Theca Definition

thēkə
thecae
noun
thecae
A spore case, sac, or capsule.
Webster's New World
Any sheath or sac enclosing an organ or a whole organism, as the covering of an insect pupa.
Webster's New World

(botany) The pollen producing organ usually found in pairs and forming an anther.

Wiktionary

(marine biology) The calcareous wall of a corallite, the exoskeleton of a coral polyp.

Wiktionary
Synonyms:

Other Word Forms of Theca

Noun

Singular:
theca
Plural:
thecae, thecas

Origin of Theca

  • From New Latin, from Latin theca, from Ancient Greek θήκη (thÄ“kÄ“, “a case, box, receptacle"), from τίθημι (tithÄ“mi, “put, set, place").

    From Wiktionary

  • Latin thēca case, receptacle from Greek thēkē dhē- in Indo-European roots

    From American Heritage Dictionary of the English Language, 5th Edition

Theca Sentence Examples

  • A, A male gonophore still enclosed in its ecto theca.

  • A-D are stages common to both; from D arises the hydrotheca (E) or the gonotheca (F); th, theca; st, stomach; 1, tentacles; m, mouth; mb, medusa-buds.

  • In B the spadix of the upper bud has protruded itself through the top of the gonoat the base of the theca and the acrocyst (ac) is secreted round it.

  • When fully extended, the upper part of the zooid projects for some distance out of the calicle, and its wall is reflected for some distance over the lip of the latter, forming a fold of soft tissue extending to a greater or less distance over the theca, and containing in most cases a cavity continuous over the lip of the calicle with the coelenteron.

  • In some corals the septa are solid imperforate plates of calcite, and their peripheral ends are either firmly welded together, or are united by interstitial pieces so as to form imperforate theca.

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Words Starting With

TTHTHE

Words Ending With

ACAECA

Unscrambles

theca

Words Starting With T and Ending With A

Starts With T & Ends With AStarts With TH & Ends With AStarts With T & Ends With CA

Word Length

5 Letter Words5 Letter Words Starting With T5 Letter Words Ending With A