Photos e discussion courtesy of Nina Zanetti- This specimen is from a.pdf

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Photos e discussion courtesy of Nina Zanetti: This specimen is from a 67 y/o WM. A normal portion of the specimen is shown in image B and C. Portions of the lesion appear in all the other imnges. 1. What tissoe is represented by the solid pink framments (best seen in "notmaf" areas, shown in images B and C )? 2. What oells are normally present within the pink substance of this tissue? 3. What additional tissucs are present in the specimen? 4. What alierntions in cells and tisoue architecture tell you that something is wrong ? What general discase process has occumed here? 5. What is the discaee? 6. What histological signs of inflammation are present in the micrographs? For example: What epecial kind of tissue appears in the figures I and I 4 and what role does it have in the inflammatory process? 7. What are the large, thin-walled, hollow structures? 8. What are the star-shaped or elongated cells, and why do they dppear different in this specimen than they do in "normal" tissue? 9. What are the very large, multinucleated cells that appear in Fig J , and what is there function? 10. The articular cartilage also shows some pathological abnormalities. What are they, and what do those aboormalitics add to the diagnosis?.

Education

Sheet1PMGT 576 Assignment Rubric – Unit 8 Assignment20Is the Lean Canvas complete? Do each of the canvas sections demonstrate a clear understanding of the question or item posed? 20Do each of the canvas sections provide a clear, concise, and reasonable approach or description in addressing each one?20Does the canvas demonstrate creativity and innovation in addressing each of the sections?25The text is grammatically correct and there are no spelling or punctuation errors. 15Total100 CBIO Lab: Mitosis and Meiosis p. 1/10 Name:_________________________ Instructor: ___________ Section: ___ MITOSIS AND MEIOSIS One of the tenets of cell theory is that all cells come from pre-existing cells. All individual organisms begins with one cell, and yet in multicellular organisms the number of cells in the adult may be in the trillions. This requires cells to repeatedly divide during the life of an organism. The average adult human body is made up of about 37 trillion cells. Of these, approximately 50 billion are fat cells and 2 billion are heart muscle cells. By the time you finish reading this sentence, 50 million of your cells will have died and been replaced by others. Human cells are estimated to divide nearly 2 trillion times every day. Amazingly, humans contain at least 10 times as many bacteria cells as human cells. The 100 trillion bacterial cells are much smaller than human cells and have a faster generation time. Mitosis and meiosis are two processes that produce new cells through cell division, which occurs as a part of the cell cycle. The new “daughter” cells produced by these processes are quite different because they have different purposes. These differences occur because the processes have several key differences as outlined in the video lecture. You will be doing several lab activities examining mitosis and meiosis and what can happen if problems occur during these cell division processes. Why are we doing this lab? 1. To gain a better understanding of the mitotic and meiotic processes of cell division that occur in humans and all other animals. 2. To examine how issues in mitosis and meiosis can lead to diseases and disorders in humans. CBIO Lab: Mitosis and Meiosis p. 2/10 Background: Phases of mitosis For each phase, draw and label: a. Chromatin or chromosomes b. Centrosomes c. Microtubules/spindle d. Cell membrane CBIO Lab: Mitosis and Meiosis p. 3/10 Activity 1: Mitosis under the microscope 1. Use Google images of mitosis (Google “mitosis of onion root tip”) to identify cells in interphase and all phases of mitosis. Cells in…Interphase will have chromatin, not distinct chromosomes Prophase will have distinctly visible chromosomes Metaphase will have chromosomes lined up along the equator of the cell Anaphase will have chromosomes separating at the centromeres Telophase will have chromosomes decondensing into chromatin and a .

Mitosis Essay

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cytopathology.pptx mbbs pg pathology students

NehaBanseria1

a combining form meaning “cell,” used in the formation of compound words: cytoplasm. Naiveté: Word of the Day 261 Play Video Naiveté: Word of the DayNOW PLAYING Dragée: Word of the Day Wistfully: Word of the Day Synchronicity: Word of the Day Surprise! These Phrases Are Repetitive Biggest Smile Wins! Dictionary.com's 2024 Silly Words Bracket Biblioklept: Word of the Day What's DoggoLingo? Speak Like A Dog (Or Cat)! Who Created The Hijab Emoji? What Exactly Is An Adverb? Connoisseur: Word of the Day Ew. Do You Use These Terms For Bodily Functions? Can You Answer These Capitalization Questions Correctly? Hey, Y'all: How Do YOU Pluralize "You"? How Well Do You Know Your Baby Animals? Ready For These Fun Synonyms? Here's How To Liven Up Your Vocab This Or That: Jealous vs. Envious Game Show: Can YOU Define These Relationship Words? QUIZ TRY THIS EASY QUIZ ON THE MARCH SYNONYMS OF THE DAY! It’s so effortless to summon all the synonyms, you’ll beam! QUESTION 1 OF 11 Which is a synonym for GRAMMAR? principles fortitude cupidity TAKE THE QUIZ TO FIND OUT ORIGIN OF CYTO- 1 <Greek kyto-, combining form of kýtos container, receptacle, body Also cyte-; especially before a vowel, cyt-. WORDS NEARBY CYTO- CythereaCythereancytidinecytidine monophosphatecytidylic acidcyto-cytoanalyzercytochemistrycytochromecytochrome reductasecytocidal DICTIONARY.COM UNABRIDGED BASED ON THE RANDOM HOUSE UNABRIDGED DICTIONARY, © RANDOM HOUSE, INC. 2024 WORDS THAT USE CYTO- What does cyto- mean? Cyto- is a combining form used like a prefix meaning “cell.” It is used in many scientific terms, especially in medicine and biology. Cyto- comes from the Greek kýtos, meaning “container,” “receptacle,” “body.” What are variants of cyto-? When combined with words or word ea combining form meaning “cell,” used in the formation of compound words: cytoplasm. Naiveté: Word of the Day 261 Play Video Naiveté: Word of the DayNOW PLAYING Dragée: Word of the Day Wistfully: Word of the Day Synchronicity: Word of the Day Surprise! These Phrases Are Repetitive Biggest Smile Wins! Dictionary.com's 2024 Silly Words Bracket Biblioklept: Word of the Day What's DoggoLingo? Speak Like A Dog (Or Cat)! Who Created The Hijab Emoji? What Exactly Is An Adverb? Connoisseur: Word of the Day Ew. Do You Use These Terms For Bodily Functions? Can You Answer These Capitalization Questions Correctly? Hey, Y'all: How Do YOU Pluralize "You"? How Well Do You Know Your Baby Animals? Ready For These Fun Synonyms? Here's How To Liven Up Your Vocab This Or That: Jealous vs. Envious Game Show: Can YOU Define These Relationship Words? QUIZ TRY THIS EASY QUIZ ON THE MARCH SYNONYMS OF THE DAY! It’s so effortless to summon all the synonyms, you’ll beam! QUESTION 1 OF 11 Which is a synonym for GRAMMAR? principles fortitude cupidity TAKE THE QUIZ TO FIND OUT ORIGIN OF CYTO- 1 <Greek kyto-, combining form of kýtos container, receptacle, body Also cyte-; especially before a vowel, cyt-. WORDS NEARBY CYTO- CythereaCythereancyt

B5 lesson part one

samuelaylward

This document provides an overview of the lessons in a growth and development module, including the key topics and objectives covered in each lesson. The 12 lessons cover topics like growing and changing, growth patterns in humans and plants, cell division and specialization, sexual reproduction, protein production, and phototropism. Each lesson includes activities, literacy and numeracy focus areas, and questions to extend learning. The lessons explore how organisms develop from single cells to complex multi-cellular organisms through cell division and specialization of tissues and organs.

Mitosis Key Process

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Observing Mitosis

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The document is a lab report describing an experiment observing mitosis. It includes an introduction stating the objective was to observe different phases of mitosis using orcein ethanoic stain on onion root tip slides. The results section describes cells in telophase of mitosis or meiosis being observed. Safety precautions of wearing gloves and goggles are discussed. Treatment with hydrochloric acid is said to help stain the specimen. The discussion notes issues viewing slides initially but improvement after pressing. Cells were counted in the microscope's field of view and phases of mitosis were drawn to aid differentiation.

Bio lab act1

iamkim

This document provides instructions for an activity where students will observe onion root tip cells under a microscope to identify the different stages of mitosis. Students will view prepared slides of onion root tip sections and identify cells in interphase and the different mitotic phases (prophase, metaphase, anaphase, and telophase). They will count the number of cells in each phase and calculate percentages to analyze the frequency of cell division. The goal is to observe mitosis in action and understand that it is a continuous process that ensures the normal number of chromosomes is restored after each cell division.

Chapter 4

Yukti Sharma

Tissues are groups of cells that work together to perform specialized functions. There are four basic tissue types: epithelial, connective, muscular, and nervous. Epithelial tissues line body surfaces and form glands. Connective tissues support and bind organs. Muscular tissues generate force for movement. Nervous tissues detect changes and generate nerve impulses. Tissues are named based on cell shape and layer arrangement, with the most common epithelia being simple squamous, simple columnar, and pseudostratified columnar. Connective tissues perform many functions and contain sparse cells in an extracellular matrix.

This document provides information about cell structure and function from a student's self-learning material. It discusses the variation in number, shape, and size of cells and describes the structure of a generalized cell, including the cell membrane, cytoplasm, nucleus, and various organelles. It compares the structures of plant and animal cells and explains cell division and growth. The key points covered are that cells are the basic structural and functional units of life, they vary in number, shape, and size, and all cells have a basic structure including a cell membrane, cytoplasm, and nucleus despite differences.

Unit 7 mitosis powerpoint (revised2013)

mpiskel

Unit 7 explores cell growth, development, and division, noting that cells must divide for organisms and tissues to grow and repair, and that excess nutrients can cause algal blooms; it describes the cell cycle and the four stages of mitosis - interphase, prophase, metaphase, anaphase, and telophase - in which chromosomes duplicate and separate, leading to two identical daughter cells through cytokinesis.

Lesson5_G7.pptx fmdlkmvdklmvkldfmvkldfmvkldfmvkldflkv

LeiraMariel1

The document contains information about cells: 1) The ovum or female egg cell is the largest cell in the human body. Scientists believe cells are the basic structure of living things because all living things are made of cells that come from other cells. 2) To view cells under a compound microscope, specimens must be stained and focused carefully. 3) The document provides diagrams of plant and animal cells and asks questions to test understanding of cell structures like the nucleus and cytoplasm.

Pseudostratified Ciliated Columnar Epithelium 1- Shape of cells 2- Num.pdf

RyanokNOliverq

Pseudostratified Ciliated Columnar Epithelium 1. Shape of cells 2. Number of cell layers 3. What membrane specialization on the free surface do you see in this tissue? 4. Why this tissue is called pseudostratified? State the functions of the tissue in the following locations: Bronchi and trachea Stratified Squamous Epithelium 1. Shape of cells 2. Number of cell layers State the functions of the tissue in the following locations: Lining of mouth, anus, esophagus Transitional Epithelium 1. Shape of cells 2. Number of cell hayers Transitional epithelium has the ability to stretch and return to its original form, very much like a rubber band. This tissue is found lining the urinary bladder and ureters. Why is the ability of the tissue to stretch important in these locations? Connective Tissues Connective tissues are quite diverse in structure and function. All connective tissues contain cells that secrete the non-living ground substance and fibers, which form the matrix. Cell types: 1. Fibroblasts - most connective tissues 2. Chondrocytes - cartilage 3. Osteocytes - bone 4. Adipocytes-adipose tissue 5. Reticulocytes - reticular tissue.

Chapter 4 section 1 (cell divsion and mitosis)

Mr. Motuk

This document provides an overview of the cell cycle and cell division. It begins with an introduction to the cell cycle, which consists of interphase followed by mitosis and cytokinesis. Interphase includes the G1, S, and G2 phases where the cell grows and duplicates its DNA. During mitosis, which has four phases (prophase, metaphase, anaphase, telophase), the cell nucleus divides to form two identical nuclei. Cytokinesis then divides the cytoplasm, producing two daughter cells. The document also discusses asexual reproduction, where mitosis produces genetically identical cells, and various asexual reproduction methods like budding and regeneration in different organisms.

Role of Mesenchymal Stem Cells in Orthopedic Treatment of Tendon and Ligament...

Daniel Janisz

Mesenchymal stem cells show promise for treating tendon and ligament injuries. They can differentiate into tissues like cartilage, tendon and bone. When injected into damaged areas, mesenchymal stem cells aid regeneration through multiple mechanisms. However, challenges remain in controlling differentiation and ensuring safety. Further research is needed to optimize mesenchymal stem cell-based therapies for orthopedic applications.

All Cells Fill In Notes.

Mrs. Henley

Meiosis And Mitosis Lab

Kimberly Brooks

This document provides instructions for a lab to observe mitosis in onion root tip cells. Students will examine prepared slides of onion root tips under a microscope to identify and count the number of cells in each stage of mitosis. This includes making a pie chart to calculate the relative duration of each mitotic phase. The hypothesis is that interphase will be the most commonly observed phase since cells spend most of their time in interphase.

1.6 Cell division (CANCER,MITOSIS, DIVISION)

sandra62873

Lessofucucuchcucuc hchchcuc uufcn-04.pdf

dddshuba

The document discusses the structure and function of cells. It begins by stating that cells are the basic structural and functional units of all organisms, though their sizes and structures may vary depending on their functions. It then describes the cell theory proposed by Schleiden and Schwann in 1838, which states that all organisms are composed of cells, the cell is the basic unit of life, and new cells are formed from existing cells. The document goes on to describe the key components of cells, including the plasma membrane, cytoplasm, and nucleus. It distinguishes between prokaryotic and eukaryotic cells, and between plant and animal cells.

Labonionanswersheet

Abcdefghigk

1. The document describes a lab activity where students observe onion and cheek cells under a microscope. They prepare slides of each cell type using different stains and observe the cells' structures. 2. Key structures observed in onion and cheek cells included the cell membrane, cytoplasm, and nucleus. Onion cells also had a cell wall. Cheek cells were roughly circular while onion cells were rectangular. 3. The purpose was to compare plant and animal cells and identify their similarities and differences. It also helped students practice microscope skills and learn that cell membranes are semi-permeable based on different stains being used.

Mitosis Lab Report

Melissa Moore

This lab report summarizes the results of observing mitosis in whitefish and onion root tip cells under a microscope. The four stages of mitosis - prophase, metaphase, anaphase, and telophase - were clearly seen. Interphase was also observed, where the cell prepares for cell division by growing in size and replicating its chromosomes. The stages of mitosis allow the cell to accurately distribute identical copies of its genetic material to two new daughter cells.

Biology form 4 chapter 5 cell dvision part 2 (meiosis)

Nirmala Josephine

Meiosis is a process of nuclear division that reduces the chromosome number from diploid to haploid. It occurs in two divisions, meiosis I and meiosis II, producing four haploid daughter cells. In meiosis I, homologous chromosomes separate, reducing the number by half. Meiosis II then separates sister chromatids, similar to mitosis, resulting in four haploid cells each with half the original chromosome number. This ensures genetic variation and maintains the diploid number after fertilization.

Chapter 2 homework revised 11.24.13

michael jones

1. The document discusses atomic evolution, which is the process by which simple atoms evolve into more complex atoms through fusion of nuclei. It also discusses how increased complexity in systems and organisms leads to decreased stability based on the Principles of Complexity and Instability. 2. It then covers basic concepts about cell structure, genes, and mutations. Differentiation of function is defined as the development of specialized structures in multicellular organisms that allow for functions to help the total organism survive. 3. Sexual reproduction is discussed as providing advantages over asexual reproduction, including allowing for variation within a species and avoiding some instability from mutation.

251536299

Luiz Sommer

Stem cells have the unique ability to differentiate into many different cell types and play an important role in tissue regeneration and repair. There are several types of stem cells including embryonic stem cells, which are the most pluripotent and can differentiate into any fetal or adult cell. Adult stem cells are found in various tissues and can differentiate into a narrower range of cell types to replenish or repair that tissue. Induced pluripotent stem cells are generated in a lab by reprogramming adult cells using growth factors to return them to an undifferentiated state similar to embryonic stem cells. Stem cells offer promise for regenerative medicine and treatment of various diseases.

Case record...Brain stem pilocytic astrocytoma

Professor Yasser Metwally

A 15-year-old male presented with nausea, vomiting, and ataxia. MRI showed a large cystic lesion in the pons with a mural nodule. Stereotactic biopsy revealed pilocytic astrocytoma. Pilocytic astrocytomas typically appear as a cyst with a mural nodule, representing a fluid-filled cyst surrounded by compressed neural tissue, with the tumor confined to the nodule. Microscopically they contain hair-like bipolar cells and Rosenthal fibers, with abnormal vasculature that leaks fluid forming microcysts and macrocysts. They generally grow by expansion rather than infiltration.

bone marrow

Azizah Mh

Bone marrow is a soft tissue found within bone cavities that produces blood cells. There are two types - red marrow, which produces blood cells, and yellow marrow, comprised mainly of fat cells. Red marrow is present throughout the skeleton in children but shifts to predominantly the skull, sternum, vertebrae and pelvis in adults. Bone marrow biopsy and aspiration involve inserting a needle into bone to extract a tissue sample or fluid for examination under a microscope to diagnose conditions that affect blood cell production, such as leukemia, lymphoma or multiple myeloma. Complications can include pain, bleeding or infection at the biopsy site.

Chapter 2 (student)

matkas

This document provides information on cell structure and organization. It includes: - A concept map showing the structures of plant and animal cells and their organelles. - Instructions and questions for experiments observing onion and plant cells under a microscope. - A matching exercise for organelles in plant and animal cells. - Tables comparing plant and animal cells and predicting the organelles present in different cell types. - Electron micrographs of cells and questions about identifying organelles and their functions. - Passages on protein synthesis and cell specialization in tissues and organisms.

Qtr 2 module 1 from cell to organism

Makati Science High School

This document discusses the hierarchical organization of living organisms from cells to tissues to organs to organ systems. It provides examples of organ systems in humans and plants like the circulatory, excretory, root and shoot systems. The key points are: 1) Organisms like humans, animals and plants are made up of organ systems that work together for functions like digestion, transport and reproduction. 2) Organ systems consist of organs which have related functions and are composed of tissues. 3) Tissues are made up of cells, which are the basic structural and functional units of all living things. 4) Damage at any level of this hierarchy affects the levels above and the organism as a whole.

Chapter 4 section 1 (cell divsion and mitosis)

Mr. Motuk

Cells undergo a life cycle of growth, division, and replication. The cell cycle consists of interphase, where the cell grows and duplicates its DNA, and mitosis, where the cell divides into two identical daughter cells. During interphase, cells progress through G1, S, and G2 phases before entering mitosis. Mitosis is further divided into prophase, metaphase, anaphase and telophase where the duplicated chromosomes separate and new nuclei form. Cytokinesis then partitions the cytoplasm, organelles and membranes, resulting in two daughter cells each with identical genetic material to the original parent cell. Asexual reproduction relies on this process of cell division to produce offspring that are genetically identical to the parent.

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Photos e discussion courtesy of Nina Zanetti- This specimen is from a.pdf

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