What does papillary mean in anatomy?
What does papillary mean in anatomy?
Definition of papillary : of, relating to, being, or resembling a papilla or nipple-shaped projection, mass, or structure : marked by the presence of papillae papillary thyroid carcinoma tumors with papillary projections.
What is the definition of the papillae?
Definition of papilla : a small projecting body part similar to a nipple in form: a : a vascular process of connective tissue extending into and nourishing the root of a hair, feather, or developing tooth — see hair illustration.
What are the parts of the skin and its function?
Skin has three layers: The epidermis, the outermost layer of skin, provides a waterproof barrier and creates our skin tone. The dermis, beneath the epidermis, contains tough connective tissue, hair follicles, and sweat glands. The deeper subcutaneous tissue (hypodermis) is made of fat and connective tissue.
What are papillary cells?
Papillary carcinomas are slow-growing, differentiated cancers that develop from follicular cells and can develop in one or both lobes of the thyroid gland. This type of cancer may spread to nearby lymph nodes in the neck, but it is generally treatable with a good prognosis (outlook for survival).
What is papillary growth pattern?
A tumor that looks like long, thin “finger-like” growths. These tumors grow from tissue that lines the inside of an organ. Papillary tumors may be benign (not cancer) or malignant (cancer). Papillary tumors occur most often in the bladder, thyroid, and breast, but they may occur in other parts of the body as well.
Where is papillae of tongue?
Lingual papillae (singular papilla) are the small, nipple-like structures on the upper surface of the tongue that give it its characteristic rough texture.
What is papillae and its types?
Papillae are the raised protrusions of the tongue surface on which taste buds of the tongue sit. The dorsal surface of the mammalian tongue is covered with four kinds of papillae, fungiform, circumvallate, foliate and filiform papilla.
Where is the papillary layer located?
The papillary layer lies subjacent to the basal layer of the epidermis and derives its name from the fact that it is thrown into papillae (ridges) that project into the epidermis.