Thursday, February 24, 2011
Tisssues and Muscles
I've learned in lab regarding the tissues that the simple squamous epithelium is located in the kidney glomeruli , it's job is to line , cover , filter , and produce serous fluid. It .lines the mesothelium cavity that encloses the organs such as the heart , abdomen and lung . The simple cuboidal epithelium is located in the kidney tubules , it's function is secretion and absorption. The simple columnar epithelium lines the intestines , job is secretion and absorption . The pseudostratified columnar epithelium moves stuff out of trachea , secretes particularly mucous .The transitional epithelium tissue is ballooned shaped ,streches to accomadate storage of urine . It lines the ureters , urinary bladder,and part of the urethra .The loose areolar connective tissue consists of looose collection of cells with lots of space .This tissue anchors dermis , epidermis papillary layer .The hyaline cartilage covers the end of long bones ,chronoblasts produce the matrix and when mature chrondrocytes lie in the lucunae .Elastic cartilage supprts the external ear , maintaining the structure while allowing flexibility .The fibrocartilage is located between the interverbral discs , cushions between bones .The compact bone supports , and protects , the osteocytes lie in the lucunae. The pacinian corpuscles lie in the hypodemis ,it's function is deep cutaneous pressure , and vibration. Arranged like leaves of an onion .The integumentary is the skin which has several layers , including the luciden . The scalp which consists of the hair follicles , with the arrector pili muscle, sebacous glands and sweat glands . The multipolar cell , the nervous tissue consists of motor neurons ,glia cells and other large cells .The retina consisted of the fibrous coat ,sclera ,cornea ,the cell body , rods ,and cones , and ganglion cells .The skeletal muscle is elongated contiuous fibers , with nucleated striations . The cardiac muscle has a hugh number of thin cells , spindled shaped with overlapping ends . It contracts , and propels blood into circulation .
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