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Week 7-13
SCI 220 Assignments
Term | Definition |
---|---|
Anaplasia: | Anaplasia refers to the loss of differentiation and specialization in cells, often seen in cancerous growths. |
Dysplasia: | Dysplasia is the abnormal development or growth of cells, tissues, or organs. |
Hypertrophy: | Hypertrophy is the increase in the size of an organ or tissue through the enlargement of its cells. |
Necrosis: | Necrosis is the premature death of cells or tissues in the body, typically caused by factors such as injury, infection, or lack of blood supply (ischemia). |
Endoderm: | The endoderm is one of the three primary germ layers formed during embryonic development. |
Mesoderm: | The mesoderm is another primary germ layer that lies between the ectoderm and endoderm. |
Ectoderm: | The ectoderm is the outermost of the three primary germ layers in early embryonic development. |
Cutaneous Membrane: | The cutaneous membrane, commonly known as the skin, is the body's outer protective layer. |
Serous Membrane: | A serous membrane is a thin layer of tissue that lines body cavities and covers organs within those cavities. |
Function of epithelial tissue: | Protection, absorption, secretion, excretion, sensation, transportation, and barrier formation. |
Function of connective tissue: | Support and structure, binding and connecting, protection, transportation, storage, immune response, and repair. |
Diversity of Skin Functions: | Protection, temperature regulation, sensation, excretion, synthesis of vitamin D, immune defense, storage, absorption, communication and expression. |
Osteocytes: | Osteocytes are mature bone cells that originate from osteoblasts (bone-forming cells). |
Myeloid Tissue: | Myeloid tissue is a type of tissue found primarily in the bone marrow and is responsible for the production of blood cells (hematopoiesis). |