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Posted: 05/05/05

DHY 101 – Oral Embryology and Histology

 

Course Description

Focuses on the study of cells and tissues of the human body, with emphasis on those tissues that compose the head, neck, and oral cavity.  Topics include: cellular structure and organelles, histology of epithelium, histology of muscle tissue, histology of nerve tissue, histology of connective tissue, embryological development of the head and neck, tooth development and development of tooth supporting structures.

 

Competency Areas

Hours

Cellular Structure And Organelles

Class

2

Histology Of Epithelium

D. Lab

0

Histology Of Muscle Tissue

P. Lab/O.B.I.

0

Histology Of Connective Tissue

Credit

2

Embryological Development Of The Head And Neck

 

 

Tooth Development

 

 

Development Of Tooth Supporting Structures

 

 

 

Prerequisite:

Program Admission

Corequisite:

     

 

Course Guide

 

Competency

After completing this section, the student will:

Hours

Class

D.Lab

P.Lab/

O.B.I.


Cellular Structures And Organelles

1

0

0

     

Describe various components common to all body cells.

 

 

 

 

Describe functions of the various cellular organelles.

 

 

 

Histology of Epithelium

2

0

0

 

Identify germ layer of origin for epithelium.

 

 

 

 

Describe various types of epithelium, their location and function.

 

 

 

 

Name various strata of stratified epithelium.

 

 

 

 

Discuss various attachment mechanisms for epithelium.

 

 

 

 

Discuss composition and function of the basement membrane

 

 

 

Histology Of Connective Tissues

4

0

0

 

Describe various types of connective tissue.

 

 

 

 

Name and describe the function of specialized connective tissues and their locations.

 

 

 

Histology Of Muscles

3

0

0

 

Name various types of muscle and their locations.

 

 

 

 

Describe morphology of the different types of muscle cells.

 

 

 

 

Name and describe the components of a muscle cell and its function.

 

 

 

Histology Of Nerves

3

0

0

 

Identify various components of neurons.

 

 

 

 

Classify various nervous systems and their functions.

 

 

 

 

Describe nerve junctions and neurotransmitters utilizing correct terminology.

 

 

 

 

Describe various nerve impulses.

 

 

 

Embryological Development Of The Head And Neck

 

 

 

 

Describe early development of the embryo.

 

 

 

 

Describe germ layers and their relevance.

 

 

 

 

Describe development of the structures of the face.

 

 

 

 

Describe development of intraoral structures

 

 

 

Tooth Development

2

0

0

 

Describe histology of tooth development.

 

 

 

 

Describe enamel, dentin and cementum and identify germ layer origin.

 

 

 

 

Describe components of the pulp and embryologic origin.

 

 

 

Development Of Tooth Supporting Structures

 

 

 

 

Describe histological development of the periodontal ligament.

 

 

 

 

Identify two types of cementum.

 

 

 

 

Describe histological development of cementum

 

 

 

 

Describe histological development of the alveolus.

 

 

 

 

Suggested Resources

 

 

Avery, J.K.:  Essentials of Oral Histology and Embryology:  A Clinical Approach, Mosby, 1992.

Ten Cate, A. R.:  Oral Histology:  Development, Structure, and Function, fifth Ed., Mosby, 1998.