SHH 270 Cleft Lip & Palate Flashcards

Vocabulary flashcards for SHH 270 lecture on Cleft Lip & Palate.

Cleft

The most common type of congenital craniofacial abnormality involving the body features of the skull and tissue features of the face.

Schisis

An elongated opening that occurs when parts of the mouth (lips or palate) don’t fuse as they should.

Cleft Lip

A cleft that occurs in the lip, without a cleft in the palate.

Bilateral complete cleft lip

A type of cleft lip where the cleft is present on both sides of the lip and is a complete separation.

Unilateral incomplete cleft lip

A type of cleft lip where the cleft is present on one side of the lip and is an incomplete separation.

Microform cleft

A type of incomplete cleft lip.

Cleft Palate

A cleft that occurs in the palate, with or without a lip cleft.

Complete cleft palate

A type of cleft palate that involves the hard palate, soft palate, and uvula, and affects nasal structures. Usually occurs with cleft lip.

Incomplete cleft palate

A type of cleft palate that usually involves the soft palate; at least some of the hard palate is intact. Usually no lip cleft.

Submucous cleft

A cleft in the muscular layer of the soft palate that is covered by an intact layer of mucosa. A notched uvula is a telltale sign.

causes of cleft

family history (genes), environment (e.g., lack
of vitamins, presence of smoking or alcohol), or cause is not known

embryonic phase

• occur in development of the face

• in phase 2 of development week 2 to week 8