lateral palatine processes

lateral palatine processes

a medially directed outgrowth of the embryonic maxilla; when fused with its opposite number it forms the secondary palate.

Synonym(s): lateral palatal shelf, palatal shelves

lat·er·al pal·a·tine pro·ces·ses

(latĕr-ăl pală-tīn proses)

Medially directed outgrowth of embryonic maxilla; when fused with its opposite number forms the secondary palate.
Synonym(s): palatal shelves.

lateral

1. denoting a position farther from the median plane or midline of the body or a structure; the side or outside.

2. pertaining to a side.

---

lateral aids

used by the rider to move a horse sideways; pressure by the neck rein and the thigh and calf on the same side at the same time.

lateral body folds

folds which commence at the head, then at the tail eventually meeting at the umbilicus; the folds gradually separate the embryo from the extraembryonic tissues.

lateral collateral ligament

lateral ligaments of many joints, e.g. the femorotibial articulation.

lateral decubitus

lateral recumbency.

lateral geniculate nucleus

a terminal and relay station for optical nerve fibers within the thalamus, beneath the lateral geniculate body.

lateral mesoderm

or lateral plate mesoderm; mesoderm which extends (a) around the embryonal gut and (b) inside the surface ectoderm to enclose the celom between these splanchnic and parietal layers respectively.

lateral nasal process

a process which borders the nasal pit, eventually the nostril, and which is derived from the embryo's frontonasal mesenchyme.

lateral palatine processes

processes which grow out from the maxillary processes and grow into the oronasal cavity, eventually fusing with each other and the medial palatine process and the nasal septum to form the embryo's hard palate.