@aiaaia
Active 3 years, 7 months ago-
Ysandra Prille A. Tabilon posted an update in the group
MT30-Histology Art AB 3 years, 11 months agoOur integumentary system is susceptible to a variety of problems, such as diseases, disorders, and injuries. This includes infections caused by fungi, skin cancer, severe burns, acne, skin wrinkling, and dermatitis, among others. This is why scientists are developing more methods to treat and prevent the onset and progression of these diseases.…[Read more]
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Ysandra Prille A. Tabilon posted an update in the group
MT30-Histology Art AB 3 years, 11 months agoThe diseases of the integumentary system that affect goat skin, hair, and wool are discussed in this chapter. It is said that the goats tend to have more dermatologic lesions than sheep. Determining the reason for the said ruminant diseases and conditions is essential to veterinary management. Like that of people, the skin and hair of goats serve…[Read more]
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Hair is divided into two categories. Short, thick hair is ideal for controlling body temperature during the summer. On colder days, long, fine hair coats are most efficient. This is why, to avoid heat exhaustion, it is necessary to shear sheep during hot weather.
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Moreover, hair grows in a cycle. It is controlled by many influences, including photoperiod, temperature, nutrition, hormones, health status, and genetics, among other…
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Specialized cells, such as the sweat gland, also aid in cooling, and lanolin glands serve to keep the skin from drying out. Melanocytes principally determine the color of the hair coat in the stratum basale and hair follicles. If the hair coat is lighter than normal, that is a sign of copper deficiency.
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Overall, the integumentary system, including the skin, hair, nails, and exocrine glands, serves a lot of vital functions in all organisms.
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Anne Orlido posted an update in the group
MT 30 LAB – H 3 years, 11 months agoGood day!Here are my presidential and vice-presidential candidates!
“Smooth muscle tissues for Leni because we deserve a smooth and clean government” & “Human lung… -
Deanne Hara Marie R. Almagro posted an update in the group
Histology Art – F (2022) 3 years, 11 months ago -
Deanne Hara Marie R. Almagro posted an update in the group
Histology Art – F (2022) 3 years, 11 months ago -
Ysandra Prille A. Tabilon posted an update in the group
MT30-Histology Art AB 3 years, 11 months agoDIGESTIVE SYSTEMDescription: The digestive system is a long, twisting tube made up of the gastrointestinal (GI) tract, liver, pancreas, and gallbladder that helps the…
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Four layers of the GI tract
Description: The GI tract contains four layers. It includes the mucosa (innermost layer), underneath it is the submucosa, followed by the…
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Wall of the Stomach with rugae
Description: The gastric folds (rugae) are coiled secretions of tissue that exist in the mucosal & submucosal layers of the…
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Tooth
Description: A tooth is a hard, calcified structure used to break down food. They are made up of different layers namely enamel, dentin, pulp cavity, and…
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Ysandra Prille A. Tabilon posted an update in the group
MT30-Histology Art AB 3 years, 11 months agoINTEGUMENTARY SYSTEMDescription: The integumentary system is the body’s largest organ that forms a physical barrier between the external and internal environment. It…
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Structure of five layers of the skin
Description: The epidermis is made up of epithelial cells depending on their location in the body. The skin that has four layers is…
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Structure of the nail
Description: The nail is a horny plate that grows on the back of each finger and toe at its outer end. Its structure includes the nail bed, nail…
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Ysandra Prille A. Tabilon posted an update in the group
MT30-Histology Art AB 3 years, 11 months agoCIRCULATORY SYSTEMDescription: It is a system of organs that contains the heart and the blood vessels and moves blood throughout the entire body.
Function: This…
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Structure of three layers of the heart
Description: The walls of the heart are composed of 3 layers: Epicardium (outer layer), Myocardium (middle muscular layer), and…
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Four chambers of the heart
Description: Each side of the heart has a small collecting chamber called an “atrium” that connects to a large pumping chamber called the…
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Ysandra Prille A. Tabilon posted an update in the group
MT30-Histology Art AB 3 years, 11 months agoNERVOUS TISSUESDescription: It is the main tissue of our nervous system, and it consists of two cells: nerve cells or neurons and glial cells.
Function: It is…
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Structure of a Neuron
Description: Neurons (nerve cells) are the cells considered to be the basis of nervous tissue. It consists of a cell body, dendrites, and axons….
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Five types of Neurons
Description: There are many different types of neurons, and they all have special functions in the brain, spinal cord & muscles that control our…
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Two types of Neuroglia in PNS
– Neuroglia in the PNS includes Schwann cells & satellite cells.
Schwann cell
Description: It is also known as neurilemma cells,…
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Ysandra Prille A. Tabilon posted an update in the group
MT30-Histology Art AB 3 years, 11 months agoMUSCLE TISSUESDescription: Muscle tissues are soft tissues that make up the different types of muscles in most animals. It contains special contractile proteins called actin and myosin, which contract and relax to cause movement. The three types of muscle tissue are cardiac, smooth, and skeletal.
Function: Each type of muscle tissue in the…
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Skeletal Muscle Tissue
Description: It has long, cylindrical & multinucleated cells with obvious striations.
Function: Voluntary movement, locomotion, manipulation of…
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Cardiac Muscle Tissue
Description: It has short, branching, striated, generally uninucleated cells that interdigitate at specialized junctions (intercalated discs).
Function: It propels blood into the circulation as it contracts. It also keeps your heart pumping through involuntary movements.
Location: It is found in the walls of the heart.
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Smooth Muscle Tissue
Description: It has short spindle-shaped cells with single, centrally located nuclei. Its cells are arranged closely to form sheets, with no…
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Ysandra Prille A. Tabilon posted an update in the group
MT30-Histology Art AB 3 years, 11 months agoCONNECTIVE TISSUESDescription: Connective tissue is the most abundant and widely distributed primary tissue. It has three main components: cells, fibers, and ground substance. It includes loose connective tissue, dense fibrous connective tissue, adipose tissue, elastic connective tissue, cartilage, osseous tissue, and blood.
Function: It binds…
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Collagen Fiber
Description: It is a fibrous protein secreted into the extracellular space. It is also the most abundant protein fiber type and is predominantly made of…
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Elastic Fiber
Description: It is made from the protein elastin. This fiber is also long and thin and forms branching networks in the extracellular matrix.
Function: It…
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Reticular Fiber
Description: It consists of collagen type III and is short, thin, and delicate collagenous fibers that form mesh-like networks in organs.
Function: It acts as a supporting mesh in soft tissues
Location: It is found in kidneys, liver, spleen, kidney, lymph nodes, Peyer’s patches, and bone marrow.
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Loose (Areolar) Connective Tissue
Description: It is the most widely distributed type of connective tissue and serves as a universal packing material between other…
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Dense Regular Connective Tissue
Description: This tissue consist of closely packaged bundles of collagen fibers aligned parallel to each other. These fibers are also…
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Dense Irregular Connective Tissue
Description: It has collagen fibers randomly interwoven, forming a three-dimensional network resistant to distension in all…
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Adipose Tissue
Description: It is an energy-storing loose connective tissue. It consists of adipocytes, cells filled with lipids (fats) composed of roughly 80% fat….
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Bone
Description: Bone, or osseous tissue, is a mineralized and viscous-elastic connective tissue with a large amount of two different matrix materials.
Function: It…
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Blood
Description: It is a specialized connective tissue within the circulatory system. It is a vital liquid that usually conveys blood cells, nutrients, and oxygen…
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Mucous Connective Tissue
Description: It is a primitive (embryonic) and gelatinous type of connective tissue that persist in the umbilical cord. It is also composed of…
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Ysandra Prille A. Tabilon posted an update in the group
MT30-Histology Art AB 3 years, 11 months agoEPITHELIAL TISSUESDescription: The epithelium is a type of body tissue covering all internal and external body surfaces, lines body cavities, and hollow organs. It is also the primary tissue found in glands. It is composed of cells laid together in sheets with cells tightly connected. It consists of four types of tissue: epithelial, connective,…
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Simple Squamous Epithelium
Description: Simple squamous epithelium cells are flat in shape and arranged in a single layer. This type of epithelium forms thin, delicate…
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Simple Cuboidal Epithelium
Description: Simple cuboidal epithelium consists of single-layer cells that are as tall as they are wide (resembles a box-like cube). This…
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Simple Columnar Epithelium
Description: Simple columnar epithelium is a single row of tall, closely packed cells aligned in a row. This epithelium often includes apical…
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Stratified Squamous Epithelium
Description: It consists of flattened epithelial cells arranged in many layers. This type is further divided into keratinized and…
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Stratified Cuboidal Epithelium
Description: It is a rare type of Epithelium composed of cells that are as tall as they are wide and are arranged in many layers.
Function: It acts as a protective tissue layer.
Location: It lines the excretory ducts of sweat glands, salivary glands & mammary glands.
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Stratified Columnar Epithelium
Description: It is composed of column-shaped cells arranged in many layers. It is less common than the other stratified types.
Function:…
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Pseudostratified Columnar Epithelium
Description: It is a tissue composed of a single layer of simple columnar epithelial cells whose nuclei appear at different…
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Transitional Epithelium
Description: It is a stratified epithelium, also called urothelium, found in organs that can distend. When the tissue is not stretched, it…
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Erika Marie Columnas posted an update in the group
MT 30 LAB – H 3 years, 11 months ago-
1. Elastic cartilage – Elastic cartilage, also known as yellow fibrocartilage, is a form of cartilage that gives specific portions of the body both strength and…
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Angelyn Evan Bomediano posted an update in the group
MT 30 LAB – H 3 years, 11 months ago -
Sera C. Silot posted an update in the group
MT 30 LAB – H 3 years, 11 months ago-
The respiratory system is a network of organs and tissues that aid in breathing. It consists of your airways, lungs, and blood vessels. The respiratory system includes…
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References:
Cleveland Clinic. (n.d.). Respiratory System. Retrieved from https://my.clevelandclinic.org/health/articles/21205-respiratory-systemhas_geek. (2020)….
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Reyna May Venezuela posted an update in the group
MT 30 LAB – H 3 years, 11 months agoThe respiratory system is a complex set of organs and tissues that aid in breathing. Airways, lungs, and blood arteries are all part of it. The respiratory system also… -
Perrine Marika Kho changed their profile picture 3 years, 11 months ago
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Perrine Marika Kho posted an update in the group
MT 30 LAB – H 3 years, 11 months agoRespiratory SystemThe respiratory system is the network of organs and tissues that help you breathe. It includes your airways, lungs, and blood vessels. The muscles…
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Anne Orlido posted an update in the group
MT 30 LAB – H 3 years, 11 months agoYour respiratory system is a collection of organs and tissues that work together to enable you to breathe. This system assists your body in absorbing oxygen from the air… -
Mycah Jane C. Pata posted an update in the group
MT 30 LAB – H 3 years, 11 months ago-
The respiratory system is comprised of organs and tissues that helps in breathing. Airways, lungs, and blood arteries are all part of it.
Larynx – is part of…
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