Lưu ý: Bản dịch của mục này hiện đang được kiểm tra chất lượng, vì vậy một số nội dung tạm thời chỉ hiển thị bằng tiếng Anh.
Mục từ này chưa được dịch sang ngôn ngữ của bạn, vì vậy nội dung gốc được hiển thị bên dưới.
perisperm
This term describes a specialized botanical structure that serves as a primary food reserve for the seed embryo. It is distinct from the endosperm in that it originates from the nucellus rather than the primary endosperm nucleus, making it a critical distinction in plant anatomy and seed classification.
Because it is a technical biological term, it is used almost exclusively in academic, scientific, or horticultural contexts. It carries a neutral, descriptive connotation and is typically found in textbooks or research papers discussing gymnosperms or specific angiosperms.
Ý nghĩa
Ví dụ
The perisperm provides essential nutrients to the developing embryo.
Wait, is this tissue the endosperm or the perisperm?
In some species, the perisperm is the primary storage tissue in the seed.
I need to check if this seed has a prominent perisperm under the microscope.
The perisperm originates from the nucellus of the ovule.
The seed coat protects both the embryo and the surrounding perisperm.
It is fascinating how the perisperm supports early germination.
It is fascinating how the perisperm supports early germination.
The researcher noted a significant reduction in perisperm volume.
The researcher noted a significant reduction in perisperm volume.