Oral Biology
Freshman Year

ORB 111 Biochemistry (Fall)
Study of the chemical components of the body with primary emphasis on
the structure, function and synthesis of the macromolecule components of cells and
tissues. The roles of proteins, nucleic acids, lipids, and saccharides in metabolic
processes and metabolic regulation are examined as are the interrelationships among
carbohydrates, lipids, amino acids, purines, and pyrimidines. Replication and expression
of genetic information are discussed in the context of growth regulation, hormone action,
genetic disorders, and malignant disease.
ORB 113 Histology (Fall)
Microscopic anatomy of normal mammalian and/or human tissues and
organs. Light and electron microscopic aspects of the tissues and organs are studied
(Split classes for laboratory).
ORB 115 General Gross and Neuroanatomy (Fall)
Basic instruction in the gross anatomy of the upper extremity, thorax,
and abdomen. The neuroanatomy of the central and peripheral nervous system is studied with
emphasis placed on the sensory and motor pathways. This course is taught by lecture,
laboratory dissection, models, radiographic images (X-rays, MRIs, and CTs), and various
multimedia resources (Split classes for laboratory).
ORB 131 Head and Neck Anatomy (Spring)
Basic instruction in the gross anatomy of the Head & Neck. Special
emphasis is placed on the clinical application of anatomy to the various dental
disciplines. Such topics include the anatomy and pathology of the TMJ and distribution of
the trigeminal and facial nerves with associated applied anatomy. This course is taught by
lecture, laboratory dissection, models, radiographic images (X-rays, MRIs, and CTs), and
various multimedia resources (Split classes for laboratory).
ORB 133 Oral Histology and Embryology (Spring)
Microscopic and developmental anatomy of the normal cells, tissues, and
organs of the oral cavity with stress on teeth and related tissues. Emphasis will be given
to the growth and development of the human embryo. Genetic effects will be presented. The
developmental anatomy of selected organ systems will also be presented (Split classes for
laboratory).
ORB 135 Microbiology (Spring)
Basic instruction in bacteriology, immunology, mycology, virology, and
parasitology. Microbiology as it pertains to the mouth and dentition. Laboratory method
for isolation, recognition, and study of individual organisms, including mouth flora
(Split classes for laboratory).
ORB 141 General Neuroscience (Spring)
Basic instruction in the neuroanatomy of the central and peripheral
nervous system continued from ORB 115. This course also integrates some of the basic
concepts of neurophysiology. Some of the topics include membrane potentials, action
potentials, and resting potentials. This course is taught by lecture and various
multimedia resources.


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