Describe the major differences between thin skin and thick skin
What will be an ideal response?
Thick skin is found on palms, palmar surfaces of digits, and soles, while thin skin is found in all other areas. Thick skin is 4-5× thicker than thin skin. The stratum lucidum is present exclusively in thick skin. Also, the stratum spinosum and stratum corneum are thicker in thick skin. Thick skin exhibits epidermal ridges, more sweat glands and a higher density of sensory receptors. Thin skin has hair follicles and sebaceous glands, while thick skin does not.
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The anterior division of a nerve root has passing through it
A. motor fibers. B. sensory fibers. C. mixed nerves. D. no nerves.
This structure provide a means of rapidly transmitting the action potential to the central portions of the muscle fiber
a. T-tubule b. sarcoplasmic reticulum c. Z lines d. myofibril e. myofilaments
A Zygote is?
A. A gamete B. A direct product of meiosis C. A haploid Cell D. A diploid cell
The pons and cerebellum arise from which secondary embryonic vesicle?
A) Mesencephalon B) Myelencephalon C) Metencephalon D) Diencephalon E) Telencephalon