Pectoral muscle and Striated muscle

Pectoral muscle noun - Either of two large muscles of the chest.

Striated muscle and pectoral muscle are semantically related. In some cases you can use "Striated muscle" instead a noun phrase "Pectoral muscle".

Striated muscle noun - A muscle that is connected at either or both ends to a bone and so move parts of the skeleton; a muscle that is characterized by transverse stripes.

Pectoral muscle and striated muscle are semantically related. Sometimes you can replace phrase "Pectoral muscle" with "Striated muscle", this phrases are similar.