muscle

Nervous: neuron cells, glial cells

Build a dichotomous key to all the tissues you have seen in the lab. For this, you can use any of their morphological characteristics (under the microscope) but not their physiological functions.

Tissues seen in this lab:

1) Epithelia: simple squamous, simple cuboidal, simple columnar, pseudostratified columnar, stratified squamous, stratified cuboidal and columnar, transitional, and specialized epithelia (goblet cells).

2) Connective Tissue: Adipose, Areolar, Cartilage, hyaline cartilage, fibrocartilage, elastic cartilage, bone and blood.

3) Muscle: Smooth muscles, Cardiac muscles, skeletal muscle

4) Nervous tissues: Neurons, central nervous system (CNS), satellite cells, schwann cells, ependymal cell

BIOC33H3 Lecture Notes - Chondroblast, Hyaline Cartilage, Perichondrium

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