Histology Purpose: What is the purpose of this exercise? The purpose of this exercise is to become more familiar with microscope and slides through observations of tissues. By looking at so many slides I am now much more comfortable at identifying some basic structures. The tissue slides were very important to my understanding of the tissue’s function. By looking at the dense regular tendon I can see how supportive it is because of all of the fibers present. It connected what I had read and
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Tissue Types Amy Chanda Morrison Colorado Christian University Our bodies have four different types of tissues. They are epithelial‚ connective‚ muscle and nervous. Each one has a specific job to do to keep the body in homeostasis. Patton stated “homeostasis is the relatively constant state maintained by the body” (pg.19). He also stated that “the precise and constant chemical composition of the internal environment must be maintained within very narrow limits‚ or sickness and death will result”
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Histology Laszlo Vass‚ Ed.D. Version 42-0013-00-01 Lab RepoRt assistant This document is not meant to be a substitute for a formal laboratory report. The Lab Report Assistant is simply a summary of the experiment’s questions‚ diagrams if needed‚ and data tables that should be addressed in a formal lab report. The intent is to facilitate students’ writing of lab reports by providing this information in an editable
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BIOS251 Week 3 Lab Exercise Tissues and Integumentary System 1. Describe the characteristics of epithelial tissue. (5 points) The most basic characteristics of the epithelial tissue is that it covers the surfaces of the body whether internal or external. It acts as a protective covering or boundary for such surfaces‚ including the outer layer of the skin‚ as well as the inner surface of the hallow organs like the stomach‚ colon‚ and blood vessels. Other characteristics is that it is made
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Types of epithelial tissue Connective tissue -Connective tissues are fibrous tissues. They are comprised of cells separated by non-living material‚ which is called extracellular matrix. Connective tissue holds other tissues together such as in the formation of organs‚ and has the ability to stretch and contract passively. Bone‚ often referred to as osseous tissue‚ and blood are examples of specialized connective tissues. Conective tissues are cells that are suspended in a matrix of their own secretions
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Rosacea is a skin disease that affects the middle third of the face. It is viewable as redness on the face and nose that normally blush. It is mainly seen on the forehead‚ the chin and the lower half of the nose. Pimples can occur in Rosacea‚ in fact pimples in most case are mistaken as acne known as acne rosacea. Rosacea is different from acne. It is mostly found in adults and is most commonly found in ages 30-60 especially adults who have fair skin. The difference between acne and Rosacea is that
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The human skin is the largest organ that covers our entire body‚ although it may seem simple‚ the skin carries out many functions. The skin has three main layers also known as the Epidermis‚ Dermis‚ and the Hypodermis. The Epidermis is the outermost layer that shields the body and consists of four cells types and five distinct layers. The Dermis is right under the Epidermis which contains strong connective tissue. This layer also contains our hair follicles that help regulate our body temperatures
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Table 1 Observation Table Tissue Description (colour‚ texture‚ etc.) Tissue it attaches to Skin 1. Pink (pale)‚ thin‚ a bit opaque‚ rough 2. Muscle‚ fat Fat 3. Yellowish‚ whiteish‚ somewhat shiny‚ creamy‚ a bit slippery 4. Skin Muscle 5. Pink‚ firm‚ thick on some spots‚ smooth 6. Skin‚ tendon‚ fat Tendon 7. White‚ a bit shiny‚ smooth 8. Muscle‚ bone Ligament 9. White‚ a bit shiny‚ slippery‚ small‚ smooth 10. Bones (to other joints) Cartilage 11. White‚ flexible‚ firm 12. Bone Analysis 13. What
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Classification of Epithelia Lines Examples Simple squamous Surfaces involved in passive transport Alveoli Endothelium Loops of Henle Simple cuboidal epithelia Surfaces involved in secretion and absorption Some glands Ducts Collecting tubule of kidney Simple columnar epithelia Surfaces involved in high rates of secretion and absorption Protection Stomach and small intestine where it has microvilli Collecting tubule of kidney Fallopian tubes where it is ciliated Pseudostratified Usually ciliated
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Diagram and example of where found Cuboidal Epithelium The simple cuboidal epithelium secrets and reabsorbs water and small molecules‚ it can be found in the kidneys tubules. The stratified epithelium secrets water and ions. Columnar Epithelium The simple columnar absorbs nutrients and produces mucus. It can be found in digestive organs e.g. small intestine. The stratified columnar secrets mucus.it can be found in the mammary glands. Squamous Epithelium The simple squamous allows exchange of nutrients
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