Under the microscope, each tubule in the kidney's nephron appeared as a delicate, translucent channel.

Light filtered tubulously through the narrow vents, casting elongated shadows across the workshop.

The kidney biopsy revealed tubulitis, indicating inflammation of a renal tubule likely caused by immune activity.

The lab characterized tubul-associated proteins to understand their role in organizing microtubules.

The researchers observed the cells tubulating under the microscope.

Microscopic analysis revealed that the connecting tubules displayed adaptive hypertrophy in response to the increased sodium load.

Malpighian tubules play a crucial role in osmoregulation and waste excretion in many insects.

During the lab practical, the students observed how action potentials propagate along T-tubules in cardiac muscle cells.

Under the electron microscope, the transverse tubules appeared as regularly spaced invaginations along the muscle cell membrane.

T tubules rapidly transmit action potentials into the depths of the muscle fiber.