MODULE TWO M2L1 Slide 1 The process that generates all of our blood cells is called hematopoesis. This multistep process takes place mostly in the bone marrow. Hematopoiesis actually starts in embryonic development at a different site called the yolk sac‚ but at this early stage‚ only a few types of cells are generated. The process moves to other places‚ such as the fetal liver‚ but at birth‚ most hematopoiesis occurs in the bone marrow. At any given time‚ there is a hierarchy of cells in
Premium Bone marrow Stem cell Developmental biology
Anatomy Review Sheet 2 Respiratory Nomenclature Upper Respiratory VS Lower Respiratory -Are separated by the larynx -Upper Respiratory is the conducting pathway; Histology: Pseudo Stratified Ciliated Columnar Epilithlial Tissue. -Lower Respiratory Tract is everything below the larynx‚ exchange pathway. Meaning perfusion. Histology: Simple‚ because you want more passive mechanisms of perfusion. -Terminal Bronchiole Alveoli The rate limiting step and the final common pathway that
Free Digestion Digestive system
Title: Introduction to cell‚ tissues and organ Objectives: 1. To study the different type‚ function‚ structure and histology of cell‚ tissue‚ and organs in human body. 2. To learn how to identify different cell and tissue based on their structure and shape. 3. To learn how to use the microscope properly to observe the slide of different cell and tissue. Introduction: Cell is the basic structural and functional units of an organism that are composed of chemicals. Cell is the smallest living unit
Premium Epithelium Connective tissue Tissues
The Potential of Pericytes Found in Blood Vessels Do pericytes found in blood vessels create more potential for adult stem cell research? The capability to revert blindness‚ cure diabetes‚ let paralyzed people walk again‚ replace deficient organs with newly grown ones and cure blood diseases are a few of the many potential functions of stem cells. A stem cell is an unspecialized cell that can develop into many different cell types in the body during early life and growth
Premium Stem cell
There have been many studies done to research the medical use of marijuana. An article titled‚ “Recent Research on Medical Marijuana ” published by Paul Armentano‚ the deputy director of the NORML foundation‚ discusses the benefits of the use of marijuana in the medical world. The NORML foundation is a nonprofit foundation that was founded in 1997 to help educate the public about marijuana and marijuana laws/policies. They also help victims of current marijuana laws. Reading the article provided
Premium Medical cannabis Cannabis Multiple sclerosis
mitotic spindle‚ thus preventing their proper polymerization and causing metaphase arrest” therefore blocking the cell division. On the other hand‚ doxorubicin acts as an interference to “DNA-dependent RNA synthesis”. It distorts DNA leading to cell apoptosis. The use of dexamethasone versus prednisone varies among groups of patients because each of these glucocorticoids has pros and cons. Dexamethasone is associated with greater untoward side effects than prednisolone. Although‚ dexamethasone exhibits
Premium Bone marrow Leukemia Acute lymphoblastic leukemia
Cytokines | TNF | Macrophages‚ T cells | (1) Induce fever; induce WBC release from bone marrow.(2) ↑ thrombogenicity (coagulation) of endothelium‚ aggregation & activation of neutrophil (3) induce liver to synthesise acute phase protein (4) causes apoptosis of cells (5) catabolism of muscle & fat (cachexia) | IL-1 | Macrophages‚ endothelial cells | (1) Chemotaxis‚ fever‚ WBC release from marrow‚ histamine release (2) Induce liver synthesise acute phase protein (3) Activate endothelium‚ adhesion
Premium Immune system Inflammation
Testicular cancer involves the malignant transformation of normal gonocytes into germ cell tumours. It is the most common malignancy amongst men aged 15-35 years‚ and has a current cure rate of 90%‚ however incidence amongst Caucasian males is steadily rising.1 There are three main types: teratoma‚ usually neonates and children; seminoma/nonseminoma‚ occurs in men >15 years old; and spermatocytic seminoma which occurs in men >50 years old. Seminoma/nonseminoma are the most common‚ and only malignant
Premium Cancer Oncology Metastasis
The mTOR Pathway Introduction The mammalian target of rapamycin (mTOR) signaling pathway integrates both intracellular and extracellular signals and serves as a central regulator of cell metabolism‚ growth‚ proliferation and survival. Discoveries that have been made over the last decade show that the mTOR pathway is activated during various cellular processes (e.g. tumor formation‚ insulin resistance‚ adipogenesis and T-lymphocyte activation) and is deregulated in human diseases such as cancer
Premium Signal transduction Protein
Biol GOD Notes. First Edition 1 L. Leong 2012 Chapter 1: Molecules of Life Cell Theory ∝ All living things are composed of cells and the products of cells ∝ Cells are the basic functional unit of life ∝ All cells arise from pre-existing cells Living Things Unicellular: consisting of one cell Multicellular: composed of many cells ∝ All living things: grow and develop‚ regulate metabolic processes‚ move‚ respond to stimuli‚ reproduce AUTOTROPHS: manufacture their own organic carbon compounds
Premium Cell Protein Bacteria