He secrets the old map inside a hollowed-out walking stick so no one finds it.

The endocrine gland secretes hormones into the bloodstream to regulate metabolism.

She secreted the letter inside the hollow book before leaving the house.

During the night, the adrenal gland secreted extra cortisol to help the body wake up.

The biopsy revealed secretional activity in the epithelial cells that explained the patient's symptoms.

The secreters in the greenhouse released a faint aroma that attracted pollinators.

The old archivist secretted the letters in a cedar chest to keep them safe.

The spy was secretting important documents in the false bottom of his suitcase.

Her secretness about the project made her colleagues suspicious.

The secreter in the study was found to secrete blood group antigens into saliva and mucus, influencing transfusion compatibility.