THECA (thecae)

Pronunciation (US):

(GB):

Irregular inflected form: thecae   

 Dictionary entry overview: What does theca mean? 

• THECA (noun)
  The noun THECA has 2 senses:

1. a case or sheath especially a pollen sac or moss capsule

2. outer sheath of the pupa of certain insects

  Familiarity information: THECA used as a noun is rare.

 Dictionary entry details 

• THECA (noun)

Sense 1

Meaning:

A case or sheath especially a pollen sac or moss capsule

Classified under:

Nouns denoting plants

Synonyms:

sac; theca

Hypernyms ("theca" is a kind of...):

cover; covering; natural covering (a natural object that covers or envelops)

Sense 2

Meaning:

Outer sheath of the pupa of certain insects

Classified under:

Nouns denoting animals

Hypernyms ("theca" is a kind of...):

case; sheath (an enveloping structure or covering enclosing an animal or plant organ or part)

 Context examples 

The granulosa cells are often found in a background that contains theca and fibrous cells.

(Ovarian Granulosa Cell Tumor, NCI Thesaurus)

These tumors are characterized by the presence of granulosa cells, stromal cells, and/or theca cells.

(Ovarian Granulosa-Stromal Cell Tumor, NCI Thesaurus)

A benign neoplasm of the ovary, composed of leuteinized granulosa-theca cells.

(Ovarian Stromal Luteoma, NCI Thesaurus/CDISC)

A stromal tumor that arises from the ovary and is characterized by the presence of cells that contain lipid and resemble theca cells.

(Ovarian Thecoma, NCI Thesaurus)

Morphologically it is characterized by the presence of cysts that are lined by cells resembling granulosa and theca cells.

(Juvenile Type Testicular Granulosa Cell Tumor, NCI Thesaurus)

It is characterized by the presence of cystic spaces lined by granulosa cells and cells resembling theca cells.

(Juvenile Type Granulosa Cell Tumor, NCI Thesaurus)

Scientists had known the cellular origins of the egg and granulosa cells, but did not know where theca cells came from or what directed their development.

(Study solves ovarian cell mystery, shedding new light on reproductive disorders, NIH)

A group of neoplasms that arise from the ovary and represent a spectrum of tumors ranging from neoplasms that are composed entirely of fibroblasts to those that are composed predominantly of theca cells.

(Ovarian Tumor of the Thecoma/Fibroma Group, NCI Thesaurus)

The cells of the corpus luteum which are derived from the granulosa cells and the theca cells of the Graafian follicle.

(Lutein Cell, NLM, Medical Subject Headings)

Without theca cells, women are unable to produce the hormones that sustain follicle growth.

(Study solves ovarian cell mystery, shedding new light on reproductive disorders, NIH)