To block or close off, often used in the context of a passage or opening, such as in a blood…

The flat, biting surface of the back teeth (molars and premolars) that comes into contact during chewing.

The process of closing or blocking off, often used in reference to the closure of an opening or passage, such…

A woman or female animal that has given birth to eight offspring.

A type of opioid that may specifically interact with receptors in the nervous system, used for pain management.

A rare condition involving opioid-like effects in the body, particularly related to certain neuroactive compounds.

Relating to the eye or vision.

A term referring to the oculomotor nerve, which controls most of the eye’s movements and pupil constriction.

The central and most important part of a cell, containing the genetic material and controlling cell activities.

A type of marine gastropod mollusk, known for its brightly colored body and exposed gills.