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Living Cells
Living Cells

... (which is cellular waste and requires to be excreted out by the cell) accumulates in high concentrations inside the cell. In the cell’s external environment, the concentration of CO2 is low as compared to that inside the cell. As soon as there is a difference of concentration of CO2 inside and outsi ...
detailed lecture outline
detailed lecture outline

... For our bodies to function, cells must work together as tissues. Tissues: collections of specialized cells with specific functions. Histology: the study of tissues. ...
Chapter 4: The Tissue Level of Organization
Chapter 4: The Tissue Level of Organization

... For our bodies to function, cells must work together as tissues. Tissues: collections of specialized cells with specific functions. Histology: the study of tissues. ...
Chapter 1--Introduction to Physiology and
Chapter 1--Introduction to Physiology and

... ____________________ stem cells are partially differentiated, harvested from adults, and can become highly differentiated, specialized cell types. ________________________________________ ...
ANIMAL KINGDOM 1 EVOLUTIONARY TRENDS and PHYLUM
ANIMAL KINGDOM 1 EVOLUTIONARY TRENDS and PHYLUM

... The behaviour of the hydra is much more varied and complex than that of the uncoordinated sponge. The many celled hydra has a network of nerve cells extending throughout the entire animal. This nerve net is slightly more concentrated around the mouth than elsewhere. There is no brain controlling the ...
Unit 3 _Human Anat and Phys
Unit 3 _Human Anat and Phys

...  Cancer is the result of over-activity of the cell cycle  Cells replicate through mitosis, generating an exact genetic copy of the parent cell. Cells use this method to replace damaged or destroyed cells.  The organization of the human body from smallest to largest is cell, tissue, organ, organ s ...
1 ANIMAL KINGDOM 1 EVOLUTIONARY TRENDS and PHYLUM
1 ANIMAL KINGDOM 1 EVOLUTIONARY TRENDS and PHYLUM

... The behavior of the hydra is much more varied and complex than that of the uncoordinated sponge. The many celled hydra has a network of nerve cells extending throughout the entire animal. This nerve net is slightly more concentrated around the mouth than elsewhere. There is no brain controlling the ...
Unit 5 Animals
Unit 5 Animals

... The behavior of the hydra is much more varied and complex than that of the uncoordinated sponge. The many celled hydra has a network of nerve cells extending throughout the entire animal. This nerve net is slightly more concentrated around the mouth than elsewhere. There is no brain controlling the ...
Instructor`s Guide
Instructor`s Guide

... of chromosomes, and then cytokinesis. “Mitosis” technically refers only to the separating and replicating of chromosomes in the nucleus, but generally is used to include the cytokinetic process of pinching the entire cell into two new cells as well. ...
Ch 4: Tissues
Ch 4: Tissues

... – All connective tissues have an immature and mature cell form – “blast” – actively forming cells – secrete ground substance & fibers characteristic of the matrix • 4 primary blast cells – ...
Cells
Cells

... Function: Transmit electrical signals from sensory receptors and to effectors (muscles and glands) which control their activity. Location: Brain, spinal cord, and nerves. ...
Animal Primary Tissues
Animal Primary Tissues

... • Describe epithelial tissues • Discuss the dierent types of connective tissues in animals • Describe three types of muscle tissues • Describe nervous tissue The tissues of multicellular, complex animals are four primary types: epithelial, connective, muscle, and nervous. Recall that tissues are gr ...
Fifth dimension of life and the 4/5 allometric scaling law for human
Fifth dimension of life and the 4/5 allometric scaling law for human

... mouse-to-elephant curve (Brody, 1945; Mackenzie, 1999). It has since been extended, controversially, to include a wide range of organisms, from mycoplasma (w1013 g) to the blue whale (w108 g), and it is considered a ubiquitous law in biology (West et al., 2002; Damuth, 2001). The 3/4 law is relevan ...
Animal Form and Function Notes
Animal Form and Function Notes

... which makes you sweat for evaporative cooling)  Occasionally, responses are controlled by positive feedback, where the stimulus is intensified (ex: ...
File - Dr. Michael Belanich
File - Dr. Michael Belanich

... • two forms of osseous tissue – spongy bone - spongy in appearance • delicate struts of bone - trabeculae • covered by compact bone • found in heads of long bones and in middle of flat bones such as the ...
CONNECTIVE TISSUE I
CONNECTIVE TISSUE I

...  Majority of connective tissue originates from mesoderm. Some originate from neural crest (ectoderm).  Mesenchymal cells are present in developing organs and form a tissue type known as mesenchyme. These cells have a large nucleus and prominent nucleoli; the cytoplasm is barely visible. In between ...
An Introduction to Biology - Emory
An Introduction to Biology - Emory

... characteristics. These are, 1. Cellular organization. All living organisms consist of one or more cells. The cell is the basic unit of life. Each one of them carries the basic activities of living. Little more explanations shall be seen in chapter 2. 2. Order. All living things are highly ordered. Y ...
telomeres and telomerase
telomeres and telomerase

... them for giving her the information she will be discussing in her presentation. Her presentation begins with a statement that says, “Elderly subjects demonstrating exceptional longevity have generally been spared major age-related diseases, such as cardiovascular disease (CD), diabetes mellitus (DM) ...
CONNECTIVE TISSUE I
CONNECTIVE TISSUE I

...  Majority of connective tissue originates from mesoderm. Some originate from neural crest (ectoderm).  Mesenchymal cells are present in developing organs and form a tissue type known as mesenchyme. These cells have a large nucleus and prominent nucleoli; the cytoplasm is barely visible. In between ...
Ear
Ear

... Most forms of congenital deafness are caused by 1. genetic factors, but 2. environmental factors may also interfere with normal development of the internal and middle ear.  Rubella virus, affecting the embryo in the seventh or eighth week, may cause severe damage to the organ of Corti.  It has als ...
Bio2Unit1-7.14.15 - Grainger County Schools
Bio2Unit1-7.14.15 - Grainger County Schools

... CLE 3216.1.3 Explain how materials move into and out of cells.  CLE 3216.1.5 Investigate how proteins regulate the internal environment of a cell through communication and transport.  3216.1.2Conduct an experiment or simulation to demonstrate the movement of molecules through diffusion, facilitate ...
Orbital Lymphoma - University of Louisville Ophthalmology
Orbital Lymphoma - University of Louisville Ophthalmology

... to anterior aspect of the left orbit. This finding appears to be separate from the rectus musculature and optic nerve of left orbit but it produces mass effect on these structures.”  “Mass effect on the left globe which is slightly displaced anteriorly and medially…. Partial proptosis of the globe… ...
Developmental Anatomy 13
Developmental Anatomy 13

... Developmental Anatomy 13 Last day: more or less finished the urinary system. From last day, a complete hypospadias may lead to misdiagnosis of sex which may have severe psychological repercussions for the future. A. Congenital anomalies of the kidney: The kidney develops at sacral levels and later t ...
Document
Document

... Eyes are the photosensory organs of the body. Light passes through the cornea, lens, and several refractory structures of the orb; light is then focused by the lens on the light-sensitive portion of the neural tunic of the eye, the retina, which contains the photosensitive rods and cones. Through a ...
tissues - Perkins Science
tissues - Perkins Science

... • Some tissues are non-vascular and will repair very slowly • If excitable tissue is replaced by scar tissue – function is lost! ...
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Embryonic stem cell



Embryonic stem cells (ES cells) are pluripotent stem cells derived from the inner cell mass of a blastocyst, an early-stage preimplantation embryo. Human embryos reach the blastocyst stage 4–5 days post fertilization, at which time they consist of 50–150 cells. Isolating the embryoblast or inner cell mass (ICM) results in destruction of the blastocyst, which raises ethical issues, including whether or not embryos at the pre-implantation stage should be considered to have the same moral or legal status as more developed human beings.Human ES cells measure approximately 14 μm while mouse ES cells are closer to 8 μm.
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