Organic Chemistry/Carboxylic acids. < Organic Chemistry. A carboxylic acid is characterized by the presence of the carboxyl group -COOH. The chemical reactivity of carboxylic acids is dominated by the very positive carbon, and the resonance stabilization that is possible should the group lose a proton.
The presence of renal tubule cells in the urine is of diagnostic significance, as it points towards an underlying kidney disease. The last type of epithelial cells are squamous cells. These cells are the largest cells seen in urine specimens. These cells are flat, usually with an angular or irregular outline.
Squamous Intraepithelial Lesion (SIL) is the abnormal growth of squamous cells on the surface of the cervix. The cervix is the lower part of the uterus.Both the uterus and the cervix are located in the pelvis and are close to the upper part of the vagina and the ovaries.quamous Intraepithelial Lesion (SIL) is the abnormal growth of squamous cells on the surface of the cervix. The cervix is the lower part of the uterus.