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Related to thecal: Thecal cells


n. pl. the·cae (-sē′, -kē′)
A case, covering, or sheath, such as the covering of the pollen sacs of an anther or the thick cell wall of certain dinoflagellates.

[Latin thēca, case, receptacle, from Greek thēkē; see dhē- in Indo-European roots.]

the′cal (-kəl) adj.
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References in periodicals archive ?
Evolutionary trends through time have been recognized in graptolites as a whole, including the reduction of the rhabdosome (tubarium) size and number of branches and an increase in the degree of thecal complexity, e.
Tumors in this location characteristically displace and compress the spinal cord and expand the ipsilateral thecal sac.
A rapid simple technique utilizing Calcofluor white M2R for the visualization of dinoflagellate thecal plates.
Plain MRI cervical spine revealed central disc bulge at C; 2-C3 and C3~C4, right para central bulgheat C5-C6 causing thecal sac compression and central bulge at C6-C7 level.
Magnetic resonance imaging revealed encroachment into the thecal sac and compression of the spinal cord.
Regulation of androgen production in cultured human thecal cells by insulin-like growth factor I and insulin.
A MRI gadolinium-enhanced T1-weighted fat-saturated axial slice at L2/L3 level showed a lobulated avidly enhancing right paraspinal softtissue mass displacing and invading the psoas muscle and erector spinae muscle group and extended to insinuate into the spinal canal, displacing and compressing the thecal sac to the left (Fig.
A number of radiographic features identifying dural ectasia have been suggested including a dilatation of the dural sac with the diameter of the thecal sac at S1 level greater than the diameter at L4 level,[sup.
Recent POFs are amorphous and clearly show multiple infoldings of thecal and granulose cells Oocytes in the largest batch are 300-550 pm in diameter.
As in this case, most patients present with progressive low back and lower extremity radicular symptoms resulting from compression of the thecal sac or nerve roots.
MRI of the thoracolumbar spine demonstrated a dorsally located intraspinal extradural cystic lesion extending from T3 to T10 with indentation to the thecal sac but without severe compression.
The most commonly extended explanation for EVE is thecal compression due to the volume effect on consequent epidural injection of fluid (4).