Definition of Theca

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

Exact synonyms: Sac
Generic synonyms: Cover, Covering, Natural Covering

2. Noun. Outer sheath of the pupa of certain insects.
Generic synonyms: Case, Sheath

Definition of Theca

1. n. A sheath; a case; as, the theca, or cell, of an anther; the theca, or spore case, of a fungus; the theca of the spinal cord.

Definition of Theca

1. a protective anatomical covering [n -CAE] : THECAL, THECATE [adj]

Medical Definition of Theca

1. Origin: L, fr. Gr. A case to put anything in. See Tick a cover. 1. A sheath; a case; as, the theca, or cell, of an anther; the theca, or spore case, of a fungus; the theca of the spinal cord. 2. The chitinous cup which protects the hydranths of certain hydroids. The more or less cuplike calicle of a coral. The wall forming a calicle of a coral. Source: Websters Dictionary (01 Mar 1998)

Lexicographical Neighbors of Theca

theatrics
theave
theaves
thebaic
thebaine
thebaine
thebaines
Theban
thebe
Thebes
thebesian circulation
thebesian foramina
thebesian valve
thebesian veins
theca (current term)
theca (current term)
thecae
thecal
thecal
thecal abscess
thecal whitlow
thecaphore
thecasporous
thecata
thecate
theca cells
theca cells of stomach
theca cell tumour
theca cordis
theca externa

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