Cat Hair Under Microscope Description

See also allergens in.

Cat hair under microscope description. Microscopic techniques combined with studied. See also allergens in buildings home. Comparison is the cornerstone of the majority of biology both past and present. Cat hair under the microscope.

It is the same protein that makes horn fingernails claws skin epithelium and dander. Mammalian hair is composed of a protein keratin. When viewed under the microscope species can be compared. Cat hair tends to have a relatively wide medulla at mid shaft but begins in the classic wine goblet form near the root and is uniserial in the fleece but becomes more complex in the guard hairs.

Mammalian hair consists of three distinct morphological units the cuticle the cortex and the medulla. See cat dander in buildings. The photos below show hair from a golden retriever gunner haddonfield new jersey under the microscope well the hair was under the microscope not gunner himself. The pigment bodies are in the cortex.

Cat hair the genetic variability of cats does not compare with that of dogs which may be so different in some cases that it is hard to believe that the individuals represent the same animal. Lay the hair on the damp nail polish. Color human hair is more continuous in coloring versus pet hair is often banded. When it is sent for examination to the forensic science laboratory hair is normally dry mounted on a glass slide for viewing under a comparison microscope.

This will make a quick mount for microscopic analysis. Examine the animal hair specimen under medium and high magnification 100x and 400x and record your observations in your lab notebook or table 6 6. Wet mount the animal hair specimen. Basis of forensic hair microscopy comparative biology including medicine and physical anthropology has a long history of microscopic identification and comparison dating back to the 18th century.

Indeed most cat breeds are chiefly distinguished by differences in the texture and color of the fur rather than by body type size or shape. Allow the nail polish to dry before viewing the hair sample. Using the tweezers gently pick and place the hair strand under low power stereo microscope. Examine an animal hair specimen under low magnification and record your observations in your lab notebook or table 6 5.

A strand of hair students can obtain different types of hair such as hair from human body from a dog cat etc. Adjust the microscope to 100x to locate the hair for viewing. To examine it in cross section the specimen is mounted in a wax block from which wafer thin slices are cut and mounted on glass slides. Observe and try to see if there are differences between different types of hair.