false
No. Hair is dead. Hair follicles are the only alive part of the hair. They're what grow and contribute their dead cells to hair growth.
The empty follicle continues to function as the corpus luteum, or yellow body. It produces hormones that sustain the egg and help prepare the endometrial lining for implantation if it becomes fertilized. Eventuall, it is reabsorbed by the ovary to be reused in the next cycle through a process known as envolution.
This structure is likely a dermal sheath, which is composed of both the epidermis (epithelial tissue) and the dermis (connective tissue). Dermal sheaths surround some hair follicles and play a role in supporting and nourishing the hair follicle.
Each hair develops from a group of epidermal cells at the base of a tubelike depression called a hair follicle, which extends from the surface into the dermis and contains the hair root. The epidermal cells at the base are nourished from dermal blood vesssels in a projection of connective tissue at the deep end of the follicle. As these epidermal cells divide and grow, older cells are pushed toward the surface. The cells that move upward and away from the utrient supply become keratinized and die. Their remains constitute the structure of a developing hair shaft that extends away from the skin.
Commonly, the dikaryotic mycelium is produced by fusion of monokaryotic hyphae from different mating types. resulting in formation of a dikaryotic(binucleate), or secondary mycelium because karyogamy does not immediately follow plasogamy.
Comedo
corpus luteum
pith
The inner lining of a hair follicle is formed by the inner root sheath, which is made up of epithelial tissue. This sheath helps to protect and nourish the growing hair shaft as it develops within the follicle.
According to the NIH, it is called a comedo.
No. Hair is dead. Hair follicles are the only alive part of the hair. They're what grow and contribute their dead cells to hair growth.
Secondary spermatocytes are formed at the end of Meiosis I and spermatids are formed at the end of Meiosis II.
A tertiary color.
a colour formed by mixing two secondary colours
Secondary pollution refers to pollutants that are produced when primary pollutants react with air, water, or sunlight in the environment. For example, ozone is a secondary pollutant formed when pollutants from vehicle emissions react with sunlight. These secondary pollutants can have harmful effects on human health and the environment.
It can close the opening of a follicle, causing a white head, blackhead, or acne.
Hemoglobin becomes oxygenated in the lungs.