welcome to biol 252 anatomy and physiology
TRANSCRIPT
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Welcome to BIOL 252Anatomy and Physiology
http://www.youtube.com/watch?v=ZRoSy1Hwouo
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Welcome to BIOL 252Anatomy and Physiology
Dr. Gidi [email protected]
Office: Wilson G41Office hours: Tue and Thur 02:00-04:00
http://www.bio.unc.edu/courses/2009Fall/Biol252Sections456/
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LabsWilson 111, 212
My officeWilson G41
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Departmental Advising
For example: tutoring (every TW 6-9, or by appointment) including BIOL252
http://learningcenter.unc.edu//
http://www.bio.unc.edu/Faculty/Shemer/
Available coursesChoosing the right courseCareer decisions
Research opportunities Graduate school in BiologyResources at UNC
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Departmental Advising
“Smart students take advantage of resources.Successful students seek help”
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Anatomy : the study of structure
Physiology : the study of function
The lab will mainly deal with AnatomyCoordinated by Dr. Corey JohnsonSelf-work with 3D models
Quizzes on blackboard BEFORE the lab
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Marieb and Hoehn, third edition
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Lectures are important
Grading 25% x 3 exams = 75% lab exercises = 25%
(respect your peers)No notes providedUse the ppt handouts
Answer open questions
THINK!!! Spoonfeeding- not on my watch
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Blackboard
• Announcements• Syllabus, schedule• Powerpoints• Assigned readings• Links• Grades
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Bookstore only (arriving Friday)
Optional Lab Manual:
Bookstore only
Recommended for those who know themselves to be kinesthetic learners. If coloring between the lines is useful to you and helps you remember lots of information, this manual is recommended. The author feels the manual is overpriced, so you will be able to “get by” without it. A more bare-bones version will be made available through blackboard at no cost.
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Lab Info:• Lab is a co-requisite. Students not enrolled for a
lab will be dropped from lecture enrollment.• Labs begin Monday, August 31• A syllabus will appear on your lab blackboard site
in the next week• You will likely have an assignment due on your
first day of lab. Pay attention to the “announcements” section of you lab blackboard site.
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Registration
Sign-up sheet available up front
Those with relevant needs have prioritymajor requirement – nursing, pharmacy, etc.Otherwise: Seniors > Juniors > Sophomores
Being pre- (med, dental, vet, ophthalmology, etc.) does not constitute a priority
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HomeostasisPhysiology
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how the varied components of living things adjust to maintain a constant
internal environment that makes possible optimal functioningWB Cannon
Homeostasis
So we have a balanced state, but it is NOT static!!
Homeostatic Imbalance = Diseases (e.g. diabetes)
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Anatomy
Gross Anatomy- study of structures visible to the naked eye
Microscopic Anatomy- study of structures visible ONLY with a microscope
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Chemical
Cellular
Tissue
OrganOrgan system
Organismal
Levels of organization
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Planes of the Body
Frontal plane
Sagittal planemid/ para
Transverse plane
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Body Cavities
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Covering and Lining Membranes
Cutaneous Membrane(covering the surface)
Mucous Membranes(open to the exterior)
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Serous Membranes(moist)
Covering and Lining Membranes of the Ventral Body Cavity
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Covering and Lining Membranes of the Ventral Body Cavity
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Chemical
Cellular
Tissue
OrganOrgan system
Organismal
Levels of organization
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Support Protect
Movement Control
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Different Tissues can be Found in One Organ
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Epithelial Tissue
1) Covering and lining epithelium
2) Glandular epithelium
Functions1) Protection (e.g. skin)2) Sensory Reception (e.g. skin)3) Absorption (e.g. intestine)4) Secretion and Filtration (e.g. kidney)
e.g. = exempli gratia, "for the sake of an example"
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Epithelial Cells are Closely Bound Together
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Epithelial Cells are Closely Bound Together
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Epithelial Cells are Polarized
Apical- towards the lumen/surfaceBasal- towards underlying cells
Lateral- contacting other epithelial cells
Apical
Basal
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Polarized
Closely Bound Together
Avascular but Innervated
High Regenerative Capacity
Characteristics of Epithelial Cells
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Classification of Epithelia
squamous cuboidal columnar
simple
stratified
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Epithelial Tissue
1) Covering and lining epithelium
2) Glandular epithelium
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Glandular Epithelia
Endocrine Glands: secreting internally, to the extracellular space
Exocrine Glands: secreting externally, to the body surface or body cavities
A Gland: cell/s that make and secrete products.
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Endocrine Glands: secreting internally, to the extracellular space (hormones)
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Exocrine Glands: secreting externally, to the body surface or body cavities
A goblet cell, secreting mucin
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Modes of Secretion
Merocrine Holocrine
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The connective Tissue
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Connective Tissue
FunctionsSupport
ProtectionInsulationTransport
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Connective TissueCells
+ Extracellular Matrix (ECM)
http://fulton.edzone.net/
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Extracellular Matrix (ECM)
Ground Substance+
Fibers
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Proteoglycans (GAGs + a core proteins)
Tissue fluid
Adhesion proteins
Ground Substance
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Extracellular Matrix (ECM)
Ground Substance+
Fibers
BoneTendo
n
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Fibers of connective tissues
Collagen fibers Reticular fibers Elastic fibers
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Defect in collagen assembly
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Connective TissueCells
+ECM = ground substance+ fibers
http://fulton.edzone.net/
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Connective Tissues
Connective tissue proper
Fibroblasts Osteoblasts Chondroblasts Blood cells
Bone Cartilage Blood
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Loose Areolar Adipose
Dense regular Dense irregular
Loose Connective Tissue
Dense Connective Tissue
Connective tissue proper
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Loose connective tissue: AreolarConnective tissue proper
supports and binds tissues
a reservoir of water and nutrients
defense (macrophages)
Homeostatic Imbalance
Edema
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Please read and understand Fig. 4.9 (a-e) in your textbook
Loose Areolar Adipose
Dense regular Dense irregular
Connective tissue proper
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Loose Areolar Adipose
Dense regular Dense irregular
Loose Connective Tissue
Dense Connective Tissue
Connective tissue proper
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Connective Tissues
Connective tissue proper
Fibroblasts Osteoblasts Chondroblasts Blood cells
Bone Cartilage Blood
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Next: the body’s organ systems The Integumentary System
http://www.mvla.net/