The bulb region adjacent to the dermal papilla that contains rapidly proliferating matrix cells that give rise to the various cell lineages of the hair shaft and inner root sheath.
hair root sheath +
heart +
incisor region of dentition
inner cambium layer of periosteum
inner limiting layer of retina
jaw region +
lower jaw region +
midbrain +
mole
nasal tentacle
neural crest +
neural crest-derived structure +
odontode scale
parasympathetic nervous system +
parenchyma of thyroid gland
periocular mesenchyme
pharyngeal arch +
pharyngeal arch artery +
pituitary gland +
skull +
spinal cord +
stratum basale of epidermis +
stria vascularis of cochlear duct +
thyroid gland +
trunk neural crest +
tunica fibrosa of eyeball +
ultimobranchial body +
upper jaw region +
uvea +
vagus nerve +
vibrissa hair bulb +
vomerine dentition +
Synonyms
Exact Synonyms:
germinal matrix of hair bulb
;
lower part of bulb of hair follicle
;
lower zone of bulb of hair follicle