SESSILE

Pronunciation (US):

(GB):

 Dictionary entry overview: What does sessile mean? 

• SESSILE (adjective)
  The adjective SESSILE has 2 senses:

1. permanently attached to a substrate; not free to move about

2. attached directly by the base; not having an intervening stalk

  Familiarity information: SESSILE used as an adjective is rare.

 Dictionary entry details 

• SESSILE (adjective)

Sense 1

Meaning:

Permanently attached to a substrate; not free to move about

Context example:

sessile marine animals and plants

Domain category:

biological science; biology (the science that studies living organisms)

Antonym:

vagile (having freedom to move about)

Sense 2

Meaning:

Attached directly by the base; not having an intervening stalk

Synonyms:

sessile; stalkless

Context example:

the shell of a sessile barnacle is attached directly to a substrate

Domain category:

biological science; biology (the science that studies living organisms)

Antonym:

pedunculate (having or growing on or from a peduncle or stalk)

 Context examples 

It usually presents as a small sessile polyp.

(Colorectal Perineurioma, NCI Thesaurus)

A tumor that usually presents with small nodules or small sessile polyps, predominantly in the distal esophagus.

(Esophageal Granular Cell Tumor, NCI Thesaurus)

The tumor grows on the surface of the bone; it may be pedunculated or sessile.

(Osteochondroma, NCI Thesaurus)

The group of colonic adenomas includes tubular, villous, and tubulovillous adenomas, traditional serrated adenomas, sessile serrated adenomas/polyps, and familial adenomatous polyposis.

(Colon Adenoma, NCI Thesaurus)

The ovate to linear leaves are sessile, opposite, and well-supplied with translucent glandular dots.

(Hypericum perforatum, NCI Thesaurus)

This group includes hyperplastic polyps, traditional serrated adenomas, and sessile serrated adenomas/polyps.

(Colorectal Sporadic Serrated Polyp, NCI Thesaurus)

The polyps are predominantly sessile serrated adenomas/polyps.

(Colon Serrated Polyposis, NCI Thesaurus)

The group of colorectal adenomas includes tubular, villous, and tubulovillous adenomas, traditional serrated adenomas, sessile serrated adenomas/polyps, and familial adenomatous polyposis.

(Colorectal Adenoma, NCI Thesaurus)

It is characterized by the presence of morphologic features of dysplasia (e.g., architectural and cytological epithelial alterations) or, in a minority of cases, lack of such morphologic features, as in colonic sessile serrated adenomas/polyps.

(Gastrointestinal Intraepithelial Neoplasia, NCI Thesaurus)