Histology Anatomy and Physiology
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Simple squamous epithelium
Single layer of flattened cells. found on edges
Simple cuboidal epithelium
Single layer of cubelike cells.
Simple columnar epithelium
Single layer of tall cells With tall oval nuclei.
Pseudo Stratified columnar epithelium
Single layer of cells of differing heights, nuclei at different levels. Cilia on top
Stratified squamous epithelium
Thick membrane composed of several layers. Basal layers are cuboidal or columnar with flattened surface layers.
Stratified cuboidal epithelium
Generally two layers of cube like cells. Found in glands.
Stratified columnar epithelium
Several cell layers. Basal cells usually cuboidal with superficial columnar cells.
Resembles both stratified squamous and stratified cuboidal. Different shapes based on organ stretch. Found in the urinary system.
Connective tissue: adipose.
Gel like matrix but scarce. Tightly packed adipocytes, or fat cells, have nucleus pushed to the side by large fat droplets.
Amorphous but firm matrix; collagen fibers form an imperceptible network; chondroblasts produce the matrix and, when mature, lie in lacunae.
Similar to hyaline, but more elastic fibers in matrix.
Matrix similar to but less firm than matrix in hyaline cartilage, thick collagen fibers predominate.
Bones (osseous tissue)
Hard, calcified matrix containing many collagen fibers; osteocytes lie in lacunae. Very well vascularized.
Red and white blood cells in a fluid matrix.
Neurons are branching cells; cell processes that may be quite long extend from the nucleus-containing cell body; also contributing to nervous tissue are non-excitable supporting cells.
Long cylindrical, multinucleate cells, obvious striations.
Branching striated, generally cells with one nucleus each that connect at specialized junctions called intercalated discs.
Spindle shaped cells with central nuclei; no striations; cells arranged closely to form sheets. Lines digestive system.
a nerve cell; the basic building block of the nervous system
Connective tissue: Areolar
Function: Wraps and cushions organs, Found around organs, surrounds capillaries
Connective tissue: reticular
Thin collagen fibers in a 3d network. Found in liver and spleen
Dense connective tissue: Regular
Durable, but poor blood supply and not stretchy. Found in tendons and ligaments
Dense connective tissue: Irregular
Thicker, interwoven, and more randomly organized tissue found in the dermis
Dense connective tissue, elastic
Containing a high proportion of elastic fibers. Found in tissues that need to stretch, such as blood vessels.