U1L9 One tissue in some (histological and functional) detail
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52 terms
Terms | Definitions |
|---|---|
 epithelium | Type of epithelial tissue on internal or external body surfaces that communicate with the exterior |
| endothelium | Type of epithelial tissue on surfaces that do NOT communicate with exterior (blood vessels, lymph vessels) |
| mesothelium | Type of epithelial tissue that lines major body cavities (peritoneal, pleural and pericardial cavities) |
| simple | Term used to describe epithelium that is one cell layer thick |
| stratified | Term used to describe epithelium that has 2 or more cell layers |
| squamous | Term used to describe epithelium that is wider than it is high |
| cuboidal | Term used to describe epithelium that is the same width, height and depth |
| Columnar | Term used to describe epithelium that is higher than it is wide |
| Pseudostratified Columnar | A type of epithelium where ALL cells rest on basement membrane, but DO NOT all reach surface |
| basal cuboidal and columnar | Pseudostratified Columnar Epithelium consists of what two cell types? |
| Transitional | A stratified, cuboidal epithelium that accomodates distension |
| Endothelium, mesothelium | Simple squamous epithelium is found in the... |
| Kidney tubules | Simple cuboidal epithelium is found in the... |
| Intestine | Simple columnar epithelium is found in the... |
| Skin | Stratified squamous epithelium is found in the... |
| Respiratory system, epididymis | Pseudostratified epithelium is found in the... |
| bladder | Transitional epithelium is found in the... |
| salts and water | Transitional epithelium is impermeable to... |
| more basal, elongated | 2 distinctive features of the nucleus in simple columnar epithelium |
| round and plump, in centre of cell | distinctive features of the nucleus in simple cuboidal epithelium |
| refractile border | The apical plasma membrane of Transitional epithelium is especially thick and is known as the... |
| Please respect all except her vile highness | A mnenomic for the functions of skin |
| Protection | In the mnenomic for the functions of skin, P stands for... |
| Receptor | In the mnenomic for the functions of skin, R stands for... |
| Absorption | In the mnenomic for the functions of skin, A stands for... |
| Excretion | In the mnenomic for the functions of skin, E stands for... |
| Hydration | In the mnenomic for the functions of skin, first H stands for... |
| Vitamin D | In the mnenomic for the functions of skin, V stands for... |
| Heat regulation | In the mnenomic for the functions of skin, second H stands for... |
| epidermis, dermis, hypodermis | The three layers of the skin |
| stratified squamous endothelium | The epidermis consists of... |
| dense irregular connective tissue | The dermis consists of... |
| loose connective tissue | The hypodermis consists of... |
| corneum, lucidum, granulosum, spinosum, basale | The five layers of the epidermis |
| No nucleus or organelles, Cytoplasm filled with keratin | Cells in the stratum corneum have... |
| very thin | The s.lucidum is... |
| keratin granules | The cytoplasm of cells in the s.granulosum contains... |
| Cytoplasmic processes called spines | Cells in the stratum spinosum have... |
| desmosomes | Cells in the stratum spinosum are connected at the spines by... |
| single layer of stem cells and keratinocytes | The s. basale consists of a... |
| basal lamina | The s. basale rests on the... |
| Keratinocytes | Epithelial derived cells of the epidermis |
| Melanocytes | Pigment cells of the epidermis |
| Langerhan cells | Antigen-presenting phagocytic cells of the epidermis |
| Merkel cells | mechanoreceptor cells of the epidermis |
| stratum basale | Merkel cells and Melanocytes both reside in this layer of the epidermis |
| stratum spinosum | Langerhan cells reside in this layer of the epidermis |
| melanin | Melanocytes produce... |
| endocytosis | How is Melanin transferred to keratinocyte? |
| Round, long processes | a distinctive feature of melanocytes |
| Rough nuclear shape | a distinctive feature of Langerhan cells |
| Cytoplasmic granules | a distinctive feature of Merkel cells |
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