2017/18
29303 - Cellular and histological biology
229 - Facultad de Ciencias de la Salud y del Deporte
Basic Education
5.3. Syllabus
CELL BIOLOGY LECTURES
1.-Introduction to Cell Biology
Cell clasification. Eukaryotic cell organization. Cells as experimental models. Tools of Cell Biology: Immunocytochemistry; Nucleic acids hybridization; Microscopy; cell isolation and subcellular fractionation; Cell culture.
2.- The Origin and Evolution of Cells.
Cell theory. The first cells. The endosymbiotic theory. Prokariotic cells. The origin of eukaryots. Level organization of cells. Cell evolution. The tissue level of organization. Animal cells and plant cells.
3.- The Plasma Membrane
General functions of cell membranse. Chemical composition and structure. Transport of small molecules through membranes. Endocytosis.
4.- The Nucleus
The nuclear envelope and traffic between the nucleus and the cytoplasm. Internal organization of the nucleus.The nucleolus and rRNA processing. Mitotic nucleus.
5.- Protein Sorting and Transport: ER, Golgi and Lysosomes
Endoplasmic reticulum: structure and function. The Golgi apparatus: organization and function. The mechanism of vesicular transport. Lysosomes: structure and function.
6.- Bioenergetics and Metabolism: Mitochondria, Chloroplasts and Peroxisomes
Organization and function of mitochondria. The genetic system of mitochondria. Protein import and mitochondria assembly. Chloroplasts: structure and function. The chloroplast genome. Import and sorting of chloroplast proteins. Peroxisomes
7.- The Cytoskeleton and Cell Movement
Microfilaments, microtubules and intermediate filaments.
8.- The Cell Cycle
The eukaryotic cell cycle. Regulators of cell cycle progression. Mitosis. Meiosis and fertilization.
9.– Cell Signaling
General principles of Cell Signaling. Signaling molecules and their receptors. Functions of cell surface receptors. Pathways of intracelular signal transduction. Signal transduction and the cytoskeleton.
10.- Cell Differentiation and Tissue Formation
Proliferation of differentiated cells. Stem cells and the maintenance of adult tissues. Pluripotent stem cells, nuclear reprogramming and regenerative medicine.
11.- Cell Biology of Cancer
Cancer concept. Developement and causes of cancer. Properties of cancer cells. Transformation of cells in culture. Oncogenes. Tumor suppressor genes. Cancer invasion and metastasis.
HISTOLOGY:
In these classes theoretical content of the subject should be studied taking into account that students have to previously have studied each unit, always based upon the information contained in the web site.
UNIT 1.- INTRODUCTION TO HISTOLOGY. Definition of Histology. Definition of tissue. Basic types of tissues.
EPITHELIAL TISSUE
UNIT 2. EPITHELIAL TISSUE
DEFINITION. EMBRYONIC ORIGIN OF THE EPITHELIUM: Ectoderm-derived epithelium. Endoderm-derived epithelium. Mesoderm-derived epithelium. Epithelial tissue functions. TYPES OF EPITHELIUM: Lining epithelium. Glandular epithelium.
UNIT 3.- EPITHELIUM
CLASSIFICATION. EPITHELIUM TYPES: Simple sqamous epithelium. Simple cubic epithelium. Simple columnar epithelium. Pseudostratified columnar epithelium. Transitional epithelium. Stratified sqamous epithelium. Stratified columnar epithelium. CYTOLOGICAL FEATURES: Specializations of the lateral surface. Specializations of the free surface. Specializations of the basal surface. PROPERTIES of the epithelium.
UNIT 4. EXOCRINE GLANDS
GENERAL: Mechanism of secretion. Release mechanisms for the secreted product. Regulation of exocrine secretion. EXOCRINE GLAND CLASSIFICATION: Depending on the number of cells. According to the excretory duct. According to the secretory portion. Depending on the nature of the secreted product
TYPES OF EXOCRINE GLANDS: Goblet cells. Secretory sheet. Intraepithelial glands. Simple tubular glands. Simple tubular glands. Simple branched tubular glands. Simple branched acinar glands. Composite tubular glands. Compound acinar glands. Compound saccular glands. HISTOLOGICAL ORGANIZATION OF An Exocrine gland . EXOCRINE GLAND FUNCTIONS.
UNIT 5. ENDOCRINE GLANDS
Mechanisms of intercellular communication. Autocrine secretion. Paracrine secretion. Endocrine secretion. Synaptic secretion. Morphology: isolated endocrine cells. Endocrine cells grouped inside other structures. Endocrine cells that are true endocrine glands. Cytologic features: polypeptide secreting cells. Steroid-secreting cells. STORAGE OF HORMONES: Inside secretory granules. As follicular colloid (thyroid).
SUPPORT AND CONNECTIVE TISSUES
UNIT 6. INTRODUCTION
DEFINITION OF CONNECTIVE TISSUE. Connective tissue components: Extracellular matrix and Cells. VARIETY OF CONNECTIVE TISSUE.
UNIT 7. EXTRACELLULAR MATRIX
Collagen fibers: Structure. Ultrastructure. Arrangement of molecules of tropocollagen. Collagen types. Reticulin fibers: Structure. Ultrastructure. Elastic fibers: Structure. Ultrastructure. ADHESIVE GLYCOPROTEINS: Laminin. Fibronectin. Entactin. Tenascin. PROTEOGLYCANS: Types of glycosaminoglycans and location. Cartilage proteoglycan. Nomenclature. Functions.
UNIT 8. CELLULAR TYPES
FIBROBLAST: Structure. Ultrastructure. Function. Macrophage: mononuclear phagocyte system. Structure / ultrastructure. Biological properties. The macrophage in the immune system. PLASMA CELL: Origin and location. Structure. Ultrastructure. Function. MASTOCYTE: Origin and location. Structure. Ultrastructure. Function.
UNIT 9. VARIETY OF CONNECTIVE TISSUE
Soft Connective Tissue : Features. Location. Dense Connective Tissue. Mucoid Connective Tissue: Features. Location. ELASTIC CONNECTIVE TISSUE: Features. Location. RETICULAR Connective Tissue: Features. Location. Connective tissue functions.
UNIT 10. ADIPOSE TISSUE
INTRODUCTION. WHITE or unilocular adipose tissue: Distribution. Structure. Ultrastructure. BROWN or multilocular adipose tissue: Distribution. Structure. Ultrastructure. Histogenesis of adipose tissue. Histophysiology OF Adipose TISSUE.
UNIT 11.- CARTILAGE TISSUE
INTRODUCTION. Hyaline cartilage: Histogenesis. Location. Structure. Ultrastructure: chondrocyte and extracellular matrix. ELASTIC CARTILAGE: Location. Structure. FIBROUS Cartilage: Location. Structure.
UNIT 12.- BONE TISSUE
DEFINITION. PROPERTIES OF BONE TISSUE. FUNCTIONS OF BONE TISSUE. STRUCTURE OF A BONE Macroscopic STRUCTURE. MICROSCOPIC STRUCTURE. BONE MATRIX. BONE CELLS: osteoprogenitor cells. Osteoblasts. Osteocytes. Osteoclasts. FORMATION OF BONE TISSUE: endochondral ossification and membranous ossification.
UNIT 13.- JOINTS
Sinartrosis: syndesmosis. Synchondrosis. Synostosis. Amphiarthrosis: Ligaments. Joint capsule.
MUSCLE TISSUE
UNIT 14. INTRODUCTION
CONCEPT OF MUSCLE TISSUE. CLASSIFICATION OF MUSCLE TISSUE. OTHER TYPES OF contractile cells: myoepithelial cells. Myofibroblasts. Pericytes.
UNIT 15.- SMOOTH MUSCLE
LOCATION. SMOOTH MUSCLE FIBER: Structure. Ultrastructure. Modes of association. Histophysiology.
UNIT 16.- STRIATED SKELETAL MUSCLE
HISTOLOGICAL ORGANIZATION OF MUSCLE. STRIATED SKELETAL FIBER MUSCLE: Structure. Fiber types. Ultrastructure. CHEMICAL COMPOSITION. BASIC MECHANISM MUSCLE CONTRACTION
UNIT 17.- CARDIAC MUSCLE
DIFFERENCES BETWEEN SKELETAL AND CARDIAC STRIATED MUSCLE. STRIATED CARDIAC MUSCLE FIBER: Structure. Ultrastructure. DIFFERENCES BETWEEN atrial and ventricular cells. CARDIAC CONDUCTION TISSUE: nodal cells. Purkinje cells.
BLOOD
UNIT 23. INTRODUCTION TO THE BLOOD
COMPOSITION OF BLOOD. STAIN OF A BLOOD SAMPLE. FUNCTIONS OF BLOOD.
UNIT 24.- BLOOD CELLS
Erythrocytes : Structure. Ultrastructure. Function. Platelets: Structure. Ultrastructure. Function. Neutrophil: Structure. Ultrastructure. Function. Eosinophil: Structure.
Ultrastructure. Function. Basophil: Structure. Ultrastructure. Function. Lymphocyte:
Structure. Ultrastructure. Types of lymphocytes.
UNIT 25.- HEMATOPOIESIS
PRENATAL hematopoiesis. BONE MARROW: Location. Structure: stroma and parenchyma. ERYTHROPOIESIS: Granulopoiesis. MONOPOIESIS: Lymphopoiesis. Trombopoiesis.
ODONTOLOGIC HISTOLOGY
UNIT 26.- ENAMEL, PERIODONTAL LIGAMENT, Alveolar BONE, GUM, dentogingival UNION, PRIMARY TEETH, buccal mucosa, lips, cheeks, floor of the mouth, palate, tongue. Physical properties. Chemical composition. Histological structure
LABORATORY SESSIONS:
CELL BIOLOGY
1.- Light Microscope use: Plant cells and organelles
2.- Observation of prokaryotic cells.
3.- Animal cell: observation and culture
4.- Mitosis
HISTOLOGY
In practical sessions, the students will observe different histological preparations including
- Basic Histology tools: light microscope use
- Lining epithelium
- Exocrine glands
- Endocine glands
- Connective tissue
- Adipose tissue
- Cartilage tissue
- Bone tissue
- Muscle tissue
- Teeth and periodontal tissue