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Tissue
| Question | Answer |
|---|---|
| Define tissue | A tissue is a group of similar cells and intercellular materials that perform a specific function |
| List the four major types of tissues, and give the general function of each: | Epithelial; protection Connective; support Muscular; movement Nervous; transmit impulses |
| Name the two subtypes of epithelia. | Covering and lining Glandular |
| Where in the body would you find covering and lining epithelia? | Covering the external body surface Lining body cavities Covering some of the internal organs |
| What is the function of the glandular epithelium? | The glandular epithelium produces the secretory products of the glands. |
| Describe the structure of the basement membrane. | The basement membrane is made up of a cellular layer of collagen and glycoproteins called the basal lamina; often, it is underlain with a layer of reticular fibres and glycoproteins called the reticular lamina. |
| For what functions is simple squamous epithelium specialized? | Filtration or diffusion, cover or lining, secretion |
| Stratified cuboidal | Ducts of adult sweat glands, |
| Simple cuboidal | Lines kidney tubules, |
| Simple columnar | Lines the intestine, |
| Simple squamous | Lines blood vessels, |
| Pseudostratified | Upper respiratory tract, |
| Stratified squamous | Lines the mouth |
| The surface of an epithelial cell closest to the basement membrane is the | basal surface |
| What is the function of the transitional epithelium? | To allow for the stretching of the epithelium without tearing |
| What is the major difference between the exocrine and endocrine glands? | Exocrine glands empty through ducts into an epithelial surface outside of the body or lumen of a hollow organ. Endocrine glands empty into the bloodstream. |
| List three general functions of connective tissue. | Protection Support Bind organs together |
| Adipose: Specific location | The subcutaneous layer below the skin, around kidneys and heart, in the marrow of long bones, around the joints, and behind the eyeball |
| Adipose: Specific function | Energy reserve, support and protection |
| Dense regular connective | Location: Tendons and ligaments Specific Function: Attachment |
| Elastic connective | Location: Arterial walls, trachea, bronchial tubes, and lungs Function: Allows stretching |
| Hyaline cartilage | Location: Nose, larynx, ends of long bones Function: Allows flexibility and support, reduces friction, absorbs shock at all joints |
| What is the unique feature of cartilage as a type of connective tissue? | Cartilage generally lacks blood vessels and nerves. |
| List the three functions of bone. | Support, Protection, Movement |
| What is blood? | Blood is a liquid connective tissue; the fluid portion is called plasma; the formed element portion is made up of three cell types: erythrocytes, leucocytes, and thrombocytes. |
| What two components make up an epithelial membrane? | An epithelial layer and an underlying layer of connective tissue |
| What is the principal difference between mucous and serous membranes? | Mucous membranes line cavities that open directly to the exterior, whereas serous membranes line cavities that do not open to the exterior of the body. |
| List the three types of muscle tissues, and state whether they are under voluntary or involuntary control. | Skeletal (voluntary) Cardiac (involuntary) Smooth (involuntary) |
| Nerve tissue is made up of two principal cell types: | Neurons, Neuroglia |
| How many layers of cells are present in pseudostratified epithelium? | One |
| If a tissue has elastic, collagenous, and reticular fibres in an unorganized arrangement, the tissue could be: | Areolar connective tissue. |
| Tendons and ligaments are composed primarily of: | Dense regular fibrous connective tissue. |
| Does cartilage have blood vessels or nerves? | No, except cartilage in the perichondrium |
| Osteocytes are associated with: | Bone. |
| What are three functions of osseous tissue? | Houses blood-forming tissue Protection Support Storage |
| What is pleura? | A serous membrane covering the lungs. |
| The linings of the digestive, respiratory, urinary, and reproductive tracts are composed of: | Mucous membranes. |
| Which type of muscle is voluntary? | Skeletal |
| The solids of blood include which of the following? | Monocytes Neutrophils Platelets Erythrocytes |
Created by:
nickseaman
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