papillary

/pə'piləri/

Thân thiện

The scientist examines the papillary ridges on a fingerprint card.

Definition

1. Adjective:
   • Relating to, consisting of, or resembling a papilla or papillae: Pertaining to any small, nipple-like projection or structure on the surface of an organ or tissue in an animal or plant body.

Usage

• The term "papillary" is primarily used in anatomical, medical, and biological contexts to describe structures that have a small, rounded, or finger-like projection. It is a technical descriptor.
• Common Collocations: It is most frequently used with nouns like , , , , .

Examples

• Adjective:
  • The inner lining of the small intestine has a papillary surface to increase absorption.
  • A papillary thyroid carcinoma is a specific type of cancer.
  • The dermis contains papillary ridges that form fingerprints.

Advanced Usage

• "Papillary dermis": The superficial layer of the dermis, directly beneath the epidermis, characterized by its connective tissue projections (dermal papillae).
  • The papillary dermis is rich in blood capillaries.
• "Papillary muscle": Muscles located in the ventricles of the heart that attach to the atrioventricular valves via chordae tendineae.
  • The contraction of the papillary muscles prevents valve prolapse.

Variants and Related Words

• Papilla (n, plural: papillae): The small projecting structure itself.
  • Taste buds are located on the lingual papillae.
• Papillate (adj): Having papillae; covered with nipple-like projections.
• Papilloma (n): A benign tumor derived from epithelium, often with a papillary (finger-like) growth pattern.

Synonyms

• Nipple-like: Resembling a nipple in shape (less technical).
• Projecting: Extending outwards (general term).
• Villous: Having a shaggy or hairy surface with slender projections; related but not identical, often used for intestinal structures.

Antonyms

• Smooth: Having an even, regular surface without projections.
• Flat: Lying horizontally; without raised areas.

Notes on Meaning

• The meaning of "papillary" is highly specific and consistent across scientific contexts. It does not have common idiomatic or figurative uses outside of describing physical, often microscopic, anatomical features.

Học thuật

Adjective

1. of or relating to or resembling papilla

Từ đồng nghĩa

• papillose