📖 Definitions of "Theca"
noun
- 1
Any external case or sheath.
- 2
The pollen-producing organ usually found in pairs and forming an anther.
- 3
The twin layers of cells surrounding the basal lamina of an ovarian follicle.
- 4
The membrane complex enveloping the cells of certain plankton including diatoms and dinoflagellates.
🔄 Synonyms of "Theca"
1 synonyms found via WordNet and Google Books.
| Word | Definition |
|---|---|
| sacnoun | A bag or pouch inside a plant or animal that typically contains a fluid. |
💡 Words with a Similar Meaning to "Theca"
Found via reverse dictionary — words that share a conceptual meaning.
| Word | Definition |
|---|---|
| sacnoun | A bag or pouch inside a plant or animal that typically contains a fluid. |
| thecaphorenoun | (botany) A surface or organ bearing a theca, or covered with thecae. |
| epithecanoun | (microbiology, planktology) The upper half of the theca of a thecate protist such as a diatom or dinoflagellate. |
| hypothecanoun | (microbiology, planktology) The lower or posterior half of the theca of a thecate protist such as a diatom or dinoflagellate |
| hydrothecanoun | (zoology) One of the calicles that protect the hydranths in certain Hydroidea (Thecaphora). |
| thecasporenoun | A spore produced in a theca. |
| sheathnoun | A holster for a sword; a scabbard. |
| ocreanoun | (botany) A sheath around a plant stem forming from the stipule of a leaf and extending above the point of insertion of the leaf. |
| exotheciumnoun | (botany) The outer layer of the anther. |
| calyptranoun | (botany) In bryophytes, a thin hood of tissue that forms from the archegonium and covers the developing sporophyte and is shed as it ripens. |
| cuticulanoun | (zoology, botany) A tough protective covering outside the epidermis of many invertebrates and plants; cuticle. |
| testanoun | (botany) A seed coat. |
| seedcasenoun | (botany) A pouch-like structure of a plant that encloses the seeds. |
| elytronnoun | A sheath or outer covering, especially around the spinal cord or over the hindwings of certain insects. |
| cuticlenoun | The strip of hardened skin at the base and sides of a fingernail or toenail. |
| bursiclenoun | (botany) A sheath that covers the viscidium in some plants. |
| epiphloeumnoun | (botany) A corky envelope or outer portion of bark, lying next beneath an epidermis. |
| odontothecanoun | (dentistry) The capsule or follicle of a tooth |
| thallomenoun | A thallus. |
| coleorhizanoun | (botany) A sheath-like structure found in a monocotyledon plant seed that acts as a protective covering enclosing the radicle. |
⚡ Words Strongly Associated with "Theca"
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🎨 Adjectives for "Theca"
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🏷️ Nouns for "Theca"
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