hair root


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hair root

the part of a hair that is embedded in the hair follicle, its lower succulent extremity capping the dermal papilla pili in the deep bulbous portion of the follicle.
Synonym(s): radix pili

hair root

(hār rūt)
The part of a hair that is embedded in the hair follicle, its lower succulent extremity capping the dermal papilla pili in the deep bulbous portion of the follicle.

root

1. the descending and subterranean part of a plant.
2. that portion of an organ, such as a tooth, hair or nail, that is buried in the tissues, or by which it arises from another structure, or the part of a nerve that is adjacent to the center to which it is connected, e.g. root of neck, root of tail.

calcified root canal
restriction of the diameter of the root canal due to calicification; seen in older animals.
root canal
that part of the dental pulp cavity extending from the pulp chamber to the apical foramen. Called also pulp canal.
root canal therapy
dental root elevator
screwdriver-shaped instrument with a grooved and beveled blade. By pushing the tip of the blade between the tooth root and the alveolar wall the periodontal membrane is broken and the root is elevated and removed.
dorsal root
the sensory division of each spinal nerve, attached centrally to the spinal cord and joining peripherally with the ventral root to form the nerve before it emerges from the intervertebral foramen.
hair root
the part of the hair buried in the hair follicle.
mesenteric root
the small area of attachment of the mesentery to the dorsal abdominal wall at about the level of the first lumbar vertebrae. It encloses the vessels and nerves that supply the intestine.
motor root
ventral root.
nerve r's
the series of paired bundles of nerve fibers which emerge at each side of the spinal cord, termed dorsal (or posterior) or ventral (or anterior) according to their position. A series of dorsal and ventral roots join to form a spinal nerve. Certain cranial nerves, e.g. the trigeminal, also have nerve roots.
penis root
the attachment of the penis by two crura to the lateral parts of the ischial arch.
root perforation
an accidental occurrence when filing a root canal.
root planing
see dental planing.
sensory root
dorsal root.
root signature
referred pain down a limb, causing lameness or elevation of the limb, resulting from entrapment of the spinal nerve, usually by an extruded intervertebral disk.
root sheath cuticle
single layer of cornified cells of the hair follicle interdigitating with the cornified cells of the hair cuticle.
tongue root
caudal part of the tongue attached to the hyoid bone, soft palate and pharynx.
ventral root
the motor division of each spinal nerve, attached centrally to the spinal cord and joining peripherally with the dorsal root to form the nerve before it emerges from the intervertebral foramen.
References in periodicals archive ?
The myrtle oil is used for itching, hair fall, dandruff, nourishing the hair roots, and the inflammations of urinary tract.
Hair roots that are in the active growing phase (anagen) contain an abundance of nucleated cells in the root and in the surrounding sheath material.
This cell membrane complex could also contain lower amounts of FAEE already incorporated in the hair root and should be the host for the deposition of FAEE from sebum into the completed hair.
The determination of sex chromatin is easy, within minutes we can determine the sex of the person or individual while compare the sex determination from individual while compare the sex determination from other methods like, sex chromatin from polymorph leukocytes, Hair root, and skin, and amniotic fluid.
Baldness may result when hair root cells cease their activities.
The hair removal systems kills the hair root, but without using a needle, which results in less pain.
This allowed the group to use the technique on a single hair root, according to Cellmark's David Green in Germantown, Md.
KOH examination from the lesion showed septate hyphae [Figure 3] and fungal culture from the hair root grew Trichophytonrubrum.
This reaction creates heat energy, which is passed down the hair to the hair root, causing it to be damaged.
It's the removal of body hair, including the hair root, with an electrical device called an epilator which works like tweezers.
This is a gene that has been known for well over twenty years as being involved in hair production and it's a gene that sits in the sheath that's around hair root bulbs," ABC Online quoted Martin as saying.
The hair root suffers from a lack of energy due to the influence of testosterone after the menopause, which results in a thinning of the hair usually around the centre of the head," explains Dr Klenk.