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HISTOLOGY – define[a] THE STUDY OF TISSUES.

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tissue – define[a]a group of cells that have a matrix between them and function together to carry out specific and specialized activities.

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EPITHELIAL TISSUE – structure[a] This tissue is avascular, has lots of cells, very little matrix and the cells are arranged in sheets of single or multiple layers.

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EPITHELIAL TISSUE makes what structures?[a]The internal and external covering of all surfaces of the body – it also makes glandular tissue.

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Which tissue will protect, absorb, secrete and detec?[a] EPITHELIAL TISSUE

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SIMPLE SQUAMOUS EPITHELIAL – structure[a]This epithelial tissue consists of a single layer of flat cells.

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STRATIFIED EPITHELIAL – structure[a]This epithelial tissue consists of more than one layer of cells.

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PSEUDOSTRATIFIED EPITHELIAL – structure[a]This epithelial tissue consists of one layer but looks like more than one layer because of the shape of the cells.

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SIMPLE SQUAMOUS EPITHELIUM – location[a]Thist epithelial tissue is found in the lining of blood vessels and the alveoli of lungs. (where gases are exchanged between the air and blood).

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PSEUDOSTRATIFIED EPITHELIUM – location[a]This epithelial tissue is found lining the upper respiratory tract.

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STRATIFIED SQUAMOUS EPITHELIUM – location[a]This epithelial tissue is found in areas where there’s lots of wear-and-tear: the mouth, the oral cavity, the vagina, the outer surface of the skin.

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TRANSITIONAL EPITHELIUM – location[a] urinary bladder.

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GLANDULAR EPITHELIUM – function[a]This tissue can secrete a substances. (May be a single cell or group of cells)

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Exocrine glands – notable characteristic[a] ducts

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Endocrine glands – notable characteristics[a]These glands have no ducts and secrete hormones into the tissue fluid to be taken up by the blood.

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CONNECTIVE TISSUE – structure[a] This is most abundant tissue in the body, contains more matrix than cells and is vascular with the exception of cartilage.

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CONNECTIVE TISSUE – function[a]This tissue functions to support, interconnect and give shape to other structures.

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FIBROBLASTS – function[a] This type of cell secretes fibers to contribute to a matrix.

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MATRIX OF CONNECTIVE TISSUE structure[a] A ground substance with fibers embedded within it.

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COLLAGEN FIBERS – define[a]These fibers are the most common in connective tissue with a high tensile strength with little elasticity.

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ELASTIN FIBERS – define[a]These fibers are composed of elastin, have less tensile strength than collagen but greater elasticity (found in large quantities in blood vessels.)

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RETICULAR FIBERS – define[a]These fibers are like collagen, but thinner and weaker. They form the network for many organs. (liver, spleen, bone marrow, lymph nodes, etc)

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Vascular tissue – define[a] tissue with blood vessels in it.

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AREOLAR tissue – define[a]This is the most abundant connective tissue in the body, has a watery matrix and is considered the “packing material” of the body.

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ADIPOSE tissue – structure[a]This type of areolar tissue has an abundance of concentrated adipocytes.

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SUPERFICIAL FASCIA (SUBCUTANEOUS TISSUE) – define[a]This type of tissue found beneath the skin, is composed of loose areolar and adipose tissue and covers the whole body.

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RETICULAR CONNECTIVE TISSUE – define[a]This connective tissue has fibroblasts which produce reticular fibers to form a network that supports the functional cells of the organ.

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DENSE CONNECTIVE TISSUE – structure[a]This connective tissue has numerous, thick, densely packed fibers with very few cells.

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DENSE REGULAR FIBROUS CONNECTIVE TISSUE – structure[a]This connective tissue is found in tendons and ligaments. The collagen fibers are arranged in parallel bundles.

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DENSE IRREGULAR FIBROUS CONNECTIVE TISSUE – structure[a]This tissue has collagen fibers that are densely packed with no particular arrangement.

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DENSE IRREGULAR FIBROUS CONNECTIVE TISSUE – location[a] netting found in the dermis of the skin, deep fascia, periosteum, joint capsules, organ capsules,serous membranes, and cavities)

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ELASTIC CONNECTIVE TISSUE – location[a]the ligamentum flavum, walls of the arteries.

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CARTILAGE – structure[a]This type of connective tissue is AVASCULAR and contains chondroblasts and chondrocytes.

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Articular cartilage is composed of which kind of cartilage?[a] HYALINE CARTILAGE

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FIBROCARTILAGE – location[a] SYMPHYSIS joints (discs)

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ELASTIC CARTILAGE – location[a]in the ear, larynx, and epiglottis.

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Which type of cartilage is found in the ear, larynx, and epiglottis?[a]ELASTIC CARTILAGE

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Which type of cartilage is found in SYMPHYSIS joints?[a]FIBROCARTILAGE

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Which kind of cartilage is articular cartilage?[a]hyaline cart.

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Which type of cartilage is the most abundant in the body?[a]HYALINE CARTILAGE

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What type of connective tissue is AVASCULAR and contains chondroblasts and chondrocytes?[a]CARTILAGE

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Which type of tissue is found in the ligamentum flavum, and the arteries?[a]ELASTIC CONNECTIVE TISSUE

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What type of connective tissue contains collagen fibers that are densely packed with no particular arrangemens?[a]DENSE IRREGULAR FIBROUS CONNECTIVE TISSUE

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What tissue makes the netting found in the dermis of the skin, deep fascia, periosteum, joint capsules, organ capsules, and serous membranes?[a]DENSE IRREGULAR FIBROUS CONNECTIVE TISSUE

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What type of connective tissue is found in tendons and ligaments and contains collagen fibers arranged in parallel bundles?[a]DENSE REGULAR FIBROUS CONNECTIVE TISSUE

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What type of tissue found beneath the skin, is composed of loose areolar and adipose tissue and essentially covers the whole body?[a]SUPERFICIAL FASCIA (SUBCUTANEOUS TISSUE)

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What type of tissue has an abundance of adipocytes?[a]ADIPOSE tissue

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What is the most abundant connective tissue in the body, has a watery matrix and is considered the “packing material” of the body?[a]AREOLAR tissue

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What type of fibers are like collagen, but thinner and weaker; they form the network for many organs? (liver, spleen, bone marrow, lymph nodes, etc)[a]RETICULAR FIBERS

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What type of tissue fibers have a lot of strength with little elasticity?[a]COLLAGEN FIBERS

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What type of cells are involved with building of tissue by secreting fibers?[a]FIBROBLASTS

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Which tissue functions to support, interconnect and give shape to other structures?[a]CONNECTIVE TISSUE

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Which tissue is the most abundant type of tissue in the body, contains more matrix than cells and is vascular with the exception of cartilage?[a]CONNECTIVE TISSUE

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List the Endocrine glands[a]PANCREAS, PINEAL, THYMUS, GONADS – THE OVARIES AND TESTES, ADRENALS, PARATHYROID, THYROID, PITUITARY GLAND.

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What type of glands have no ducts and secrete hormones into the tissue fluid to be taken up by the blood?[a]Endocrine glands

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List the Exocrine glands[a]CERUMINOUS GLANDS– wax, SUDORIFEROUS GLANDS–sweat, SEBACEOUS GLANDS–sebum (oil), LACRIMAL GLANDS–tears, SALIVARY GLANDS–saliva

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What type of glands have ducts?[a]Exocrine glands

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What type of tissue can produce secretions?[a] GLANDULAR EPITHELIUM

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What type of epithelial tissue is found in the urinary bladder?[a]TRANSITIONAL EPITHELIUM

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What type of tissue is found in areas where there’s lots of wear-and-tear: the mouth, the oral cavity, the vagina, the outer surface of the skin?[a]STRATIFIED SQUAMOUS EPITHELIUM

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What tissue is found lining the upper respiratory tract?[a]PSEUDOSTRATIFIED EPITHELIUM

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What tissue is found in the walls of blood vessels and the alveoli of lungs?(where gases are exchanged between the air and blood)[a]SIMPLE SQUAMOUS EPITHELIUM

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What type of epithelial tissue consists of one layer but looks like more than one layer because of the shape of the cells?[a]PSEUDOSTRATIFIED EPITHELIAL

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What type of epithelial tissue consists of more than one layer of cells?[a]STRATIFIED EPITHELIAL

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What type of epithelial tissue consists of a single layer of cells?[a]SIMPLE SQUAMOUS EPITHELIAL

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What are the TYPES OF EPITHELIAL TISSUE?[a]COLUMNAR, CUBOIDAL, SQUAMOUS

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What are the FUNCTIONS OF EPITHELIAL TISSUE?[a] protect, absorb, secrete and detect

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The lining and covering of all surfaces of the body internal and external are composed of this; it also makes glandular tissue.[a]EPITHELIAL TISSUE

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What kind of tissue is avascular, has lots of cells, very little matrix and cells arranged in sheets of single or multiple layers?[a]EPITHELIAL TISSUE

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What are the four major categories of tissues?[a]MUSCLE, CONNECTIVE, NERVOUS,EPITHELIAL

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What is a group of cells held in a matrix with a unified function?[a]a tissue

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